8612 lines
233 KiB
C
8612 lines
233 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2011, 2019 by Delphix. All rights reserved.
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* Copyright (c) 2014 Integros [integros.com]
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* Copyright 2016 Nexenta Systems, Inc.
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* Copyright (c) 2017, 2018 Lawrence Livermore National Security, LLC.
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* Copyright (c) 2015, 2017, Intel Corporation.
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* Copyright (c) 2020 Datto Inc.
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* Copyright (c) 2020, The FreeBSD Foundation [1]
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*
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* [1] Portions of this software were developed by Allan Jude
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* under sponsorship from the FreeBSD Foundation.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <sys/zfs_context.h>
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#include <sys/spa.h>
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#include <sys/spa_impl.h>
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#include <sys/dmu.h>
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#include <sys/zap.h>
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#include <sys/fs/zfs.h>
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#include <sys/zfs_znode.h>
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#include <sys/zfs_sa.h>
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#include <sys/sa.h>
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#include <sys/sa_impl.h>
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#include <sys/vdev.h>
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#include <sys/vdev_impl.h>
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#include <sys/metaslab_impl.h>
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#include <sys/dmu_objset.h>
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#include <sys/dsl_dir.h>
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#include <sys/dsl_dataset.h>
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#include <sys/dsl_pool.h>
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#include <sys/dsl_bookmark.h>
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#include <sys/dbuf.h>
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#include <sys/zil.h>
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#include <sys/zil_impl.h>
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#include <sys/stat.h>
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#include <sys/resource.h>
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#include <sys/dmu_send.h>
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#include <sys/dmu_traverse.h>
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#include <sys/zio_checksum.h>
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#include <sys/zio_compress.h>
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#include <sys/zfs_fuid.h>
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#include <sys/arc.h>
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#include <sys/arc_impl.h>
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#include <sys/ddt.h>
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#include <sys/zfeature.h>
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#include <sys/abd.h>
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#include <sys/blkptr.h>
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#include <sys/dsl_crypt.h>
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#include <sys/dsl_scan.h>
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#include <sys/btree.h>
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#include <zfs_comutil.h>
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#include <sys/zstd/zstd.h>
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#include <libnvpair.h>
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#include <libzutil.h>
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#include "zdb.h"
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#define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
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zio_compress_table[(idx)].ci_name : "UNKNOWN")
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#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
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zio_checksum_table[(idx)].ci_name : "UNKNOWN")
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#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
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(idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA ? \
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DMU_OT_ZAP_OTHER : \
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(idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \
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DMU_OT_UINT64_OTHER : DMU_OT_NUMTYPES)
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static char *
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zdb_ot_name(dmu_object_type_t type)
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{
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if (type < DMU_OT_NUMTYPES)
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return (dmu_ot[type].ot_name);
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else if ((type & DMU_OT_NEWTYPE) &&
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((type & DMU_OT_BYTESWAP_MASK) < DMU_BSWAP_NUMFUNCS))
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return (dmu_ot_byteswap[type & DMU_OT_BYTESWAP_MASK].ob_name);
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else
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return ("UNKNOWN");
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}
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extern int reference_tracking_enable;
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extern int zfs_recover;
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extern unsigned long zfs_arc_meta_min, zfs_arc_meta_limit;
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extern int zfs_vdev_async_read_max_active;
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extern boolean_t spa_load_verify_dryrun;
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extern int zfs_reconstruct_indirect_combinations_max;
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extern int zfs_btree_verify_intensity;
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static const char cmdname[] = "zdb";
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uint8_t dump_opt[256];
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typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
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uint64_t *zopt_metaslab = NULL;
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static unsigned zopt_metaslab_args = 0;
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typedef struct zopt_object_range {
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uint64_t zor_obj_start;
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uint64_t zor_obj_end;
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uint64_t zor_flags;
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} zopt_object_range_t;
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zopt_object_range_t *zopt_object_ranges = NULL;
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static unsigned zopt_object_args = 0;
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static int flagbits[256];
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#define ZOR_FLAG_PLAIN_FILE 0x0001
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#define ZOR_FLAG_DIRECTORY 0x0002
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#define ZOR_FLAG_SPACE_MAP 0x0004
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#define ZOR_FLAG_ZAP 0x0008
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#define ZOR_FLAG_ALL_TYPES -1
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#define ZOR_SUPPORTED_FLAGS (ZOR_FLAG_PLAIN_FILE | \
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ZOR_FLAG_DIRECTORY | \
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ZOR_FLAG_SPACE_MAP | \
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ZOR_FLAG_ZAP)
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#define ZDB_FLAG_CHECKSUM 0x0001
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#define ZDB_FLAG_DECOMPRESS 0x0002
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#define ZDB_FLAG_BSWAP 0x0004
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#define ZDB_FLAG_GBH 0x0008
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#define ZDB_FLAG_INDIRECT 0x0010
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#define ZDB_FLAG_RAW 0x0020
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#define ZDB_FLAG_PRINT_BLKPTR 0x0040
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#define ZDB_FLAG_VERBOSE 0x0080
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uint64_t max_inflight_bytes = 256 * 1024 * 1024; /* 256MB */
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static int leaked_objects = 0;
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static range_tree_t *mos_refd_objs;
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static void snprintf_blkptr_compact(char *, size_t, const blkptr_t *,
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boolean_t);
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static void mos_obj_refd(uint64_t);
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static void mos_obj_refd_multiple(uint64_t);
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static int dump_bpobj_cb(void *arg, const blkptr_t *bp, boolean_t free,
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dmu_tx_t *tx);
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typedef struct sublivelist_verify {
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/* all ALLOC'd blkptr_t in one sub-livelist */
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zfs_btree_t sv_all_allocs;
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/* all FREE'd blkptr_t in one sub-livelist */
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zfs_btree_t sv_all_frees;
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/* FREE's that haven't yet matched to an ALLOC, in one sub-livelist */
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zfs_btree_t sv_pair;
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/* ALLOC's without a matching FREE, accumulates across sub-livelists */
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zfs_btree_t sv_leftover;
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} sublivelist_verify_t;
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static int
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livelist_compare(const void *larg, const void *rarg)
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{
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const blkptr_t *l = larg;
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const blkptr_t *r = rarg;
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/* Sort them according to dva[0] */
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uint64_t l_dva0_vdev, r_dva0_vdev;
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l_dva0_vdev = DVA_GET_VDEV(&l->blk_dva[0]);
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r_dva0_vdev = DVA_GET_VDEV(&r->blk_dva[0]);
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if (l_dva0_vdev < r_dva0_vdev)
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return (-1);
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else if (l_dva0_vdev > r_dva0_vdev)
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return (+1);
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/* if vdevs are equal, sort by offsets. */
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uint64_t l_dva0_offset;
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uint64_t r_dva0_offset;
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l_dva0_offset = DVA_GET_OFFSET(&l->blk_dva[0]);
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r_dva0_offset = DVA_GET_OFFSET(&r->blk_dva[0]);
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if (l_dva0_offset < r_dva0_offset) {
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return (-1);
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} else if (l_dva0_offset > r_dva0_offset) {
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return (+1);
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}
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/*
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* Since we're storing blkptrs without cancelling FREE/ALLOC pairs,
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* it's possible the offsets are equal. In that case, sort by txg
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*/
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if (l->blk_birth < r->blk_birth) {
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return (-1);
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} else if (l->blk_birth > r->blk_birth) {
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return (+1);
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}
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return (0);
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}
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typedef struct sublivelist_verify_block {
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dva_t svb_dva;
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/*
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* We need this to check if the block marked as allocated
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* in the livelist was freed (and potentially reallocated)
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* in the metaslab spacemaps at a later TXG.
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*/
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uint64_t svb_allocated_txg;
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} sublivelist_verify_block_t;
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static void zdb_print_blkptr(const blkptr_t *bp, int flags);
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static int
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sublivelist_verify_blkptr(void *arg, const blkptr_t *bp, boolean_t free,
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dmu_tx_t *tx)
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{
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ASSERT3P(tx, ==, NULL);
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struct sublivelist_verify *sv = arg;
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char blkbuf[BP_SPRINTF_LEN];
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zfs_btree_index_t where;
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if (free) {
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zfs_btree_add(&sv->sv_pair, bp);
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/* Check if the FREE is a duplicate */
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if (zfs_btree_find(&sv->sv_all_frees, bp, &where) != NULL) {
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snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp,
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free);
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(void) printf("\tERROR: Duplicate FREE: %s\n", blkbuf);
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} else {
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zfs_btree_add_idx(&sv->sv_all_frees, bp, &where);
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}
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} else {
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/* Check if the ALLOC has been freed */
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if (zfs_btree_find(&sv->sv_pair, bp, &where) != NULL) {
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zfs_btree_remove_idx(&sv->sv_pair, &where);
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} else {
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for (int i = 0; i < SPA_DVAS_PER_BP; i++) {
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if (DVA_IS_EMPTY(&bp->blk_dva[i]))
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break;
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sublivelist_verify_block_t svb = {
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.svb_dva = bp->blk_dva[i],
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.svb_allocated_txg = bp->blk_birth
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};
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if (zfs_btree_find(&sv->sv_leftover, &svb,
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&where) == NULL) {
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zfs_btree_add_idx(&sv->sv_leftover,
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&svb, &where);
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}
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}
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}
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/* Check if the ALLOC is a duplicate */
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if (zfs_btree_find(&sv->sv_all_allocs, bp, &where) != NULL) {
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snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp,
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free);
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(void) printf("\tERROR: Duplicate ALLOC: %s\n", blkbuf);
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} else {
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zfs_btree_add_idx(&sv->sv_all_allocs, bp, &where);
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}
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}
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return (0);
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}
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static int
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sublivelist_verify_func(void *args, dsl_deadlist_entry_t *dle)
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{
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int err;
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char blkbuf[BP_SPRINTF_LEN];
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struct sublivelist_verify *sv = args;
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zfs_btree_create(&sv->sv_all_allocs, livelist_compare,
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sizeof (blkptr_t));
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zfs_btree_create(&sv->sv_all_frees, livelist_compare,
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sizeof (blkptr_t));
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zfs_btree_create(&sv->sv_pair, livelist_compare,
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sizeof (blkptr_t));
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err = bpobj_iterate_nofree(&dle->dle_bpobj, sublivelist_verify_blkptr,
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sv, NULL);
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zfs_btree_clear(&sv->sv_all_allocs);
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zfs_btree_destroy(&sv->sv_all_allocs);
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zfs_btree_clear(&sv->sv_all_frees);
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zfs_btree_destroy(&sv->sv_all_frees);
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blkptr_t *e;
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zfs_btree_index_t *cookie = NULL;
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while ((e = zfs_btree_destroy_nodes(&sv->sv_pair, &cookie)) != NULL) {
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snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), e, B_TRUE);
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(void) printf("\tERROR: Unmatched FREE: %s\n", blkbuf);
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}
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zfs_btree_destroy(&sv->sv_pair);
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return (err);
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}
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static int
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livelist_block_compare(const void *larg, const void *rarg)
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{
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const sublivelist_verify_block_t *l = larg;
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const sublivelist_verify_block_t *r = rarg;
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if (DVA_GET_VDEV(&l->svb_dva) < DVA_GET_VDEV(&r->svb_dva))
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return (-1);
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else if (DVA_GET_VDEV(&l->svb_dva) > DVA_GET_VDEV(&r->svb_dva))
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return (+1);
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if (DVA_GET_OFFSET(&l->svb_dva) < DVA_GET_OFFSET(&r->svb_dva))
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return (-1);
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else if (DVA_GET_OFFSET(&l->svb_dva) > DVA_GET_OFFSET(&r->svb_dva))
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return (+1);
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if (DVA_GET_ASIZE(&l->svb_dva) < DVA_GET_ASIZE(&r->svb_dva))
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return (-1);
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else if (DVA_GET_ASIZE(&l->svb_dva) > DVA_GET_ASIZE(&r->svb_dva))
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return (+1);
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return (0);
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}
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/*
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* Check for errors in a livelist while tracking all unfreed ALLOCs in the
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* sublivelist_verify_t: sv->sv_leftover
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*/
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static void
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livelist_verify(dsl_deadlist_t *dl, void *arg)
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{
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sublivelist_verify_t *sv = arg;
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dsl_deadlist_iterate(dl, sublivelist_verify_func, sv);
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}
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/*
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* Check for errors in the livelist entry and discard the intermediary
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* data structures
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*/
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/* ARGSUSED */
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static int
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sublivelist_verify_lightweight(void *args, dsl_deadlist_entry_t *dle)
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{
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sublivelist_verify_t sv;
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zfs_btree_create(&sv.sv_leftover, livelist_block_compare,
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sizeof (sublivelist_verify_block_t));
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int err = sublivelist_verify_func(&sv, dle);
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zfs_btree_clear(&sv.sv_leftover);
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zfs_btree_destroy(&sv.sv_leftover);
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return (err);
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}
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typedef struct metaslab_verify {
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/*
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* Tree containing all the leftover ALLOCs from the livelists
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* that are part of this metaslab.
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*/
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zfs_btree_t mv_livelist_allocs;
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/*
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* Metaslab information.
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*/
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uint64_t mv_vdid;
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uint64_t mv_msid;
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uint64_t mv_start;
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uint64_t mv_end;
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/*
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* What's currently allocated for this metaslab.
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*/
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range_tree_t *mv_allocated;
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} metaslab_verify_t;
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typedef void ll_iter_t(dsl_deadlist_t *ll, void *arg);
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typedef int (*zdb_log_sm_cb_t)(spa_t *spa, space_map_entry_t *sme, uint64_t txg,
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void *arg);
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typedef struct unflushed_iter_cb_arg {
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spa_t *uic_spa;
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uint64_t uic_txg;
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void *uic_arg;
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zdb_log_sm_cb_t uic_cb;
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} unflushed_iter_cb_arg_t;
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static int
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iterate_through_spacemap_logs_cb(space_map_entry_t *sme, void *arg)
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{
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unflushed_iter_cb_arg_t *uic = arg;
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return (uic->uic_cb(uic->uic_spa, sme, uic->uic_txg, uic->uic_arg));
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}
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static void
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iterate_through_spacemap_logs(spa_t *spa, zdb_log_sm_cb_t cb, void *arg)
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{
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if (!spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP))
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return;
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spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
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for (spa_log_sm_t *sls = avl_first(&spa->spa_sm_logs_by_txg);
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sls; sls = AVL_NEXT(&spa->spa_sm_logs_by_txg, sls)) {
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space_map_t *sm = NULL;
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VERIFY0(space_map_open(&sm, spa_meta_objset(spa),
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sls->sls_sm_obj, 0, UINT64_MAX, SPA_MINBLOCKSHIFT));
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unflushed_iter_cb_arg_t uic = {
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.uic_spa = spa,
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.uic_txg = sls->sls_txg,
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.uic_arg = arg,
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.uic_cb = cb
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};
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VERIFY0(space_map_iterate(sm, space_map_length(sm),
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iterate_through_spacemap_logs_cb, &uic));
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space_map_close(sm);
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}
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spa_config_exit(spa, SCL_CONFIG, FTAG);
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}
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static void
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verify_livelist_allocs(metaslab_verify_t *mv, uint64_t txg,
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uint64_t offset, uint64_t size)
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{
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sublivelist_verify_block_t svb;
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DVA_SET_VDEV(&svb.svb_dva, mv->mv_vdid);
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DVA_SET_OFFSET(&svb.svb_dva, offset);
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DVA_SET_ASIZE(&svb.svb_dva, size);
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zfs_btree_index_t where;
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uint64_t end_offset = offset + size;
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/*
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* Look for an exact match for spacemap entry in the livelist entries.
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* Then, look for other livelist entries that fall within the range
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* of the spacemap entry as it may have been condensed
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*/
|
|
sublivelist_verify_block_t *found =
|
|
zfs_btree_find(&mv->mv_livelist_allocs, &svb, &where);
|
|
if (found == NULL) {
|
|
found = zfs_btree_next(&mv->mv_livelist_allocs, &where, &where);
|
|
}
|
|
for (; found != NULL && DVA_GET_VDEV(&found->svb_dva) == mv->mv_vdid &&
|
|
DVA_GET_OFFSET(&found->svb_dva) < end_offset;
|
|
found = zfs_btree_next(&mv->mv_livelist_allocs, &where, &where)) {
|
|
if (found->svb_allocated_txg <= txg) {
|
|
(void) printf("ERROR: Livelist ALLOC [%llx:%llx] "
|
|
"from TXG %llx FREED at TXG %llx\n",
|
|
(u_longlong_t)DVA_GET_OFFSET(&found->svb_dva),
|
|
(u_longlong_t)DVA_GET_ASIZE(&found->svb_dva),
|
|
(u_longlong_t)found->svb_allocated_txg,
|
|
(u_longlong_t)txg);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
metaslab_spacemap_validation_cb(space_map_entry_t *sme, void *arg)
|
|
{
|
|
metaslab_verify_t *mv = arg;
|
|
uint64_t offset = sme->sme_offset;
|
|
uint64_t size = sme->sme_run;
|
|
uint64_t txg = sme->sme_txg;
|
|
|
|
if (sme->sme_type == SM_ALLOC) {
|
|
if (range_tree_contains(mv->mv_allocated,
|
|
offset, size)) {
|
|
(void) printf("ERROR: DOUBLE ALLOC: "
|
|
"%llu [%llx:%llx] "
|
|
"%llu:%llu LOG_SM\n",
|
|
(u_longlong_t)txg, (u_longlong_t)offset,
|
|
(u_longlong_t)size, (u_longlong_t)mv->mv_vdid,
|
|
(u_longlong_t)mv->mv_msid);
|
|
} else {
|
|
range_tree_add(mv->mv_allocated,
|
|
offset, size);
|
|
}
|
|
} else {
|
|
if (!range_tree_contains(mv->mv_allocated,
|
|
offset, size)) {
|
|
(void) printf("ERROR: DOUBLE FREE: "
|
|
"%llu [%llx:%llx] "
|
|
"%llu:%llu LOG_SM\n",
|
|
(u_longlong_t)txg, (u_longlong_t)offset,
|
|
(u_longlong_t)size, (u_longlong_t)mv->mv_vdid,
|
|
(u_longlong_t)mv->mv_msid);
|
|
} else {
|
|
range_tree_remove(mv->mv_allocated,
|
|
offset, size);
|
|
}
|
|
}
|
|
|
|
if (sme->sme_type != SM_ALLOC) {
|
|
/*
|
|
* If something is freed in the spacemap, verify that
|
|
* it is not listed as allocated in the livelist.
|
|
*/
|
|
verify_livelist_allocs(mv, txg, offset, size);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
spacemap_check_sm_log_cb(spa_t *spa, space_map_entry_t *sme,
|
|
uint64_t txg, void *arg)
|
|
{
|
|
metaslab_verify_t *mv = arg;
|
|
uint64_t offset = sme->sme_offset;
|
|
uint64_t vdev_id = sme->sme_vdev;
|
|
|
|
vdev_t *vd = vdev_lookup_top(spa, vdev_id);
|
|
|
|
/* skip indirect vdevs */
|
|
if (!vdev_is_concrete(vd))
|
|
return (0);
|
|
|
|
if (vdev_id != mv->mv_vdid)
|
|
return (0);
|
|
|
|
metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
|
|
if (ms->ms_id != mv->mv_msid)
|
|
return (0);
|
|
|
|
if (txg < metaslab_unflushed_txg(ms))
|
|
return (0);
|
|
|
|
|
|
ASSERT3U(txg, ==, sme->sme_txg);
|
|
return (metaslab_spacemap_validation_cb(sme, mv));
|
|
}
|
|
|
|
static void
|
|
spacemap_check_sm_log(spa_t *spa, metaslab_verify_t *mv)
|
|
{
|
|
iterate_through_spacemap_logs(spa, spacemap_check_sm_log_cb, mv);
|
|
}
|
|
|
|
static void
|
|
spacemap_check_ms_sm(space_map_t *sm, metaslab_verify_t *mv)
|
|
{
|
|
if (sm == NULL)
|
|
return;
|
|
|
|
VERIFY0(space_map_iterate(sm, space_map_length(sm),
|
|
metaslab_spacemap_validation_cb, mv));
|
|
}
|
|
|
|
static void iterate_deleted_livelists(spa_t *spa, ll_iter_t func, void *arg);
|
|
|
|
/*
|
|
* Transfer blocks from sv_leftover tree to the mv_livelist_allocs if
|
|
* they are part of that metaslab (mv_msid).
|
|
*/
|
|
static void
|
|
mv_populate_livelist_allocs(metaslab_verify_t *mv, sublivelist_verify_t *sv)
|
|
{
|
|
zfs_btree_index_t where;
|
|
sublivelist_verify_block_t *svb;
|
|
ASSERT3U(zfs_btree_numnodes(&mv->mv_livelist_allocs), ==, 0);
|
|
for (svb = zfs_btree_first(&sv->sv_leftover, &where);
|
|
svb != NULL;
|
|
svb = zfs_btree_next(&sv->sv_leftover, &where, &where)) {
|
|
if (DVA_GET_VDEV(&svb->svb_dva) != mv->mv_vdid)
|
|
continue;
|
|
|
|
if (DVA_GET_OFFSET(&svb->svb_dva) < mv->mv_start &&
|
|
(DVA_GET_OFFSET(&svb->svb_dva) +
|
|
DVA_GET_ASIZE(&svb->svb_dva)) > mv->mv_start) {
|
|
(void) printf("ERROR: Found block that crosses "
|
|
"metaslab boundary: <%llu:%llx:%llx>\n",
|
|
(u_longlong_t)DVA_GET_VDEV(&svb->svb_dva),
|
|
(u_longlong_t)DVA_GET_OFFSET(&svb->svb_dva),
|
|
(u_longlong_t)DVA_GET_ASIZE(&svb->svb_dva));
|
|
continue;
|
|
}
|
|
|
|
if (DVA_GET_OFFSET(&svb->svb_dva) < mv->mv_start)
|
|
continue;
|
|
|
|
if (DVA_GET_OFFSET(&svb->svb_dva) >= mv->mv_end)
|
|
continue;
|
|
|
|
if ((DVA_GET_OFFSET(&svb->svb_dva) +
|
|
DVA_GET_ASIZE(&svb->svb_dva)) > mv->mv_end) {
|
|
(void) printf("ERROR: Found block that crosses "
|
|
"metaslab boundary: <%llu:%llx:%llx>\n",
|
|
(u_longlong_t)DVA_GET_VDEV(&svb->svb_dva),
|
|
(u_longlong_t)DVA_GET_OFFSET(&svb->svb_dva),
|
|
(u_longlong_t)DVA_GET_ASIZE(&svb->svb_dva));
|
|
continue;
|
|
}
|
|
|
|
zfs_btree_add(&mv->mv_livelist_allocs, svb);
|
|
}
|
|
|
|
for (svb = zfs_btree_first(&mv->mv_livelist_allocs, &where);
|
|
svb != NULL;
|
|
svb = zfs_btree_next(&mv->mv_livelist_allocs, &where, &where)) {
|
|
zfs_btree_remove(&sv->sv_leftover, svb);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* [Livelist Check]
|
|
* Iterate through all the sublivelists and:
|
|
* - report leftover frees
|
|
* - report double ALLOCs/FREEs
|
|
* - record leftover ALLOCs together with their TXG [see Cross Check]
|
|
*
|
|
* [Spacemap Check]
|
|
* for each metaslab:
|
|
* - iterate over spacemap and then the metaslab's entries in the
|
|
* spacemap log, then report any double FREEs and ALLOCs (do not
|
|
* blow up).
|
|
*
|
|
* [Cross Check]
|
|
* After finishing the Livelist Check phase and while being in the
|
|
* Spacemap Check phase, we find all the recorded leftover ALLOCs
|
|
* of the livelist check that are part of the metaslab that we are
|
|
* currently looking at in the Spacemap Check. We report any entries
|
|
* that are marked as ALLOCs in the livelists but have been actually
|
|
* freed (and potentially allocated again) after their TXG stamp in
|
|
* the spacemaps. Also report any ALLOCs from the livelists that
|
|
* belong to indirect vdevs (e.g. their vdev completed removal).
|
|
*
|
|
* Note that this will miss Log Spacemap entries that cancelled each other
|
|
* out before being flushed to the metaslab, so we are not guaranteed
|
|
* to match all erroneous ALLOCs.
|
|
*/
|
|
static void
|
|
livelist_metaslab_validate(spa_t *spa)
|
|
{
|
|
(void) printf("Verifying deleted livelist entries\n");
|
|
|
|
sublivelist_verify_t sv;
|
|
zfs_btree_create(&sv.sv_leftover, livelist_block_compare,
|
|
sizeof (sublivelist_verify_block_t));
|
|
iterate_deleted_livelists(spa, livelist_verify, &sv);
|
|
|
|
(void) printf("Verifying metaslab entries\n");
|
|
vdev_t *rvd = spa->spa_root_vdev;
|
|
for (uint64_t c = 0; c < rvd->vdev_children; c++) {
|
|
vdev_t *vd = rvd->vdev_child[c];
|
|
|
|
if (!vdev_is_concrete(vd))
|
|
continue;
|
|
|
|
for (uint64_t mid = 0; mid < vd->vdev_ms_count; mid++) {
|
|
metaslab_t *m = vd->vdev_ms[mid];
|
|
|
|
(void) fprintf(stderr,
|
|
"\rverifying concrete vdev %llu, "
|
|
"metaslab %llu of %llu ...",
|
|
(longlong_t)vd->vdev_id,
|
|
(longlong_t)mid,
|
|
(longlong_t)vd->vdev_ms_count);
|
|
|
|
uint64_t shift, start;
|
|
range_seg_type_t type =
|
|
metaslab_calculate_range_tree_type(vd, m,
|
|
&start, &shift);
|
|
metaslab_verify_t mv;
|
|
mv.mv_allocated = range_tree_create(NULL,
|
|
type, NULL, start, shift);
|
|
mv.mv_vdid = vd->vdev_id;
|
|
mv.mv_msid = m->ms_id;
|
|
mv.mv_start = m->ms_start;
|
|
mv.mv_end = m->ms_start + m->ms_size;
|
|
zfs_btree_create(&mv.mv_livelist_allocs,
|
|
livelist_block_compare,
|
|
sizeof (sublivelist_verify_block_t));
|
|
|
|
mv_populate_livelist_allocs(&mv, &sv);
|
|
|
|
spacemap_check_ms_sm(m->ms_sm, &mv);
|
|
spacemap_check_sm_log(spa, &mv);
|
|
|
|
range_tree_vacate(mv.mv_allocated, NULL, NULL);
|
|
range_tree_destroy(mv.mv_allocated);
|
|
zfs_btree_clear(&mv.mv_livelist_allocs);
|
|
zfs_btree_destroy(&mv.mv_livelist_allocs);
|
|
}
|
|
}
|
|
(void) fprintf(stderr, "\n");
|
|
|
|
/*
|
|
* If there are any segments in the leftover tree after we walked
|
|
* through all the metaslabs in the concrete vdevs then this means
|
|
* that we have segments in the livelists that belong to indirect
|
|
* vdevs and are marked as allocated.
|
|
*/
|
|
if (zfs_btree_numnodes(&sv.sv_leftover) == 0) {
|
|
zfs_btree_destroy(&sv.sv_leftover);
|
|
return;
|
|
}
|
|
(void) printf("ERROR: Found livelist blocks marked as allocated "
|
|
"for indirect vdevs:\n");
|
|
|
|
zfs_btree_index_t *where = NULL;
|
|
sublivelist_verify_block_t *svb;
|
|
while ((svb = zfs_btree_destroy_nodes(&sv.sv_leftover, &where)) !=
|
|
NULL) {
|
|
int vdev_id = DVA_GET_VDEV(&svb->svb_dva);
|
|
ASSERT3U(vdev_id, <, rvd->vdev_children);
|
|
vdev_t *vd = rvd->vdev_child[vdev_id];
|
|
ASSERT(!vdev_is_concrete(vd));
|
|
(void) printf("<%d:%llx:%llx> TXG %llx\n",
|
|
vdev_id, (u_longlong_t)DVA_GET_OFFSET(&svb->svb_dva),
|
|
(u_longlong_t)DVA_GET_ASIZE(&svb->svb_dva),
|
|
(u_longlong_t)svb->svb_allocated_txg);
|
|
}
|
|
(void) printf("\n");
|
|
zfs_btree_destroy(&sv.sv_leftover);
|
|
}
|
|
|
|
/*
|
|
* These libumem hooks provide a reasonable set of defaults for the allocator's
|
|
* debugging facilities.
|
|
*/
|
|
const char *
|
|
_umem_debug_init(void)
|
|
{
|
|
return ("default,verbose"); /* $UMEM_DEBUG setting */
|
|
}
|
|
|
|
const char *
|
|
_umem_logging_init(void)
|
|
{
|
|
return ("fail,contents"); /* $UMEM_LOGGING setting */
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
(void) fprintf(stderr,
|
|
"Usage:\t%s [-AbcdDFGhikLMPsvXy] [-e [-V] [-p <path> ...]] "
|
|
"[-I <inflight I/Os>]\n"
|
|
"\t\t[-o <var>=<value>]... [-t <txg>] [-U <cache>] [-x <dumpdir>]\n"
|
|
"\t\t[<poolname>[/<dataset | objset id>] [<object | range> ...]]\n"
|
|
"\t%s [-AdiPv] [-e [-V] [-p <path> ...]] [-U <cache>]\n"
|
|
"\t\t[<poolname>[/<dataset | objset id>] [<object | range> ...]\n"
|
|
"\t%s [-v] <bookmark>\n"
|
|
"\t%s -C [-A] [-U <cache>]\n"
|
|
"\t%s -l [-Aqu] <device>\n"
|
|
"\t%s -m [-AFLPX] [-e [-V] [-p <path> ...]] [-t <txg>] "
|
|
"[-U <cache>]\n\t\t<poolname> [<vdev> [<metaslab> ...]]\n"
|
|
"\t%s -O <dataset> <path>\n"
|
|
"\t%s -R [-A] [-e [-V] [-p <path> ...]] [-U <cache>]\n"
|
|
"\t\t<poolname> <vdev>:<offset>:<size>[:<flags>]\n"
|
|
"\t%s -E [-A] word0:word1:...:word15\n"
|
|
"\t%s -S [-AP] [-e [-V] [-p <path> ...]] [-U <cache>] "
|
|
"<poolname>\n\n",
|
|
cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname,
|
|
cmdname, cmdname, cmdname);
|
|
|
|
(void) fprintf(stderr, " Dataset name must include at least one "
|
|
"separator character '/' or '@'\n");
|
|
(void) fprintf(stderr, " If dataset name is specified, only that "
|
|
"dataset is dumped\n");
|
|
(void) fprintf(stderr, " If object numbers or object number "
|
|
"ranges are specified, only those\n"
|
|
" objects or ranges are dumped.\n\n");
|
|
(void) fprintf(stderr,
|
|
" Object ranges take the form <start>:<end>[:<flags>]\n"
|
|
" start Starting object number\n"
|
|
" end Ending object number, or -1 for no upper bound\n"
|
|
" flags Optional flags to select object types:\n"
|
|
" A All objects (this is the default)\n"
|
|
" d ZFS directories\n"
|
|
" f ZFS files \n"
|
|
" m SPA space maps\n"
|
|
" z ZAPs\n"
|
|
" - Negate effect of next flag\n\n");
|
|
(void) fprintf(stderr, " Options to control amount of output:\n");
|
|
(void) fprintf(stderr, " -b block statistics\n");
|
|
(void) fprintf(stderr, " -c checksum all metadata (twice for "
|
|
"all data) blocks\n");
|
|
(void) fprintf(stderr, " -C config (or cachefile if alone)\n");
|
|
(void) fprintf(stderr, " -d dataset(s)\n");
|
|
(void) fprintf(stderr, " -D dedup statistics\n");
|
|
(void) fprintf(stderr, " -E decode and display block from an "
|
|
"embedded block pointer\n");
|
|
(void) fprintf(stderr, " -h pool history\n");
|
|
(void) fprintf(stderr, " -i intent logs\n");
|
|
(void) fprintf(stderr, " -l read label contents\n");
|
|
(void) fprintf(stderr, " -k examine the checkpointed state "
|
|
"of the pool\n");
|
|
(void) fprintf(stderr, " -L disable leak tracking (do not "
|
|
"load spacemaps)\n");
|
|
(void) fprintf(stderr, " -m metaslabs\n");
|
|
(void) fprintf(stderr, " -M metaslab groups\n");
|
|
(void) fprintf(stderr, " -O perform object lookups by path\n");
|
|
(void) fprintf(stderr, " -R read and display block from a "
|
|
"device\n");
|
|
(void) fprintf(stderr, " -s report stats on zdb's I/O\n");
|
|
(void) fprintf(stderr, " -S simulate dedup to measure effect\n");
|
|
(void) fprintf(stderr, " -v verbose (applies to all "
|
|
"others)\n");
|
|
(void) fprintf(stderr, " -y perform livelist and metaslab "
|
|
"validation on any livelists being deleted\n\n");
|
|
(void) fprintf(stderr, " Below options are intended for use "
|
|
"with other options:\n");
|
|
(void) fprintf(stderr, " -A ignore assertions (-A), enable "
|
|
"panic recovery (-AA) or both (-AAA)\n");
|
|
(void) fprintf(stderr, " -e pool is exported/destroyed/"
|
|
"has altroot/not in a cachefile\n");
|
|
(void) fprintf(stderr, " -F attempt automatic rewind within "
|
|
"safe range of transaction groups\n");
|
|
(void) fprintf(stderr, " -G dump zfs_dbgmsg buffer before "
|
|
"exiting\n");
|
|
(void) fprintf(stderr, " -I <number of inflight I/Os> -- "
|
|
"specify the maximum number of\n "
|
|
"checksumming I/Os [default is 200]\n");
|
|
(void) fprintf(stderr, " -o <variable>=<value> set global "
|
|
"variable to an unsigned 32-bit integer\n");
|
|
(void) fprintf(stderr, " -p <path> -- use one or more with "
|
|
"-e to specify path to vdev dir\n");
|
|
(void) fprintf(stderr, " -P print numbers in parseable form\n");
|
|
(void) fprintf(stderr, " -q don't print label contents\n");
|
|
(void) fprintf(stderr, " -t <txg> -- highest txg to use when "
|
|
"searching for uberblocks\n");
|
|
(void) fprintf(stderr, " -u uberblock\n");
|
|
(void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
|
|
"cachefile\n");
|
|
(void) fprintf(stderr, " -V do verbatim import\n");
|
|
(void) fprintf(stderr, " -x <dumpdir> -- "
|
|
"dump all read blocks into specified directory\n");
|
|
(void) fprintf(stderr, " -X attempt extreme rewind (does not "
|
|
"work with dataset)\n");
|
|
(void) fprintf(stderr, " -Y attempt all reconstruction "
|
|
"combinations for split blocks\n");
|
|
(void) fprintf(stderr, " -Z show ZSTD headers \n");
|
|
(void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
|
|
"to make only that option verbose\n");
|
|
(void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
dump_debug_buffer(void)
|
|
{
|
|
if (dump_opt['G']) {
|
|
(void) printf("\n");
|
|
(void) fflush(stdout);
|
|
zfs_dbgmsg_print("zdb");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Called for usage errors that are discovered after a call to spa_open(),
|
|
* dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
|
|
*/
|
|
|
|
static void
|
|
fatal(const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
(void) fprintf(stderr, "%s: ", cmdname);
|
|
(void) vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
(void) fprintf(stderr, "\n");
|
|
|
|
dump_debug_buffer();
|
|
|
|
exit(1);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
nvlist_t *nv;
|
|
size_t nvsize = *(uint64_t *)data;
|
|
char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
|
|
|
|
VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
|
|
|
|
VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
|
|
|
|
umem_free(packed, nvsize);
|
|
|
|
dump_nvlist(nv, 8);
|
|
|
|
nvlist_free(nv);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
spa_history_phys_t *shp = data;
|
|
|
|
if (shp == NULL)
|
|
return;
|
|
|
|
(void) printf("\t\tpool_create_len = %llu\n",
|
|
(u_longlong_t)shp->sh_pool_create_len);
|
|
(void) printf("\t\tphys_max_off = %llu\n",
|
|
(u_longlong_t)shp->sh_phys_max_off);
|
|
(void) printf("\t\tbof = %llu\n",
|
|
(u_longlong_t)shp->sh_bof);
|
|
(void) printf("\t\teof = %llu\n",
|
|
(u_longlong_t)shp->sh_eof);
|
|
(void) printf("\t\trecords_lost = %llu\n",
|
|
(u_longlong_t)shp->sh_records_lost);
|
|
}
|
|
|
|
static void
|
|
zdb_nicenum(uint64_t num, char *buf, size_t buflen)
|
|
{
|
|
if (dump_opt['P'])
|
|
(void) snprintf(buf, buflen, "%llu", (longlong_t)num);
|
|
else
|
|
nicenum(num, buf, sizeof (buf));
|
|
}
|
|
|
|
static const char histo_stars[] = "****************************************";
|
|
static const uint64_t histo_width = sizeof (histo_stars) - 1;
|
|
|
|
static void
|
|
dump_histogram(const uint64_t *histo, int size, int offset)
|
|
{
|
|
int i;
|
|
int minidx = size - 1;
|
|
int maxidx = 0;
|
|
uint64_t max = 0;
|
|
|
|
for (i = 0; i < size; i++) {
|
|
if (histo[i] > max)
|
|
max = histo[i];
|
|
if (histo[i] > 0 && i > maxidx)
|
|
maxidx = i;
|
|
if (histo[i] > 0 && i < minidx)
|
|
minidx = i;
|
|
}
|
|
|
|
if (max < histo_width)
|
|
max = histo_width;
|
|
|
|
for (i = minidx; i <= maxidx; i++) {
|
|
(void) printf("\t\t\t%3u: %6llu %s\n",
|
|
i + offset, (u_longlong_t)histo[i],
|
|
&histo_stars[(max - histo[i]) * histo_width / max]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dump_zap_stats(objset_t *os, uint64_t object)
|
|
{
|
|
int error;
|
|
zap_stats_t zs;
|
|
|
|
error = zap_get_stats(os, object, &zs);
|
|
if (error)
|
|
return;
|
|
|
|
if (zs.zs_ptrtbl_len == 0) {
|
|
ASSERT(zs.zs_num_blocks == 1);
|
|
(void) printf("\tmicrozap: %llu bytes, %llu entries\n",
|
|
(u_longlong_t)zs.zs_blocksize,
|
|
(u_longlong_t)zs.zs_num_entries);
|
|
return;
|
|
}
|
|
|
|
(void) printf("\tFat ZAP stats:\n");
|
|
|
|
(void) printf("\t\tPointer table:\n");
|
|
(void) printf("\t\t\t%llu elements\n",
|
|
(u_longlong_t)zs.zs_ptrtbl_len);
|
|
(void) printf("\t\t\tzt_blk: %llu\n",
|
|
(u_longlong_t)zs.zs_ptrtbl_zt_blk);
|
|
(void) printf("\t\t\tzt_numblks: %llu\n",
|
|
(u_longlong_t)zs.zs_ptrtbl_zt_numblks);
|
|
(void) printf("\t\t\tzt_shift: %llu\n",
|
|
(u_longlong_t)zs.zs_ptrtbl_zt_shift);
|
|
(void) printf("\t\t\tzt_blks_copied: %llu\n",
|
|
(u_longlong_t)zs.zs_ptrtbl_blks_copied);
|
|
(void) printf("\t\t\tzt_nextblk: %llu\n",
|
|
(u_longlong_t)zs.zs_ptrtbl_nextblk);
|
|
|
|
(void) printf("\t\tZAP entries: %llu\n",
|
|
(u_longlong_t)zs.zs_num_entries);
|
|
(void) printf("\t\tLeaf blocks: %llu\n",
|
|
(u_longlong_t)zs.zs_num_leafs);
|
|
(void) printf("\t\tTotal blocks: %llu\n",
|
|
(u_longlong_t)zs.zs_num_blocks);
|
|
(void) printf("\t\tzap_block_type: 0x%llx\n",
|
|
(u_longlong_t)zs.zs_block_type);
|
|
(void) printf("\t\tzap_magic: 0x%llx\n",
|
|
(u_longlong_t)zs.zs_magic);
|
|
(void) printf("\t\tzap_salt: 0x%llx\n",
|
|
(u_longlong_t)zs.zs_salt);
|
|
|
|
(void) printf("\t\tLeafs with 2^n pointers:\n");
|
|
dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0);
|
|
|
|
(void) printf("\t\tBlocks with n*5 entries:\n");
|
|
dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0);
|
|
|
|
(void) printf("\t\tBlocks n/10 full:\n");
|
|
dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0);
|
|
|
|
(void) printf("\t\tEntries with n chunks:\n");
|
|
dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0);
|
|
|
|
(void) printf("\t\tBuckets with n entries:\n");
|
|
dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_none(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
(void) printf("\tUNKNOWN OBJECT TYPE\n");
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
uint64_t *arr;
|
|
uint64_t oursize;
|
|
if (dump_opt['d'] < 6)
|
|
return;
|
|
|
|
if (data == NULL) {
|
|
dmu_object_info_t doi;
|
|
|
|
VERIFY0(dmu_object_info(os, object, &doi));
|
|
size = doi.doi_max_offset;
|
|
/*
|
|
* We cap the size at 1 mebibyte here to prevent
|
|
* allocation failures and nigh-infinite printing if the
|
|
* object is extremely large.
|
|
*/
|
|
oursize = MIN(size, 1 << 20);
|
|
arr = kmem_alloc(oursize, KM_SLEEP);
|
|
|
|
int err = dmu_read(os, object, 0, oursize, arr, 0);
|
|
if (err != 0) {
|
|
(void) printf("got error %u from dmu_read\n", err);
|
|
kmem_free(arr, oursize);
|
|
return;
|
|
}
|
|
} else {
|
|
/*
|
|
* Even though the allocation is already done in this code path,
|
|
* we still cap the size to prevent excessive printing.
|
|
*/
|
|
oursize = MIN(size, 1 << 20);
|
|
arr = data;
|
|
}
|
|
|
|
if (size == 0) {
|
|
(void) printf("\t\t[]\n");
|
|
return;
|
|
}
|
|
|
|
(void) printf("\t\t[%0llx", (u_longlong_t)arr[0]);
|
|
for (size_t i = 1; i * sizeof (uint64_t) < oursize; i++) {
|
|
if (i % 4 != 0)
|
|
(void) printf(", %0llx", (u_longlong_t)arr[i]);
|
|
else
|
|
(void) printf(",\n\t\t%0llx", (u_longlong_t)arr[i]);
|
|
}
|
|
if (oursize != size)
|
|
(void) printf(", ... ");
|
|
(void) printf("]\n");
|
|
|
|
if (data == NULL)
|
|
kmem_free(arr, oursize);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
zap_cursor_t zc;
|
|
zap_attribute_t attr;
|
|
void *prop;
|
|
unsigned i;
|
|
|
|
dump_zap_stats(os, object);
|
|
(void) printf("\n");
|
|
|
|
for (zap_cursor_init(&zc, os, object);
|
|
zap_cursor_retrieve(&zc, &attr) == 0;
|
|
zap_cursor_advance(&zc)) {
|
|
(void) printf("\t\t%s = ", attr.za_name);
|
|
if (attr.za_num_integers == 0) {
|
|
(void) printf("\n");
|
|
continue;
|
|
}
|
|
prop = umem_zalloc(attr.za_num_integers *
|
|
attr.za_integer_length, UMEM_NOFAIL);
|
|
(void) zap_lookup(os, object, attr.za_name,
|
|
attr.za_integer_length, attr.za_num_integers, prop);
|
|
if (attr.za_integer_length == 1) {
|
|
if (strcmp(attr.za_name,
|
|
DSL_CRYPTO_KEY_MASTER_KEY) == 0 ||
|
|
strcmp(attr.za_name,
|
|
DSL_CRYPTO_KEY_HMAC_KEY) == 0 ||
|
|
strcmp(attr.za_name, DSL_CRYPTO_KEY_IV) == 0 ||
|
|
strcmp(attr.za_name, DSL_CRYPTO_KEY_MAC) == 0 ||
|
|
strcmp(attr.za_name, DMU_POOL_CHECKSUM_SALT) == 0) {
|
|
uint8_t *u8 = prop;
|
|
|
|
for (i = 0; i < attr.za_num_integers; i++) {
|
|
(void) printf("%02x", u8[i]);
|
|
}
|
|
} else {
|
|
(void) printf("%s", (char *)prop);
|
|
}
|
|
} else {
|
|
for (i = 0; i < attr.za_num_integers; i++) {
|
|
switch (attr.za_integer_length) {
|
|
case 2:
|
|
(void) printf("%u ",
|
|
((uint16_t *)prop)[i]);
|
|
break;
|
|
case 4:
|
|
(void) printf("%u ",
|
|
((uint32_t *)prop)[i]);
|
|
break;
|
|
case 8:
|
|
(void) printf("%lld ",
|
|
(u_longlong_t)((int64_t *)prop)[i]);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
(void) printf("\n");
|
|
umem_free(prop, attr.za_num_integers * attr.za_integer_length);
|
|
}
|
|
zap_cursor_fini(&zc);
|
|
}
|
|
|
|
static void
|
|
dump_bpobj(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
bpobj_phys_t *bpop = data;
|
|
uint64_t i;
|
|
char bytes[32], comp[32], uncomp[32];
|
|
|
|
/* make sure the output won't get truncated */
|
|
CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
|
|
|
|
if (bpop == NULL)
|
|
return;
|
|
|
|
zdb_nicenum(bpop->bpo_bytes, bytes, sizeof (bytes));
|
|
zdb_nicenum(bpop->bpo_comp, comp, sizeof (comp));
|
|
zdb_nicenum(bpop->bpo_uncomp, uncomp, sizeof (uncomp));
|
|
|
|
(void) printf("\t\tnum_blkptrs = %llu\n",
|
|
(u_longlong_t)bpop->bpo_num_blkptrs);
|
|
(void) printf("\t\tbytes = %s\n", bytes);
|
|
if (size >= BPOBJ_SIZE_V1) {
|
|
(void) printf("\t\tcomp = %s\n", comp);
|
|
(void) printf("\t\tuncomp = %s\n", uncomp);
|
|
}
|
|
if (size >= BPOBJ_SIZE_V2) {
|
|
(void) printf("\t\tsubobjs = %llu\n",
|
|
(u_longlong_t)bpop->bpo_subobjs);
|
|
(void) printf("\t\tnum_subobjs = %llu\n",
|
|
(u_longlong_t)bpop->bpo_num_subobjs);
|
|
}
|
|
if (size >= sizeof (*bpop)) {
|
|
(void) printf("\t\tnum_freed = %llu\n",
|
|
(u_longlong_t)bpop->bpo_num_freed);
|
|
}
|
|
|
|
if (dump_opt['d'] < 5)
|
|
return;
|
|
|
|
for (i = 0; i < bpop->bpo_num_blkptrs; i++) {
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
blkptr_t bp;
|
|
|
|
int err = dmu_read(os, object,
|
|
i * sizeof (bp), sizeof (bp), &bp, 0);
|
|
if (err != 0) {
|
|
(void) printf("got error %u from dmu_read\n", err);
|
|
break;
|
|
}
|
|
snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), &bp,
|
|
BP_GET_FREE(&bp));
|
|
(void) printf("\t%s\n", blkbuf);
|
|
}
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
dump_bpobj_subobjs(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
dmu_object_info_t doi;
|
|
int64_t i;
|
|
|
|
VERIFY0(dmu_object_info(os, object, &doi));
|
|
uint64_t *subobjs = kmem_alloc(doi.doi_max_offset, KM_SLEEP);
|
|
|
|
int err = dmu_read(os, object, 0, doi.doi_max_offset, subobjs, 0);
|
|
if (err != 0) {
|
|
(void) printf("got error %u from dmu_read\n", err);
|
|
kmem_free(subobjs, doi.doi_max_offset);
|
|
return;
|
|
}
|
|
|
|
int64_t last_nonzero = -1;
|
|
for (i = 0; i < doi.doi_max_offset / 8; i++) {
|
|
if (subobjs[i] != 0)
|
|
last_nonzero = i;
|
|
}
|
|
|
|
for (i = 0; i <= last_nonzero; i++) {
|
|
(void) printf("\t%llu\n", (u_longlong_t)subobjs[i]);
|
|
}
|
|
kmem_free(subobjs, doi.doi_max_offset);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
dump_zap_stats(os, object);
|
|
/* contents are printed elsewhere, properly decoded */
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
zap_cursor_t zc;
|
|
zap_attribute_t attr;
|
|
|
|
dump_zap_stats(os, object);
|
|
(void) printf("\n");
|
|
|
|
for (zap_cursor_init(&zc, os, object);
|
|
zap_cursor_retrieve(&zc, &attr) == 0;
|
|
zap_cursor_advance(&zc)) {
|
|
(void) printf("\t\t%s = ", attr.za_name);
|
|
if (attr.za_num_integers == 0) {
|
|
(void) printf("\n");
|
|
continue;
|
|
}
|
|
(void) printf(" %llx : [%d:%d:%d]\n",
|
|
(u_longlong_t)attr.za_first_integer,
|
|
(int)ATTR_LENGTH(attr.za_first_integer),
|
|
(int)ATTR_BSWAP(attr.za_first_integer),
|
|
(int)ATTR_NUM(attr.za_first_integer));
|
|
}
|
|
zap_cursor_fini(&zc);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
zap_cursor_t zc;
|
|
zap_attribute_t attr;
|
|
uint16_t *layout_attrs;
|
|
unsigned i;
|
|
|
|
dump_zap_stats(os, object);
|
|
(void) printf("\n");
|
|
|
|
for (zap_cursor_init(&zc, os, object);
|
|
zap_cursor_retrieve(&zc, &attr) == 0;
|
|
zap_cursor_advance(&zc)) {
|
|
(void) printf("\t\t%s = [", attr.za_name);
|
|
if (attr.za_num_integers == 0) {
|
|
(void) printf("\n");
|
|
continue;
|
|
}
|
|
|
|
VERIFY(attr.za_integer_length == 2);
|
|
layout_attrs = umem_zalloc(attr.za_num_integers *
|
|
attr.za_integer_length, UMEM_NOFAIL);
|
|
|
|
VERIFY(zap_lookup(os, object, attr.za_name,
|
|
attr.za_integer_length,
|
|
attr.za_num_integers, layout_attrs) == 0);
|
|
|
|
for (i = 0; i != attr.za_num_integers; i++)
|
|
(void) printf(" %d ", (int)layout_attrs[i]);
|
|
(void) printf("]\n");
|
|
umem_free(layout_attrs,
|
|
attr.za_num_integers * attr.za_integer_length);
|
|
}
|
|
zap_cursor_fini(&zc);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
zap_cursor_t zc;
|
|
zap_attribute_t attr;
|
|
const char *typenames[] = {
|
|
/* 0 */ "not specified",
|
|
/* 1 */ "FIFO",
|
|
/* 2 */ "Character Device",
|
|
/* 3 */ "3 (invalid)",
|
|
/* 4 */ "Directory",
|
|
/* 5 */ "5 (invalid)",
|
|
/* 6 */ "Block Device",
|
|
/* 7 */ "7 (invalid)",
|
|
/* 8 */ "Regular File",
|
|
/* 9 */ "9 (invalid)",
|
|
/* 10 */ "Symbolic Link",
|
|
/* 11 */ "11 (invalid)",
|
|
/* 12 */ "Socket",
|
|
/* 13 */ "Door",
|
|
/* 14 */ "Event Port",
|
|
/* 15 */ "15 (invalid)",
|
|
};
|
|
|
|
dump_zap_stats(os, object);
|
|
(void) printf("\n");
|
|
|
|
for (zap_cursor_init(&zc, os, object);
|
|
zap_cursor_retrieve(&zc, &attr) == 0;
|
|
zap_cursor_advance(&zc)) {
|
|
(void) printf("\t\t%s = %lld (type: %s)\n",
|
|
attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
|
|
typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
|
|
}
|
|
zap_cursor_fini(&zc);
|
|
}
|
|
|
|
static int
|
|
get_dtl_refcount(vdev_t *vd)
|
|
{
|
|
int refcount = 0;
|
|
|
|
if (vd->vdev_ops->vdev_op_leaf) {
|
|
space_map_t *sm = vd->vdev_dtl_sm;
|
|
|
|
if (sm != NULL &&
|
|
sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
for (unsigned c = 0; c < vd->vdev_children; c++)
|
|
refcount += get_dtl_refcount(vd->vdev_child[c]);
|
|
return (refcount);
|
|
}
|
|
|
|
static int
|
|
get_metaslab_refcount(vdev_t *vd)
|
|
{
|
|
int refcount = 0;
|
|
|
|
if (vd->vdev_top == vd) {
|
|
for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
|
|
space_map_t *sm = vd->vdev_ms[m]->ms_sm;
|
|
|
|
if (sm != NULL &&
|
|
sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
|
|
refcount++;
|
|
}
|
|
}
|
|
for (unsigned c = 0; c < vd->vdev_children; c++)
|
|
refcount += get_metaslab_refcount(vd->vdev_child[c]);
|
|
|
|
return (refcount);
|
|
}
|
|
|
|
static int
|
|
get_obsolete_refcount(vdev_t *vd)
|
|
{
|
|
uint64_t obsolete_sm_object;
|
|
int refcount = 0;
|
|
|
|
VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
|
|
if (vd->vdev_top == vd && obsolete_sm_object != 0) {
|
|
dmu_object_info_t doi;
|
|
VERIFY0(dmu_object_info(vd->vdev_spa->spa_meta_objset,
|
|
obsolete_sm_object, &doi));
|
|
if (doi.doi_bonus_size == sizeof (space_map_phys_t)) {
|
|
refcount++;
|
|
}
|
|
} else {
|
|
ASSERT3P(vd->vdev_obsolete_sm, ==, NULL);
|
|
ASSERT3U(obsolete_sm_object, ==, 0);
|
|
}
|
|
for (unsigned c = 0; c < vd->vdev_children; c++) {
|
|
refcount += get_obsolete_refcount(vd->vdev_child[c]);
|
|
}
|
|
|
|
return (refcount);
|
|
}
|
|
|
|
static int
|
|
get_prev_obsolete_spacemap_refcount(spa_t *spa)
|
|
{
|
|
uint64_t prev_obj =
|
|
spa->spa_condensing_indirect_phys.scip_prev_obsolete_sm_object;
|
|
if (prev_obj != 0) {
|
|
dmu_object_info_t doi;
|
|
VERIFY0(dmu_object_info(spa->spa_meta_objset, prev_obj, &doi));
|
|
if (doi.doi_bonus_size == sizeof (space_map_phys_t)) {
|
|
return (1);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
get_checkpoint_refcount(vdev_t *vd)
|
|
{
|
|
int refcount = 0;
|
|
|
|
if (vd->vdev_top == vd && vd->vdev_top_zap != 0 &&
|
|
zap_contains(spa_meta_objset(vd->vdev_spa),
|
|
vd->vdev_top_zap, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) == 0)
|
|
refcount++;
|
|
|
|
for (uint64_t c = 0; c < vd->vdev_children; c++)
|
|
refcount += get_checkpoint_refcount(vd->vdev_child[c]);
|
|
|
|
return (refcount);
|
|
}
|
|
|
|
static int
|
|
get_log_spacemap_refcount(spa_t *spa)
|
|
{
|
|
return (avl_numnodes(&spa->spa_sm_logs_by_txg));
|
|
}
|
|
|
|
static int
|
|
verify_spacemap_refcounts(spa_t *spa)
|
|
{
|
|
uint64_t expected_refcount = 0;
|
|
uint64_t actual_refcount;
|
|
|
|
(void) feature_get_refcount(spa,
|
|
&spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM],
|
|
&expected_refcount);
|
|
actual_refcount = get_dtl_refcount(spa->spa_root_vdev);
|
|
actual_refcount += get_metaslab_refcount(spa->spa_root_vdev);
|
|
actual_refcount += get_obsolete_refcount(spa->spa_root_vdev);
|
|
actual_refcount += get_prev_obsolete_spacemap_refcount(spa);
|
|
actual_refcount += get_checkpoint_refcount(spa->spa_root_vdev);
|
|
actual_refcount += get_log_spacemap_refcount(spa);
|
|
|
|
if (expected_refcount != actual_refcount) {
|
|
(void) printf("space map refcount mismatch: expected %lld != "
|
|
"actual %lld\n",
|
|
(longlong_t)expected_refcount,
|
|
(longlong_t)actual_refcount);
|
|
return (2);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
dump_spacemap(objset_t *os, space_map_t *sm)
|
|
{
|
|
const char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
|
|
"INVALID", "INVALID", "INVALID", "INVALID" };
|
|
|
|
if (sm == NULL)
|
|
return;
|
|
|
|
(void) printf("space map object %llu:\n",
|
|
(longlong_t)sm->sm_object);
|
|
(void) printf(" smp_length = 0x%llx\n",
|
|
(longlong_t)sm->sm_phys->smp_length);
|
|
(void) printf(" smp_alloc = 0x%llx\n",
|
|
(longlong_t)sm->sm_phys->smp_alloc);
|
|
|
|
if (dump_opt['d'] < 6 && dump_opt['m'] < 4)
|
|
return;
|
|
|
|
/*
|
|
* Print out the freelist entries in both encoded and decoded form.
|
|
*/
|
|
uint8_t mapshift = sm->sm_shift;
|
|
int64_t alloc = 0;
|
|
uint64_t word, entry_id = 0;
|
|
for (uint64_t offset = 0; offset < space_map_length(sm);
|
|
offset += sizeof (word)) {
|
|
|
|
VERIFY0(dmu_read(os, space_map_object(sm), offset,
|
|
sizeof (word), &word, DMU_READ_PREFETCH));
|
|
|
|
if (sm_entry_is_debug(word)) {
|
|
uint64_t de_txg = SM_DEBUG_TXG_DECODE(word);
|
|
uint64_t de_sync_pass = SM_DEBUG_SYNCPASS_DECODE(word);
|
|
if (de_txg == 0) {
|
|
(void) printf(
|
|
"\t [%6llu] PADDING\n",
|
|
(u_longlong_t)entry_id);
|
|
} else {
|
|
(void) printf(
|
|
"\t [%6llu] %s: txg %llu pass %llu\n",
|
|
(u_longlong_t)entry_id,
|
|
ddata[SM_DEBUG_ACTION_DECODE(word)],
|
|
(u_longlong_t)de_txg,
|
|
(u_longlong_t)de_sync_pass);
|
|
}
|
|
entry_id++;
|
|
continue;
|
|
}
|
|
|
|
uint8_t words;
|
|
char entry_type;
|
|
uint64_t entry_off, entry_run, entry_vdev = SM_NO_VDEVID;
|
|
|
|
if (sm_entry_is_single_word(word)) {
|
|
entry_type = (SM_TYPE_DECODE(word) == SM_ALLOC) ?
|
|
'A' : 'F';
|
|
entry_off = (SM_OFFSET_DECODE(word) << mapshift) +
|
|
sm->sm_start;
|
|
entry_run = SM_RUN_DECODE(word) << mapshift;
|
|
words = 1;
|
|
} else {
|
|
/* it is a two-word entry so we read another word */
|
|
ASSERT(sm_entry_is_double_word(word));
|
|
|
|
uint64_t extra_word;
|
|
offset += sizeof (extra_word);
|
|
VERIFY0(dmu_read(os, space_map_object(sm), offset,
|
|
sizeof (extra_word), &extra_word,
|
|
DMU_READ_PREFETCH));
|
|
|
|
ASSERT3U(offset, <=, space_map_length(sm));
|
|
|
|
entry_run = SM2_RUN_DECODE(word) << mapshift;
|
|
entry_vdev = SM2_VDEV_DECODE(word);
|
|
entry_type = (SM2_TYPE_DECODE(extra_word) == SM_ALLOC) ?
|
|
'A' : 'F';
|
|
entry_off = (SM2_OFFSET_DECODE(extra_word) <<
|
|
mapshift) + sm->sm_start;
|
|
words = 2;
|
|
}
|
|
|
|
(void) printf("\t [%6llu] %c range:"
|
|
" %010llx-%010llx size: %06llx vdev: %06llu words: %u\n",
|
|
(u_longlong_t)entry_id,
|
|
entry_type, (u_longlong_t)entry_off,
|
|
(u_longlong_t)(entry_off + entry_run),
|
|
(u_longlong_t)entry_run,
|
|
(u_longlong_t)entry_vdev, words);
|
|
|
|
if (entry_type == 'A')
|
|
alloc += entry_run;
|
|
else
|
|
alloc -= entry_run;
|
|
entry_id++;
|
|
}
|
|
if (alloc != space_map_allocated(sm)) {
|
|
(void) printf("space_map_object alloc (%lld) INCONSISTENT "
|
|
"with space map summary (%lld)\n",
|
|
(longlong_t)space_map_allocated(sm), (longlong_t)alloc);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dump_metaslab_stats(metaslab_t *msp)
|
|
{
|
|
char maxbuf[32];
|
|
range_tree_t *rt = msp->ms_allocatable;
|
|
zfs_btree_t *t = &msp->ms_allocatable_by_size;
|
|
int free_pct = range_tree_space(rt) * 100 / msp->ms_size;
|
|
|
|
/* max sure nicenum has enough space */
|
|
CTASSERT(sizeof (maxbuf) >= NN_NUMBUF_SZ);
|
|
|
|
zdb_nicenum(metaslab_largest_allocatable(msp), maxbuf, sizeof (maxbuf));
|
|
|
|
(void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
|
|
"segments", zfs_btree_numnodes(t), "maxsize", maxbuf,
|
|
"freepct", free_pct);
|
|
(void) printf("\tIn-memory histogram:\n");
|
|
dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
|
|
}
|
|
|
|
static void
|
|
dump_metaslab(metaslab_t *msp)
|
|
{
|
|
vdev_t *vd = msp->ms_group->mg_vd;
|
|
spa_t *spa = vd->vdev_spa;
|
|
space_map_t *sm = msp->ms_sm;
|
|
char freebuf[32];
|
|
|
|
zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf,
|
|
sizeof (freebuf));
|
|
|
|
(void) printf(
|
|
"\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
|
|
(u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start,
|
|
(u_longlong_t)space_map_object(sm), freebuf);
|
|
|
|
if (dump_opt['m'] > 2 && !dump_opt['L']) {
|
|
mutex_enter(&msp->ms_lock);
|
|
VERIFY0(metaslab_load(msp));
|
|
range_tree_stat_verify(msp->ms_allocatable);
|
|
dump_metaslab_stats(msp);
|
|
metaslab_unload(msp);
|
|
mutex_exit(&msp->ms_lock);
|
|
}
|
|
|
|
if (dump_opt['m'] > 1 && sm != NULL &&
|
|
spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) {
|
|
/*
|
|
* The space map histogram represents free space in chunks
|
|
* of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
|
|
*/
|
|
(void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
|
|
(u_longlong_t)msp->ms_fragmentation);
|
|
dump_histogram(sm->sm_phys->smp_histogram,
|
|
SPACE_MAP_HISTOGRAM_SIZE, sm->sm_shift);
|
|
}
|
|
|
|
ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift));
|
|
dump_spacemap(spa->spa_meta_objset, msp->ms_sm);
|
|
|
|
if (spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP)) {
|
|
(void) printf("\tFlush data:\n\tunflushed txg=%llu\n\n",
|
|
(u_longlong_t)metaslab_unflushed_txg(msp));
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_vdev_metaslab_header(vdev_t *vd)
|
|
{
|
|
vdev_alloc_bias_t alloc_bias = vd->vdev_alloc_bias;
|
|
const char *bias_str = "";
|
|
if (alloc_bias == VDEV_BIAS_LOG || vd->vdev_islog) {
|
|
bias_str = VDEV_ALLOC_BIAS_LOG;
|
|
} else if (alloc_bias == VDEV_BIAS_SPECIAL) {
|
|
bias_str = VDEV_ALLOC_BIAS_SPECIAL;
|
|
} else if (alloc_bias == VDEV_BIAS_DEDUP) {
|
|
bias_str = VDEV_ALLOC_BIAS_DEDUP;
|
|
}
|
|
|
|
uint64_t ms_flush_data_obj = 0;
|
|
if (vd->vdev_top_zap != 0) {
|
|
int error = zap_lookup(spa_meta_objset(vd->vdev_spa),
|
|
vd->vdev_top_zap, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS,
|
|
sizeof (uint64_t), 1, &ms_flush_data_obj);
|
|
if (error != ENOENT) {
|
|
ASSERT0(error);
|
|
}
|
|
}
|
|
|
|
(void) printf("\tvdev %10llu %s",
|
|
(u_longlong_t)vd->vdev_id, bias_str);
|
|
|
|
if (ms_flush_data_obj != 0) {
|
|
(void) printf(" ms_unflushed_phys object %llu",
|
|
(u_longlong_t)ms_flush_data_obj);
|
|
}
|
|
|
|
(void) printf("\n\t%-10s%5llu %-19s %-15s %-12s\n",
|
|
"metaslabs", (u_longlong_t)vd->vdev_ms_count,
|
|
"offset", "spacemap", "free");
|
|
(void) printf("\t%15s %19s %15s %12s\n",
|
|
"---------------", "-------------------",
|
|
"---------------", "------------");
|
|
}
|
|
|
|
static void
|
|
dump_metaslab_groups(spa_t *spa)
|
|
{
|
|
vdev_t *rvd = spa->spa_root_vdev;
|
|
metaslab_class_t *mc = spa_normal_class(spa);
|
|
uint64_t fragmentation;
|
|
|
|
metaslab_class_histogram_verify(mc);
|
|
|
|
for (unsigned c = 0; c < rvd->vdev_children; c++) {
|
|
vdev_t *tvd = rvd->vdev_child[c];
|
|
metaslab_group_t *mg = tvd->vdev_mg;
|
|
|
|
if (mg == NULL || mg->mg_class != mc)
|
|
continue;
|
|
|
|
metaslab_group_histogram_verify(mg);
|
|
mg->mg_fragmentation = metaslab_group_fragmentation(mg);
|
|
|
|
(void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
|
|
"fragmentation",
|
|
(u_longlong_t)tvd->vdev_id,
|
|
(u_longlong_t)tvd->vdev_ms_count);
|
|
if (mg->mg_fragmentation == ZFS_FRAG_INVALID) {
|
|
(void) printf("%3s\n", "-");
|
|
} else {
|
|
(void) printf("%3llu%%\n",
|
|
(u_longlong_t)mg->mg_fragmentation);
|
|
}
|
|
dump_histogram(mg->mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
|
|
}
|
|
|
|
(void) printf("\tpool %s\tfragmentation", spa_name(spa));
|
|
fragmentation = metaslab_class_fragmentation(mc);
|
|
if (fragmentation == ZFS_FRAG_INVALID)
|
|
(void) printf("\t%3s\n", "-");
|
|
else
|
|
(void) printf("\t%3llu%%\n", (u_longlong_t)fragmentation);
|
|
dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
|
|
}
|
|
|
|
static void
|
|
print_vdev_indirect(vdev_t *vd)
|
|
{
|
|
vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
|
|
vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
|
|
vdev_indirect_births_t *vib = vd->vdev_indirect_births;
|
|
|
|
if (vim == NULL) {
|
|
ASSERT3P(vib, ==, NULL);
|
|
return;
|
|
}
|
|
|
|
ASSERT3U(vdev_indirect_mapping_object(vim), ==,
|
|
vic->vic_mapping_object);
|
|
ASSERT3U(vdev_indirect_births_object(vib), ==,
|
|
vic->vic_births_object);
|
|
|
|
(void) printf("indirect births obj %llu:\n",
|
|
(longlong_t)vic->vic_births_object);
|
|
(void) printf(" vib_count = %llu\n",
|
|
(longlong_t)vdev_indirect_births_count(vib));
|
|
for (uint64_t i = 0; i < vdev_indirect_births_count(vib); i++) {
|
|
vdev_indirect_birth_entry_phys_t *cur_vibe =
|
|
&vib->vib_entries[i];
|
|
(void) printf("\toffset %llx -> txg %llu\n",
|
|
(longlong_t)cur_vibe->vibe_offset,
|
|
(longlong_t)cur_vibe->vibe_phys_birth_txg);
|
|
}
|
|
(void) printf("\n");
|
|
|
|
(void) printf("indirect mapping obj %llu:\n",
|
|
(longlong_t)vic->vic_mapping_object);
|
|
(void) printf(" vim_max_offset = 0x%llx\n",
|
|
(longlong_t)vdev_indirect_mapping_max_offset(vim));
|
|
(void) printf(" vim_bytes_mapped = 0x%llx\n",
|
|
(longlong_t)vdev_indirect_mapping_bytes_mapped(vim));
|
|
(void) printf(" vim_count = %llu\n",
|
|
(longlong_t)vdev_indirect_mapping_num_entries(vim));
|
|
|
|
if (dump_opt['d'] <= 5 && dump_opt['m'] <= 3)
|
|
return;
|
|
|
|
uint32_t *counts = vdev_indirect_mapping_load_obsolete_counts(vim);
|
|
|
|
for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
|
|
vdev_indirect_mapping_entry_phys_t *vimep =
|
|
&vim->vim_entries[i];
|
|
(void) printf("\t<%llx:%llx:%llx> -> "
|
|
"<%llx:%llx:%llx> (%x obsolete)\n",
|
|
(longlong_t)vd->vdev_id,
|
|
(longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
|
|
(longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
|
|
(longlong_t)DVA_GET_VDEV(&vimep->vimep_dst),
|
|
(longlong_t)DVA_GET_OFFSET(&vimep->vimep_dst),
|
|
(longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
|
|
counts[i]);
|
|
}
|
|
(void) printf("\n");
|
|
|
|
uint64_t obsolete_sm_object;
|
|
VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
|
|
if (obsolete_sm_object != 0) {
|
|
objset_t *mos = vd->vdev_spa->spa_meta_objset;
|
|
(void) printf("obsolete space map object %llu:\n",
|
|
(u_longlong_t)obsolete_sm_object);
|
|
ASSERT(vd->vdev_obsolete_sm != NULL);
|
|
ASSERT3U(space_map_object(vd->vdev_obsolete_sm), ==,
|
|
obsolete_sm_object);
|
|
dump_spacemap(mos, vd->vdev_obsolete_sm);
|
|
(void) printf("\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
dump_metaslabs(spa_t *spa)
|
|
{
|
|
vdev_t *vd, *rvd = spa->spa_root_vdev;
|
|
uint64_t m, c = 0, children = rvd->vdev_children;
|
|
|
|
(void) printf("\nMetaslabs:\n");
|
|
|
|
if (!dump_opt['d'] && zopt_metaslab_args > 0) {
|
|
c = zopt_metaslab[0];
|
|
|
|
if (c >= children)
|
|
(void) fatal("bad vdev id: %llu", (u_longlong_t)c);
|
|
|
|
if (zopt_metaslab_args > 1) {
|
|
vd = rvd->vdev_child[c];
|
|
print_vdev_metaslab_header(vd);
|
|
|
|
for (m = 1; m < zopt_metaslab_args; m++) {
|
|
if (zopt_metaslab[m] < vd->vdev_ms_count)
|
|
dump_metaslab(
|
|
vd->vdev_ms[zopt_metaslab[m]]);
|
|
else
|
|
(void) fprintf(stderr, "bad metaslab "
|
|
"number %llu\n",
|
|
(u_longlong_t)zopt_metaslab[m]);
|
|
}
|
|
(void) printf("\n");
|
|
return;
|
|
}
|
|
children = c + 1;
|
|
}
|
|
for (; c < children; c++) {
|
|
vd = rvd->vdev_child[c];
|
|
print_vdev_metaslab_header(vd);
|
|
|
|
print_vdev_indirect(vd);
|
|
|
|
for (m = 0; m < vd->vdev_ms_count; m++)
|
|
dump_metaslab(vd->vdev_ms[m]);
|
|
(void) printf("\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
dump_log_spacemaps(spa_t *spa)
|
|
{
|
|
if (!spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP))
|
|
return;
|
|
|
|
(void) printf("\nLog Space Maps in Pool:\n");
|
|
for (spa_log_sm_t *sls = avl_first(&spa->spa_sm_logs_by_txg);
|
|
sls; sls = AVL_NEXT(&spa->spa_sm_logs_by_txg, sls)) {
|
|
space_map_t *sm = NULL;
|
|
VERIFY0(space_map_open(&sm, spa_meta_objset(spa),
|
|
sls->sls_sm_obj, 0, UINT64_MAX, SPA_MINBLOCKSHIFT));
|
|
|
|
(void) printf("Log Spacemap object %llu txg %llu\n",
|
|
(u_longlong_t)sls->sls_sm_obj, (u_longlong_t)sls->sls_txg);
|
|
dump_spacemap(spa->spa_meta_objset, sm);
|
|
space_map_close(sm);
|
|
}
|
|
(void) printf("\n");
|
|
}
|
|
|
|
static void
|
|
dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
|
|
{
|
|
const ddt_phys_t *ddp = dde->dde_phys;
|
|
const ddt_key_t *ddk = &dde->dde_key;
|
|
const char *types[4] = { "ditto", "single", "double", "triple" };
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
blkptr_t blk;
|
|
int p;
|
|
|
|
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
|
|
if (ddp->ddp_phys_birth == 0)
|
|
continue;
|
|
ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
|
|
snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk);
|
|
(void) printf("index %llx refcnt %llu %s %s\n",
|
|
(u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
|
|
types[p], blkbuf);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dump_dedup_ratio(const ddt_stat_t *dds)
|
|
{
|
|
double rL, rP, rD, D, dedup, compress, copies;
|
|
|
|
if (dds->dds_blocks == 0)
|
|
return;
|
|
|
|
rL = (double)dds->dds_ref_lsize;
|
|
rP = (double)dds->dds_ref_psize;
|
|
rD = (double)dds->dds_ref_dsize;
|
|
D = (double)dds->dds_dsize;
|
|
|
|
dedup = rD / D;
|
|
compress = rL / rP;
|
|
copies = rD / rP;
|
|
|
|
(void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
|
|
"dedup * compress / copies = %.2f\n\n",
|
|
dedup, compress, copies, dedup * compress / copies);
|
|
}
|
|
|
|
static void
|
|
dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
|
|
{
|
|
char name[DDT_NAMELEN];
|
|
ddt_entry_t dde;
|
|
uint64_t walk = 0;
|
|
dmu_object_info_t doi;
|
|
uint64_t count, dspace, mspace;
|
|
int error;
|
|
|
|
error = ddt_object_info(ddt, type, class, &doi);
|
|
|
|
if (error == ENOENT)
|
|
return;
|
|
ASSERT(error == 0);
|
|
|
|
error = ddt_object_count(ddt, type, class, &count);
|
|
ASSERT(error == 0);
|
|
if (count == 0)
|
|
return;
|
|
|
|
dspace = doi.doi_physical_blocks_512 << 9;
|
|
mspace = doi.doi_fill_count * doi.doi_data_block_size;
|
|
|
|
ddt_object_name(ddt, type, class, name);
|
|
|
|
(void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
|
|
name,
|
|
(u_longlong_t)count,
|
|
(u_longlong_t)(dspace / count),
|
|
(u_longlong_t)(mspace / count));
|
|
|
|
if (dump_opt['D'] < 3)
|
|
return;
|
|
|
|
zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
|
|
|
|
if (dump_opt['D'] < 4)
|
|
return;
|
|
|
|
if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
|
|
return;
|
|
|
|
(void) printf("%s contents:\n\n", name);
|
|
|
|
while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
|
|
dump_dde(ddt, &dde, walk);
|
|
|
|
ASSERT3U(error, ==, ENOENT);
|
|
|
|
(void) printf("\n");
|
|
}
|
|
|
|
static void
|
|
dump_all_ddts(spa_t *spa)
|
|
{
|
|
ddt_histogram_t ddh_total;
|
|
ddt_stat_t dds_total;
|
|
|
|
bzero(&ddh_total, sizeof (ddh_total));
|
|
bzero(&dds_total, sizeof (dds_total));
|
|
|
|
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
|
|
ddt_t *ddt = spa->spa_ddt[c];
|
|
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
|
|
for (enum ddt_class class = 0; class < DDT_CLASSES;
|
|
class++) {
|
|
dump_ddt(ddt, type, class);
|
|
}
|
|
}
|
|
}
|
|
|
|
ddt_get_dedup_stats(spa, &dds_total);
|
|
|
|
if (dds_total.dds_blocks == 0) {
|
|
(void) printf("All DDTs are empty\n");
|
|
return;
|
|
}
|
|
|
|
(void) printf("\n");
|
|
|
|
if (dump_opt['D'] > 1) {
|
|
(void) printf("DDT histogram (aggregated over all DDTs):\n");
|
|
ddt_get_dedup_histogram(spa, &ddh_total);
|
|
zpool_dump_ddt(&dds_total, &ddh_total);
|
|
}
|
|
|
|
dump_dedup_ratio(&dds_total);
|
|
}
|
|
|
|
static void
|
|
dump_dtl_seg(void *arg, uint64_t start, uint64_t size)
|
|
{
|
|
char *prefix = arg;
|
|
|
|
(void) printf("%s [%llu,%llu) length %llu\n",
|
|
prefix,
|
|
(u_longlong_t)start,
|
|
(u_longlong_t)(start + size),
|
|
(u_longlong_t)(size));
|
|
}
|
|
|
|
static void
|
|
dump_dtl(vdev_t *vd, int indent)
|
|
{
|
|
spa_t *spa = vd->vdev_spa;
|
|
boolean_t required;
|
|
const char *name[DTL_TYPES] = { "missing", "partial", "scrub",
|
|
"outage" };
|
|
char prefix[256];
|
|
|
|
spa_vdev_state_enter(spa, SCL_NONE);
|
|
required = vdev_dtl_required(vd);
|
|
(void) spa_vdev_state_exit(spa, NULL, 0);
|
|
|
|
if (indent == 0)
|
|
(void) printf("\nDirty time logs:\n\n");
|
|
|
|
(void) printf("\t%*s%s [%s]\n", indent, "",
|
|
vd->vdev_path ? vd->vdev_path :
|
|
vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
|
|
required ? "DTL-required" : "DTL-expendable");
|
|
|
|
for (int t = 0; t < DTL_TYPES; t++) {
|
|
range_tree_t *rt = vd->vdev_dtl[t];
|
|
if (range_tree_space(rt) == 0)
|
|
continue;
|
|
(void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
|
|
indent + 2, "", name[t]);
|
|
range_tree_walk(rt, dump_dtl_seg, prefix);
|
|
if (dump_opt['d'] > 5 && vd->vdev_children == 0)
|
|
dump_spacemap(spa->spa_meta_objset,
|
|
vd->vdev_dtl_sm);
|
|
}
|
|
|
|
for (unsigned c = 0; c < vd->vdev_children; c++)
|
|
dump_dtl(vd->vdev_child[c], indent + 4);
|
|
}
|
|
|
|
static void
|
|
dump_history(spa_t *spa)
|
|
{
|
|
nvlist_t **events = NULL;
|
|
char *buf;
|
|
uint64_t resid, len, off = 0;
|
|
uint_t num = 0;
|
|
int error;
|
|
time_t tsec;
|
|
struct tm t;
|
|
char tbuf[30];
|
|
char internalstr[MAXPATHLEN];
|
|
|
|
if ((buf = malloc(SPA_OLD_MAXBLOCKSIZE)) == NULL) {
|
|
(void) fprintf(stderr, "%s: unable to allocate I/O buffer\n",
|
|
__func__);
|
|
return;
|
|
}
|
|
|
|
do {
|
|
len = SPA_OLD_MAXBLOCKSIZE;
|
|
|
|
if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
|
|
(void) fprintf(stderr, "Unable to read history: "
|
|
"error %d\n", error);
|
|
free(buf);
|
|
return;
|
|
}
|
|
|
|
if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
|
|
break;
|
|
|
|
off -= resid;
|
|
} while (len != 0);
|
|
|
|
(void) printf("\nHistory:\n");
|
|
for (unsigned i = 0; i < num; i++) {
|
|
uint64_t time, txg, ievent;
|
|
char *cmd, *intstr;
|
|
boolean_t printed = B_FALSE;
|
|
|
|
if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
|
|
&time) != 0)
|
|
goto next;
|
|
if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
|
|
&cmd) != 0) {
|
|
if (nvlist_lookup_uint64(events[i],
|
|
ZPOOL_HIST_INT_EVENT, &ievent) != 0)
|
|
goto next;
|
|
verify(nvlist_lookup_uint64(events[i],
|
|
ZPOOL_HIST_TXG, &txg) == 0);
|
|
verify(nvlist_lookup_string(events[i],
|
|
ZPOOL_HIST_INT_STR, &intstr) == 0);
|
|
if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS)
|
|
goto next;
|
|
|
|
(void) snprintf(internalstr,
|
|
sizeof (internalstr),
|
|
"[internal %s txg:%lld] %s",
|
|
zfs_history_event_names[ievent],
|
|
(longlong_t)txg, intstr);
|
|
cmd = internalstr;
|
|
}
|
|
tsec = time;
|
|
(void) localtime_r(&tsec, &t);
|
|
(void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
|
|
(void) printf("%s %s\n", tbuf, cmd);
|
|
printed = B_TRUE;
|
|
|
|
next:
|
|
if (dump_opt['h'] > 1) {
|
|
if (!printed)
|
|
(void) printf("unrecognized record:\n");
|
|
dump_nvlist(events[i], 2);
|
|
}
|
|
}
|
|
free(buf);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
}
|
|
|
|
static uint64_t
|
|
blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp,
|
|
const zbookmark_phys_t *zb)
|
|
{
|
|
if (dnp == NULL) {
|
|
ASSERT(zb->zb_level < 0);
|
|
if (zb->zb_object == 0)
|
|
return (zb->zb_blkid);
|
|
return (zb->zb_blkid * BP_GET_LSIZE(bp));
|
|
}
|
|
|
|
ASSERT(zb->zb_level >= 0);
|
|
|
|
return ((zb->zb_blkid <<
|
|
(zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
|
|
dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
|
|
}
|
|
|
|
static void
|
|
snprintf_zstd_header(spa_t *spa, char *blkbuf, size_t buflen,
|
|
const blkptr_t *bp)
|
|
{
|
|
abd_t *pabd;
|
|
void *buf;
|
|
zio_t *zio;
|
|
zfs_zstdhdr_t zstd_hdr;
|
|
int error;
|
|
|
|
if (BP_GET_COMPRESS(bp) != ZIO_COMPRESS_ZSTD)
|
|
return;
|
|
|
|
if (BP_IS_HOLE(bp))
|
|
return;
|
|
|
|
if (BP_IS_EMBEDDED(bp)) {
|
|
buf = malloc(SPA_MAXBLOCKSIZE);
|
|
if (buf == NULL) {
|
|
(void) fprintf(stderr, "out of memory\n");
|
|
exit(1);
|
|
}
|
|
decode_embedded_bp_compressed(bp, buf);
|
|
memcpy(&zstd_hdr, buf, sizeof (zstd_hdr));
|
|
free(buf);
|
|
zstd_hdr.c_len = BE_32(zstd_hdr.c_len);
|
|
zstd_hdr.raw_version_level = BE_32(zstd_hdr.raw_version_level);
|
|
(void) snprintf(blkbuf + strlen(blkbuf),
|
|
buflen - strlen(blkbuf),
|
|
" ZSTD:size=%u:version=%u:level=%u:EMBEDDED",
|
|
zstd_hdr.c_len, zstd_hdr.version, zstd_hdr.level);
|
|
return;
|
|
}
|
|
|
|
pabd = abd_alloc_for_io(SPA_MAXBLOCKSIZE, B_FALSE);
|
|
zio = zio_root(spa, NULL, NULL, 0);
|
|
|
|
/* Decrypt but don't decompress so we can read the compression header */
|
|
zio_nowait(zio_read(zio, spa, bp, pabd, BP_GET_PSIZE(bp), NULL, NULL,
|
|
ZIO_PRIORITY_SYNC_READ, ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW_COMPRESS,
|
|
NULL));
|
|
error = zio_wait(zio);
|
|
if (error) {
|
|
(void) fprintf(stderr, "read failed: %d\n", error);
|
|
return;
|
|
}
|
|
buf = abd_borrow_buf_copy(pabd, BP_GET_LSIZE(bp));
|
|
memcpy(&zstd_hdr, buf, sizeof (zstd_hdr));
|
|
zstd_hdr.c_len = BE_32(zstd_hdr.c_len);
|
|
zstd_hdr.raw_version_level = BE_32(zstd_hdr.raw_version_level);
|
|
|
|
(void) snprintf(blkbuf + strlen(blkbuf),
|
|
buflen - strlen(blkbuf),
|
|
" ZSTD:size=%u:version=%u:level=%u:NORMAL",
|
|
zstd_hdr.c_len, zstd_hdr.version, zstd_hdr.level);
|
|
|
|
abd_return_buf_copy(pabd, buf, BP_GET_LSIZE(bp));
|
|
}
|
|
|
|
static void
|
|
snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp,
|
|
boolean_t bp_freed)
|
|
{
|
|
const dva_t *dva = bp->blk_dva;
|
|
int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
|
|
int i;
|
|
|
|
if (dump_opt['b'] >= 6) {
|
|
snprintf_blkptr(blkbuf, buflen, bp);
|
|
if (bp_freed) {
|
|
(void) snprintf(blkbuf + strlen(blkbuf),
|
|
buflen - strlen(blkbuf), " %s", "FREE");
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (BP_IS_EMBEDDED(bp)) {
|
|
(void) sprintf(blkbuf,
|
|
"EMBEDDED et=%u %llxL/%llxP B=%llu",
|
|
(int)BPE_GET_ETYPE(bp),
|
|
(u_longlong_t)BPE_GET_LSIZE(bp),
|
|
(u_longlong_t)BPE_GET_PSIZE(bp),
|
|
(u_longlong_t)bp->blk_birth);
|
|
return;
|
|
}
|
|
|
|
blkbuf[0] = '\0';
|
|
|
|
for (i = 0; i < ndvas; i++)
|
|
(void) snprintf(blkbuf + strlen(blkbuf),
|
|
buflen - strlen(blkbuf), "%llu:%llx:%llx ",
|
|
(u_longlong_t)DVA_GET_VDEV(&dva[i]),
|
|
(u_longlong_t)DVA_GET_OFFSET(&dva[i]),
|
|
(u_longlong_t)DVA_GET_ASIZE(&dva[i]));
|
|
|
|
if (BP_IS_HOLE(bp)) {
|
|
(void) snprintf(blkbuf + strlen(blkbuf),
|
|
buflen - strlen(blkbuf),
|
|
"%llxL B=%llu",
|
|
(u_longlong_t)BP_GET_LSIZE(bp),
|
|
(u_longlong_t)bp->blk_birth);
|
|
} else {
|
|
(void) snprintf(blkbuf + strlen(blkbuf),
|
|
buflen - strlen(blkbuf),
|
|
"%llxL/%llxP F=%llu B=%llu/%llu",
|
|
(u_longlong_t)BP_GET_LSIZE(bp),
|
|
(u_longlong_t)BP_GET_PSIZE(bp),
|
|
(u_longlong_t)BP_GET_FILL(bp),
|
|
(u_longlong_t)bp->blk_birth,
|
|
(u_longlong_t)BP_PHYSICAL_BIRTH(bp));
|
|
if (bp_freed)
|
|
(void) snprintf(blkbuf + strlen(blkbuf),
|
|
buflen - strlen(blkbuf), " %s", "FREE");
|
|
(void) snprintf(blkbuf + strlen(blkbuf),
|
|
buflen - strlen(blkbuf), " cksum=%llx:%llx:%llx:%llx",
|
|
(u_longlong_t)bp->blk_cksum.zc_word[0],
|
|
(u_longlong_t)bp->blk_cksum.zc_word[1],
|
|
(u_longlong_t)bp->blk_cksum.zc_word[2],
|
|
(u_longlong_t)bp->blk_cksum.zc_word[3]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_indirect(spa_t *spa, blkptr_t *bp, const zbookmark_phys_t *zb,
|
|
const dnode_phys_t *dnp)
|
|
{
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
int l;
|
|
|
|
if (!BP_IS_EMBEDDED(bp)) {
|
|
ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
|
|
ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
|
|
}
|
|
|
|
(void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
|
|
|
|
ASSERT(zb->zb_level >= 0);
|
|
|
|
for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
|
|
if (l == zb->zb_level) {
|
|
(void) printf("L%llx", (u_longlong_t)zb->zb_level);
|
|
} else {
|
|
(void) printf(" ");
|
|
}
|
|
}
|
|
|
|
snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp, B_FALSE);
|
|
if (dump_opt['Z'] && BP_GET_COMPRESS(bp) == ZIO_COMPRESS_ZSTD)
|
|
snprintf_zstd_header(spa, blkbuf, sizeof (blkbuf), bp);
|
|
(void) printf("%s\n", blkbuf);
|
|
}
|
|
|
|
static int
|
|
visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
|
|
blkptr_t *bp, const zbookmark_phys_t *zb)
|
|
{
|
|
int err = 0;
|
|
|
|
if (bp->blk_birth == 0)
|
|
return (0);
|
|
|
|
print_indirect(spa, bp, zb, dnp);
|
|
|
|
if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) {
|
|
arc_flags_t flags = ARC_FLAG_WAIT;
|
|
int i;
|
|
blkptr_t *cbp;
|
|
int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
|
|
arc_buf_t *buf;
|
|
uint64_t fill = 0;
|
|
ASSERT(!BP_IS_REDACTED(bp));
|
|
|
|
err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
|
|
ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
|
|
if (err)
|
|
return (err);
|
|
ASSERT(buf->b_data);
|
|
|
|
/* recursively visit blocks below this */
|
|
cbp = buf->b_data;
|
|
for (i = 0; i < epb; i++, cbp++) {
|
|
zbookmark_phys_t czb;
|
|
|
|
SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
|
|
zb->zb_level - 1,
|
|
zb->zb_blkid * epb + i);
|
|
err = visit_indirect(spa, dnp, cbp, &czb);
|
|
if (err)
|
|
break;
|
|
fill += BP_GET_FILL(cbp);
|
|
}
|
|
if (!err)
|
|
ASSERT3U(fill, ==, BP_GET_FILL(bp));
|
|
arc_buf_destroy(buf, &buf);
|
|
}
|
|
|
|
return (err);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_indirect(dnode_t *dn)
|
|
{
|
|
dnode_phys_t *dnp = dn->dn_phys;
|
|
int j;
|
|
zbookmark_phys_t czb;
|
|
|
|
(void) printf("Indirect blocks:\n");
|
|
|
|
SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
|
|
dn->dn_object, dnp->dn_nlevels - 1, 0);
|
|
for (j = 0; j < dnp->dn_nblkptr; j++) {
|
|
czb.zb_blkid = j;
|
|
(void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
|
|
&dnp->dn_blkptr[j], &czb);
|
|
}
|
|
|
|
(void) printf("\n");
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
dsl_dir_phys_t *dd = data;
|
|
time_t crtime;
|
|
char nice[32];
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (nice) >= NN_NUMBUF_SZ);
|
|
|
|
if (dd == NULL)
|
|
return;
|
|
|
|
ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
|
|
|
|
crtime = dd->dd_creation_time;
|
|
(void) printf("\t\tcreation_time = %s", ctime(&crtime));
|
|
(void) printf("\t\thead_dataset_obj = %llu\n",
|
|
(u_longlong_t)dd->dd_head_dataset_obj);
|
|
(void) printf("\t\tparent_dir_obj = %llu\n",
|
|
(u_longlong_t)dd->dd_parent_obj);
|
|
(void) printf("\t\torigin_obj = %llu\n",
|
|
(u_longlong_t)dd->dd_origin_obj);
|
|
(void) printf("\t\tchild_dir_zapobj = %llu\n",
|
|
(u_longlong_t)dd->dd_child_dir_zapobj);
|
|
zdb_nicenum(dd->dd_used_bytes, nice, sizeof (nice));
|
|
(void) printf("\t\tused_bytes = %s\n", nice);
|
|
zdb_nicenum(dd->dd_compressed_bytes, nice, sizeof (nice));
|
|
(void) printf("\t\tcompressed_bytes = %s\n", nice);
|
|
zdb_nicenum(dd->dd_uncompressed_bytes, nice, sizeof (nice));
|
|
(void) printf("\t\tuncompressed_bytes = %s\n", nice);
|
|
zdb_nicenum(dd->dd_quota, nice, sizeof (nice));
|
|
(void) printf("\t\tquota = %s\n", nice);
|
|
zdb_nicenum(dd->dd_reserved, nice, sizeof (nice));
|
|
(void) printf("\t\treserved = %s\n", nice);
|
|
(void) printf("\t\tprops_zapobj = %llu\n",
|
|
(u_longlong_t)dd->dd_props_zapobj);
|
|
(void) printf("\t\tdeleg_zapobj = %llu\n",
|
|
(u_longlong_t)dd->dd_deleg_zapobj);
|
|
(void) printf("\t\tflags = %llx\n",
|
|
(u_longlong_t)dd->dd_flags);
|
|
|
|
#define DO(which) \
|
|
zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \
|
|
sizeof (nice)); \
|
|
(void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
|
|
DO(HEAD);
|
|
DO(SNAP);
|
|
DO(CHILD);
|
|
DO(CHILD_RSRV);
|
|
DO(REFRSRV);
|
|
#undef DO
|
|
(void) printf("\t\tclones = %llu\n",
|
|
(u_longlong_t)dd->dd_clones);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
dsl_dataset_phys_t *ds = data;
|
|
time_t crtime;
|
|
char used[32], compressed[32], uncompressed[32], unique[32];
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (used) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (compressed) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (uncompressed) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (unique) >= NN_NUMBUF_SZ);
|
|
|
|
if (ds == NULL)
|
|
return;
|
|
|
|
ASSERT(size == sizeof (*ds));
|
|
crtime = ds->ds_creation_time;
|
|
zdb_nicenum(ds->ds_referenced_bytes, used, sizeof (used));
|
|
zdb_nicenum(ds->ds_compressed_bytes, compressed, sizeof (compressed));
|
|
zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed,
|
|
sizeof (uncompressed));
|
|
zdb_nicenum(ds->ds_unique_bytes, unique, sizeof (unique));
|
|
snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp);
|
|
|
|
(void) printf("\t\tdir_obj = %llu\n",
|
|
(u_longlong_t)ds->ds_dir_obj);
|
|
(void) printf("\t\tprev_snap_obj = %llu\n",
|
|
(u_longlong_t)ds->ds_prev_snap_obj);
|
|
(void) printf("\t\tprev_snap_txg = %llu\n",
|
|
(u_longlong_t)ds->ds_prev_snap_txg);
|
|
(void) printf("\t\tnext_snap_obj = %llu\n",
|
|
(u_longlong_t)ds->ds_next_snap_obj);
|
|
(void) printf("\t\tsnapnames_zapobj = %llu\n",
|
|
(u_longlong_t)ds->ds_snapnames_zapobj);
|
|
(void) printf("\t\tnum_children = %llu\n",
|
|
(u_longlong_t)ds->ds_num_children);
|
|
(void) printf("\t\tuserrefs_obj = %llu\n",
|
|
(u_longlong_t)ds->ds_userrefs_obj);
|
|
(void) printf("\t\tcreation_time = %s", ctime(&crtime));
|
|
(void) printf("\t\tcreation_txg = %llu\n",
|
|
(u_longlong_t)ds->ds_creation_txg);
|
|
(void) printf("\t\tdeadlist_obj = %llu\n",
|
|
(u_longlong_t)ds->ds_deadlist_obj);
|
|
(void) printf("\t\tused_bytes = %s\n", used);
|
|
(void) printf("\t\tcompressed_bytes = %s\n", compressed);
|
|
(void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
|
|
(void) printf("\t\tunique = %s\n", unique);
|
|
(void) printf("\t\tfsid_guid = %llu\n",
|
|
(u_longlong_t)ds->ds_fsid_guid);
|
|
(void) printf("\t\tguid = %llu\n",
|
|
(u_longlong_t)ds->ds_guid);
|
|
(void) printf("\t\tflags = %llx\n",
|
|
(u_longlong_t)ds->ds_flags);
|
|
(void) printf("\t\tnext_clones_obj = %llu\n",
|
|
(u_longlong_t)ds->ds_next_clones_obj);
|
|
(void) printf("\t\tprops_obj = %llu\n",
|
|
(u_longlong_t)ds->ds_props_obj);
|
|
(void) printf("\t\tbp = %s\n", blkbuf);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
|
|
{
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
|
|
if (bp->blk_birth != 0) {
|
|
snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
|
|
(void) printf("\t%s\n", blkbuf);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
dump_bptree(objset_t *os, uint64_t obj, const char *name)
|
|
{
|
|
char bytes[32];
|
|
bptree_phys_t *bt;
|
|
dmu_buf_t *db;
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
|
|
|
|
if (dump_opt['d'] < 3)
|
|
return;
|
|
|
|
VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
|
|
bt = db->db_data;
|
|
zdb_nicenum(bt->bt_bytes, bytes, sizeof (bytes));
|
|
(void) printf("\n %s: %llu datasets, %s\n",
|
|
name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
|
|
dmu_buf_rele(db, FTAG);
|
|
|
|
if (dump_opt['d'] < 5)
|
|
return;
|
|
|
|
(void) printf("\n");
|
|
|
|
(void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
dump_bpobj_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed, dmu_tx_t *tx)
|
|
{
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
|
|
ASSERT(bp->blk_birth != 0);
|
|
snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp, bp_freed);
|
|
(void) printf("\t%s\n", blkbuf);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
dump_full_bpobj(bpobj_t *bpo, const char *name, int indent)
|
|
{
|
|
char bytes[32];
|
|
char comp[32];
|
|
char uncomp[32];
|
|
uint64_t i;
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
|
|
|
|
if (dump_opt['d'] < 3)
|
|
return;
|
|
|
|
zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes, sizeof (bytes));
|
|
if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
|
|
zdb_nicenum(bpo->bpo_phys->bpo_comp, comp, sizeof (comp));
|
|
zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp, sizeof (uncomp));
|
|
if (bpo->bpo_havefreed) {
|
|
(void) printf(" %*s: object %llu, %llu local "
|
|
"blkptrs, %llu freed, %llu subobjs in object %llu, "
|
|
"%s (%s/%s comp)\n",
|
|
indent * 8, name,
|
|
(u_longlong_t)bpo->bpo_object,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_num_freed,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_subobjs,
|
|
bytes, comp, uncomp);
|
|
} else {
|
|
(void) printf(" %*s: object %llu, %llu local "
|
|
"blkptrs, %llu subobjs in object %llu, "
|
|
"%s (%s/%s comp)\n",
|
|
indent * 8, name,
|
|
(u_longlong_t)bpo->bpo_object,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_subobjs,
|
|
bytes, comp, uncomp);
|
|
}
|
|
|
|
for (i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
|
|
uint64_t subobj;
|
|
bpobj_t subbpo;
|
|
int error;
|
|
VERIFY0(dmu_read(bpo->bpo_os,
|
|
bpo->bpo_phys->bpo_subobjs,
|
|
i * sizeof (subobj), sizeof (subobj), &subobj, 0));
|
|
error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
|
|
if (error != 0) {
|
|
(void) printf("ERROR %u while trying to open "
|
|
"subobj id %llu\n",
|
|
error, (u_longlong_t)subobj);
|
|
continue;
|
|
}
|
|
dump_full_bpobj(&subbpo, "subobj", indent + 1);
|
|
bpobj_close(&subbpo);
|
|
}
|
|
} else {
|
|
if (bpo->bpo_havefreed) {
|
|
(void) printf(" %*s: object %llu, %llu blkptrs, "
|
|
"%llu freed, %s\n",
|
|
indent * 8, name,
|
|
(u_longlong_t)bpo->bpo_object,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_num_freed,
|
|
bytes);
|
|
} else {
|
|
(void) printf(" %*s: object %llu, %llu blkptrs, "
|
|
"%s\n",
|
|
indent * 8, name,
|
|
(u_longlong_t)bpo->bpo_object,
|
|
(u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
|
|
bytes);
|
|
}
|
|
}
|
|
|
|
if (dump_opt['d'] < 5)
|
|
return;
|
|
|
|
|
|
if (indent == 0) {
|
|
(void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
|
|
(void) printf("\n");
|
|
}
|
|
}
|
|
|
|
static int
|
|
dump_bookmark(dsl_pool_t *dp, char *name, boolean_t print_redact,
|
|
boolean_t print_list)
|
|
{
|
|
int err = 0;
|
|
zfs_bookmark_phys_t prop;
|
|
objset_t *mos = dp->dp_spa->spa_meta_objset;
|
|
err = dsl_bookmark_lookup(dp, name, NULL, &prop);
|
|
|
|
if (err != 0) {
|
|
return (err);
|
|
}
|
|
|
|
(void) printf("\t#%s: ", strchr(name, '#') + 1);
|
|
(void) printf("{guid: %llx creation_txg: %llu creation_time: "
|
|
"%llu redaction_obj: %llu}\n", (u_longlong_t)prop.zbm_guid,
|
|
(u_longlong_t)prop.zbm_creation_txg,
|
|
(u_longlong_t)prop.zbm_creation_time,
|
|
(u_longlong_t)prop.zbm_redaction_obj);
|
|
|
|
IMPLY(print_list, print_redact);
|
|
if (!print_redact || prop.zbm_redaction_obj == 0)
|
|
return (0);
|
|
|
|
redaction_list_t *rl;
|
|
VERIFY0(dsl_redaction_list_hold_obj(dp,
|
|
prop.zbm_redaction_obj, FTAG, &rl));
|
|
|
|
redaction_list_phys_t *rlp = rl->rl_phys;
|
|
(void) printf("\tRedacted:\n\t\tProgress: ");
|
|
if (rlp->rlp_last_object != UINT64_MAX ||
|
|
rlp->rlp_last_blkid != UINT64_MAX) {
|
|
(void) printf("%llu %llu (incomplete)\n",
|
|
(u_longlong_t)rlp->rlp_last_object,
|
|
(u_longlong_t)rlp->rlp_last_blkid);
|
|
} else {
|
|
(void) printf("complete\n");
|
|
}
|
|
(void) printf("\t\tSnapshots: [");
|
|
for (unsigned int i = 0; i < rlp->rlp_num_snaps; i++) {
|
|
if (i > 0)
|
|
(void) printf(", ");
|
|
(void) printf("%0llu",
|
|
(u_longlong_t)rlp->rlp_snaps[i]);
|
|
}
|
|
(void) printf("]\n\t\tLength: %llu\n",
|
|
(u_longlong_t)rlp->rlp_num_entries);
|
|
|
|
if (!print_list) {
|
|
dsl_redaction_list_rele(rl, FTAG);
|
|
return (0);
|
|
}
|
|
|
|
if (rlp->rlp_num_entries == 0) {
|
|
dsl_redaction_list_rele(rl, FTAG);
|
|
(void) printf("\t\tRedaction List: []\n\n");
|
|
return (0);
|
|
}
|
|
|
|
redact_block_phys_t *rbp_buf;
|
|
uint64_t size;
|
|
dmu_object_info_t doi;
|
|
|
|
VERIFY0(dmu_object_info(mos, prop.zbm_redaction_obj, &doi));
|
|
size = doi.doi_max_offset;
|
|
rbp_buf = kmem_alloc(size, KM_SLEEP);
|
|
|
|
err = dmu_read(mos, prop.zbm_redaction_obj, 0, size,
|
|
rbp_buf, 0);
|
|
if (err != 0) {
|
|
dsl_redaction_list_rele(rl, FTAG);
|
|
kmem_free(rbp_buf, size);
|
|
return (err);
|
|
}
|
|
|
|
(void) printf("\t\tRedaction List: [{object: %llx, offset: "
|
|
"%llx, blksz: %x, count: %llx}",
|
|
(u_longlong_t)rbp_buf[0].rbp_object,
|
|
(u_longlong_t)rbp_buf[0].rbp_blkid,
|
|
(uint_t)(redact_block_get_size(&rbp_buf[0])),
|
|
(u_longlong_t)redact_block_get_count(&rbp_buf[0]));
|
|
|
|
for (size_t i = 1; i < rlp->rlp_num_entries; i++) {
|
|
(void) printf(",\n\t\t{object: %llx, offset: %llx, "
|
|
"blksz: %x, count: %llx}",
|
|
(u_longlong_t)rbp_buf[i].rbp_object,
|
|
(u_longlong_t)rbp_buf[i].rbp_blkid,
|
|
(uint_t)(redact_block_get_size(&rbp_buf[i])),
|
|
(u_longlong_t)redact_block_get_count(&rbp_buf[i]));
|
|
}
|
|
dsl_redaction_list_rele(rl, FTAG);
|
|
kmem_free(rbp_buf, size);
|
|
(void) printf("]\n\n");
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
dump_bookmarks(objset_t *os, int verbosity)
|
|
{
|
|
zap_cursor_t zc;
|
|
zap_attribute_t attr;
|
|
dsl_dataset_t *ds = dmu_objset_ds(os);
|
|
dsl_pool_t *dp = spa_get_dsl(os->os_spa);
|
|
objset_t *mos = os->os_spa->spa_meta_objset;
|
|
if (verbosity < 4)
|
|
return;
|
|
dsl_pool_config_enter(dp, FTAG);
|
|
|
|
for (zap_cursor_init(&zc, mos, ds->ds_bookmarks_obj);
|
|
zap_cursor_retrieve(&zc, &attr) == 0;
|
|
zap_cursor_advance(&zc)) {
|
|
char osname[ZFS_MAX_DATASET_NAME_LEN];
|
|
char buf[ZFS_MAX_DATASET_NAME_LEN];
|
|
dmu_objset_name(os, osname);
|
|
VERIFY3S(0, <=, snprintf(buf, sizeof (buf), "%s#%s", osname,
|
|
attr.za_name));
|
|
(void) dump_bookmark(dp, buf, verbosity >= 5, verbosity >= 6);
|
|
}
|
|
zap_cursor_fini(&zc);
|
|
dsl_pool_config_exit(dp, FTAG);
|
|
}
|
|
|
|
static void
|
|
bpobj_count_refd(bpobj_t *bpo)
|
|
{
|
|
mos_obj_refd(bpo->bpo_object);
|
|
|
|
if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
|
|
mos_obj_refd(bpo->bpo_phys->bpo_subobjs);
|
|
for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
|
|
uint64_t subobj;
|
|
bpobj_t subbpo;
|
|
int error;
|
|
VERIFY0(dmu_read(bpo->bpo_os,
|
|
bpo->bpo_phys->bpo_subobjs,
|
|
i * sizeof (subobj), sizeof (subobj), &subobj, 0));
|
|
error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
|
|
if (error != 0) {
|
|
(void) printf("ERROR %u while trying to open "
|
|
"subobj id %llu\n",
|
|
error, (u_longlong_t)subobj);
|
|
continue;
|
|
}
|
|
bpobj_count_refd(&subbpo);
|
|
bpobj_close(&subbpo);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
dsl_deadlist_entry_count_refd(void *arg, dsl_deadlist_entry_t *dle)
|
|
{
|
|
spa_t *spa = arg;
|
|
uint64_t empty_bpobj = spa->spa_dsl_pool->dp_empty_bpobj;
|
|
if (dle->dle_bpobj.bpo_object != empty_bpobj)
|
|
bpobj_count_refd(&dle->dle_bpobj);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
dsl_deadlist_entry_dump(void *arg, dsl_deadlist_entry_t *dle)
|
|
{
|
|
ASSERT(arg == NULL);
|
|
if (dump_opt['d'] >= 5) {
|
|
char buf[128];
|
|
(void) snprintf(buf, sizeof (buf),
|
|
"mintxg %llu -> obj %llu",
|
|
(longlong_t)dle->dle_mintxg,
|
|
(longlong_t)dle->dle_bpobj.bpo_object);
|
|
|
|
dump_full_bpobj(&dle->dle_bpobj, buf, 0);
|
|
} else {
|
|
(void) printf("mintxg %llu -> obj %llu\n",
|
|
(longlong_t)dle->dle_mintxg,
|
|
(longlong_t)dle->dle_bpobj.bpo_object);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
dump_blkptr_list(dsl_deadlist_t *dl, char *name)
|
|
{
|
|
char bytes[32];
|
|
char comp[32];
|
|
char uncomp[32];
|
|
char entries[32];
|
|
spa_t *spa = dmu_objset_spa(dl->dl_os);
|
|
uint64_t empty_bpobj = spa->spa_dsl_pool->dp_empty_bpobj;
|
|
|
|
if (dl->dl_oldfmt) {
|
|
if (dl->dl_bpobj.bpo_object != empty_bpobj)
|
|
bpobj_count_refd(&dl->dl_bpobj);
|
|
} else {
|
|
mos_obj_refd(dl->dl_object);
|
|
dsl_deadlist_iterate(dl, dsl_deadlist_entry_count_refd, spa);
|
|
}
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (entries) >= NN_NUMBUF_SZ);
|
|
|
|
if (dump_opt['d'] < 3)
|
|
return;
|
|
|
|
if (dl->dl_oldfmt) {
|
|
dump_full_bpobj(&dl->dl_bpobj, "old-format deadlist", 0);
|
|
return;
|
|
}
|
|
|
|
zdb_nicenum(dl->dl_phys->dl_used, bytes, sizeof (bytes));
|
|
zdb_nicenum(dl->dl_phys->dl_comp, comp, sizeof (comp));
|
|
zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp, sizeof (uncomp));
|
|
zdb_nicenum(avl_numnodes(&dl->dl_tree), entries, sizeof (entries));
|
|
(void) printf("\n %s: %s (%s/%s comp), %s entries\n",
|
|
name, bytes, comp, uncomp, entries);
|
|
|
|
if (dump_opt['d'] < 4)
|
|
return;
|
|
|
|
(void) printf("\n");
|
|
|
|
dsl_deadlist_iterate(dl, dsl_deadlist_entry_dump, NULL);
|
|
}
|
|
|
|
static int
|
|
verify_dd_livelist(objset_t *os)
|
|
{
|
|
uint64_t ll_used, used, ll_comp, comp, ll_uncomp, uncomp;
|
|
dsl_pool_t *dp = spa_get_dsl(os->os_spa);
|
|
dsl_dir_t *dd = os->os_dsl_dataset->ds_dir;
|
|
|
|
ASSERT(!dmu_objset_is_snapshot(os));
|
|
if (!dsl_deadlist_is_open(&dd->dd_livelist))
|
|
return (0);
|
|
|
|
/* Iterate through the livelist to check for duplicates */
|
|
dsl_deadlist_iterate(&dd->dd_livelist, sublivelist_verify_lightweight,
|
|
NULL);
|
|
|
|
dsl_pool_config_enter(dp, FTAG);
|
|
dsl_deadlist_space(&dd->dd_livelist, &ll_used,
|
|
&ll_comp, &ll_uncomp);
|
|
|
|
dsl_dataset_t *origin_ds;
|
|
ASSERT(dsl_pool_config_held(dp));
|
|
VERIFY0(dsl_dataset_hold_obj(dp,
|
|
dsl_dir_phys(dd)->dd_origin_obj, FTAG, &origin_ds));
|
|
VERIFY0(dsl_dataset_space_written(origin_ds, os->os_dsl_dataset,
|
|
&used, &comp, &uncomp));
|
|
dsl_dataset_rele(origin_ds, FTAG);
|
|
dsl_pool_config_exit(dp, FTAG);
|
|
/*
|
|
* It's possible that the dataset's uncomp space is larger than the
|
|
* livelist's because livelists do not track embedded block pointers
|
|
*/
|
|
if (used != ll_used || comp != ll_comp || uncomp < ll_uncomp) {
|
|
char nice_used[32], nice_comp[32], nice_uncomp[32];
|
|
(void) printf("Discrepancy in space accounting:\n");
|
|
zdb_nicenum(used, nice_used, sizeof (nice_used));
|
|
zdb_nicenum(comp, nice_comp, sizeof (nice_comp));
|
|
zdb_nicenum(uncomp, nice_uncomp, sizeof (nice_uncomp));
|
|
(void) printf("dir: used %s, comp %s, uncomp %s\n",
|
|
nice_used, nice_comp, nice_uncomp);
|
|
zdb_nicenum(ll_used, nice_used, sizeof (nice_used));
|
|
zdb_nicenum(ll_comp, nice_comp, sizeof (nice_comp));
|
|
zdb_nicenum(ll_uncomp, nice_uncomp, sizeof (nice_uncomp));
|
|
(void) printf("livelist: used %s, comp %s, uncomp %s\n",
|
|
nice_used, nice_comp, nice_uncomp);
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static avl_tree_t idx_tree;
|
|
static avl_tree_t domain_tree;
|
|
static boolean_t fuid_table_loaded;
|
|
static objset_t *sa_os = NULL;
|
|
static sa_attr_type_t *sa_attr_table = NULL;
|
|
|
|
static int
|
|
open_objset(const char *path, void *tag, objset_t **osp)
|
|
{
|
|
int err;
|
|
uint64_t sa_attrs = 0;
|
|
uint64_t version = 0;
|
|
|
|
VERIFY3P(sa_os, ==, NULL);
|
|
/*
|
|
* We can't own an objset if it's redacted. Therefore, we do this
|
|
* dance: hold the objset, then acquire a long hold on its dataset, then
|
|
* release the pool (which is held as part of holding the objset).
|
|
*/
|
|
err = dmu_objset_hold(path, tag, osp);
|
|
if (err != 0) {
|
|
(void) fprintf(stderr, "failed to hold dataset '%s': %s\n",
|
|
path, strerror(err));
|
|
return (err);
|
|
}
|
|
dsl_dataset_long_hold(dmu_objset_ds(*osp), tag);
|
|
dsl_pool_rele(dmu_objset_pool(*osp), tag);
|
|
|
|
if (dmu_objset_type(*osp) == DMU_OST_ZFS && !(*osp)->os_encrypted) {
|
|
(void) zap_lookup(*osp, MASTER_NODE_OBJ, ZPL_VERSION_STR,
|
|
8, 1, &version);
|
|
if (version >= ZPL_VERSION_SA) {
|
|
(void) zap_lookup(*osp, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
|
|
8, 1, &sa_attrs);
|
|
}
|
|
err = sa_setup(*osp, sa_attrs, zfs_attr_table, ZPL_END,
|
|
&sa_attr_table);
|
|
if (err != 0) {
|
|
(void) fprintf(stderr, "sa_setup failed: %s\n",
|
|
strerror(err));
|
|
dsl_dataset_long_rele(dmu_objset_ds(*osp), tag);
|
|
dsl_dataset_rele(dmu_objset_ds(*osp), tag);
|
|
*osp = NULL;
|
|
}
|
|
}
|
|
sa_os = *osp;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
close_objset(objset_t *os, void *tag)
|
|
{
|
|
VERIFY3P(os, ==, sa_os);
|
|
if (os->os_sa != NULL)
|
|
sa_tear_down(os);
|
|
dsl_dataset_long_rele(dmu_objset_ds(os), tag);
|
|
dsl_dataset_rele(dmu_objset_ds(os), tag);
|
|
sa_attr_table = NULL;
|
|
sa_os = NULL;
|
|
}
|
|
|
|
static void
|
|
fuid_table_destroy(void)
|
|
{
|
|
if (fuid_table_loaded) {
|
|
zfs_fuid_table_destroy(&idx_tree, &domain_tree);
|
|
fuid_table_loaded = B_FALSE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* print uid or gid information.
|
|
* For normal POSIX id just the id is printed in decimal format.
|
|
* For CIFS files with FUID the fuid is printed in hex followed by
|
|
* the domain-rid string.
|
|
*/
|
|
static void
|
|
print_idstr(uint64_t id, const char *id_type)
|
|
{
|
|
if (FUID_INDEX(id)) {
|
|
char *domain;
|
|
|
|
domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
|
|
(void) printf("\t%s %llx [%s-%d]\n", id_type,
|
|
(u_longlong_t)id, domain, (int)FUID_RID(id));
|
|
} else {
|
|
(void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
|
|
{
|
|
uint32_t uid_idx, gid_idx;
|
|
|
|
uid_idx = FUID_INDEX(uid);
|
|
gid_idx = FUID_INDEX(gid);
|
|
|
|
/* Load domain table, if not already loaded */
|
|
if (!fuid_table_loaded && (uid_idx || gid_idx)) {
|
|
uint64_t fuid_obj;
|
|
|
|
/* first find the fuid object. It lives in the master node */
|
|
VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
|
|
8, 1, &fuid_obj) == 0);
|
|
zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
|
|
(void) zfs_fuid_table_load(os, fuid_obj,
|
|
&idx_tree, &domain_tree);
|
|
fuid_table_loaded = B_TRUE;
|
|
}
|
|
|
|
print_idstr(uid, "uid");
|
|
print_idstr(gid, "gid");
|
|
}
|
|
|
|
static void
|
|
dump_znode_sa_xattr(sa_handle_t *hdl)
|
|
{
|
|
nvlist_t *sa_xattr;
|
|
nvpair_t *elem = NULL;
|
|
int sa_xattr_size = 0;
|
|
int sa_xattr_entries = 0;
|
|
int error;
|
|
char *sa_xattr_packed;
|
|
|
|
error = sa_size(hdl, sa_attr_table[ZPL_DXATTR], &sa_xattr_size);
|
|
if (error || sa_xattr_size == 0)
|
|
return;
|
|
|
|
sa_xattr_packed = malloc(sa_xattr_size);
|
|
if (sa_xattr_packed == NULL)
|
|
return;
|
|
|
|
error = sa_lookup(hdl, sa_attr_table[ZPL_DXATTR],
|
|
sa_xattr_packed, sa_xattr_size);
|
|
if (error) {
|
|
free(sa_xattr_packed);
|
|
return;
|
|
}
|
|
|
|
error = nvlist_unpack(sa_xattr_packed, sa_xattr_size, &sa_xattr, 0);
|
|
if (error) {
|
|
free(sa_xattr_packed);
|
|
return;
|
|
}
|
|
|
|
while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL)
|
|
sa_xattr_entries++;
|
|
|
|
(void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
|
|
sa_xattr_size, sa_xattr_entries);
|
|
while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL) {
|
|
uchar_t *value;
|
|
uint_t cnt, idx;
|
|
|
|
(void) printf("\t\t%s = ", nvpair_name(elem));
|
|
nvpair_value_byte_array(elem, &value, &cnt);
|
|
for (idx = 0; idx < cnt; ++idx) {
|
|
if (isprint(value[idx]))
|
|
(void) putchar(value[idx]);
|
|
else
|
|
(void) printf("\\%3.3o", value[idx]);
|
|
}
|
|
(void) putchar('\n');
|
|
}
|
|
|
|
nvlist_free(sa_xattr);
|
|
free(sa_xattr_packed);
|
|
}
|
|
|
|
static void
|
|
dump_znode_symlink(sa_handle_t *hdl)
|
|
{
|
|
int sa_symlink_size = 0;
|
|
char linktarget[MAXPATHLEN];
|
|
linktarget[0] = '\0';
|
|
int error;
|
|
|
|
error = sa_size(hdl, sa_attr_table[ZPL_SYMLINK], &sa_symlink_size);
|
|
if (error || sa_symlink_size == 0) {
|
|
return;
|
|
}
|
|
if (sa_lookup(hdl, sa_attr_table[ZPL_SYMLINK],
|
|
&linktarget, sa_symlink_size) == 0)
|
|
(void) printf("\ttarget %s\n", linktarget);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
|
|
sa_handle_t *hdl;
|
|
uint64_t xattr, rdev, gen;
|
|
uint64_t uid, gid, mode, fsize, parent, links;
|
|
uint64_t pflags;
|
|
uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
|
|
time_t z_crtime, z_atime, z_mtime, z_ctime;
|
|
sa_bulk_attr_t bulk[12];
|
|
int idx = 0;
|
|
int error;
|
|
|
|
VERIFY3P(os, ==, sa_os);
|
|
if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
|
|
(void) printf("Failed to get handle for SA znode\n");
|
|
return;
|
|
}
|
|
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
|
|
&links, 8);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
|
|
&mode, 8);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
|
|
NULL, &parent, 8);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
|
|
&fsize, 8);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
|
|
acctm, 16);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
|
|
modtm, 16);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
|
|
crtm, 16);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
|
|
chgtm, 16);
|
|
SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
|
|
&pflags, 8);
|
|
|
|
if (sa_bulk_lookup(hdl, bulk, idx)) {
|
|
(void) sa_handle_destroy(hdl);
|
|
return;
|
|
}
|
|
|
|
z_crtime = (time_t)crtm[0];
|
|
z_atime = (time_t)acctm[0];
|
|
z_mtime = (time_t)modtm[0];
|
|
z_ctime = (time_t)chgtm[0];
|
|
|
|
if (dump_opt['d'] > 4) {
|
|
error = zfs_obj_to_path(os, object, path, sizeof (path));
|
|
if (error == ESTALE) {
|
|
(void) snprintf(path, sizeof (path), "on delete queue");
|
|
} else if (error != 0) {
|
|
leaked_objects++;
|
|
(void) snprintf(path, sizeof (path),
|
|
"path not found, possibly leaked");
|
|
}
|
|
(void) printf("\tpath %s\n", path);
|
|
}
|
|
|
|
if (S_ISLNK(mode))
|
|
dump_znode_symlink(hdl);
|
|
dump_uidgid(os, uid, gid);
|
|
(void) printf("\tatime %s", ctime(&z_atime));
|
|
(void) printf("\tmtime %s", ctime(&z_mtime));
|
|
(void) printf("\tctime %s", ctime(&z_ctime));
|
|
(void) printf("\tcrtime %s", ctime(&z_crtime));
|
|
(void) printf("\tgen %llu\n", (u_longlong_t)gen);
|
|
(void) printf("\tmode %llo\n", (u_longlong_t)mode);
|
|
(void) printf("\tsize %llu\n", (u_longlong_t)fsize);
|
|
(void) printf("\tparent %llu\n", (u_longlong_t)parent);
|
|
(void) printf("\tlinks %llu\n", (u_longlong_t)links);
|
|
(void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
|
|
if (dmu_objset_projectquota_enabled(os) && (pflags & ZFS_PROJID)) {
|
|
uint64_t projid;
|
|
|
|
if (sa_lookup(hdl, sa_attr_table[ZPL_PROJID], &projid,
|
|
sizeof (uint64_t)) == 0)
|
|
(void) printf("\tprojid %llu\n", (u_longlong_t)projid);
|
|
}
|
|
if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
|
|
sizeof (uint64_t)) == 0)
|
|
(void) printf("\txattr %llu\n", (u_longlong_t)xattr);
|
|
if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
|
|
sizeof (uint64_t)) == 0)
|
|
(void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
|
|
dump_znode_sa_xattr(hdl);
|
|
sa_handle_destroy(hdl);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
|
|
{
|
|
}
|
|
|
|
static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
|
|
dump_none, /* unallocated */
|
|
dump_zap, /* object directory */
|
|
dump_uint64, /* object array */
|
|
dump_none, /* packed nvlist */
|
|
dump_packed_nvlist, /* packed nvlist size */
|
|
dump_none, /* bpobj */
|
|
dump_bpobj, /* bpobj header */
|
|
dump_none, /* SPA space map header */
|
|
dump_none, /* SPA space map */
|
|
dump_none, /* ZIL intent log */
|
|
dump_dnode, /* DMU dnode */
|
|
dump_dmu_objset, /* DMU objset */
|
|
dump_dsl_dir, /* DSL directory */
|
|
dump_zap, /* DSL directory child map */
|
|
dump_zap, /* DSL dataset snap map */
|
|
dump_zap, /* DSL props */
|
|
dump_dsl_dataset, /* DSL dataset */
|
|
dump_znode, /* ZFS znode */
|
|
dump_acl, /* ZFS V0 ACL */
|
|
dump_uint8, /* ZFS plain file */
|
|
dump_zpldir, /* ZFS directory */
|
|
dump_zap, /* ZFS master node */
|
|
dump_zap, /* ZFS delete queue */
|
|
dump_uint8, /* zvol object */
|
|
dump_zap, /* zvol prop */
|
|
dump_uint8, /* other uint8[] */
|
|
dump_uint64, /* other uint64[] */
|
|
dump_zap, /* other ZAP */
|
|
dump_zap, /* persistent error log */
|
|
dump_uint8, /* SPA history */
|
|
dump_history_offsets, /* SPA history offsets */
|
|
dump_zap, /* Pool properties */
|
|
dump_zap, /* DSL permissions */
|
|
dump_acl, /* ZFS ACL */
|
|
dump_uint8, /* ZFS SYSACL */
|
|
dump_none, /* FUID nvlist */
|
|
dump_packed_nvlist, /* FUID nvlist size */
|
|
dump_zap, /* DSL dataset next clones */
|
|
dump_zap, /* DSL scrub queue */
|
|
dump_zap, /* ZFS user/group/project used */
|
|
dump_zap, /* ZFS user/group/project quota */
|
|
dump_zap, /* snapshot refcount tags */
|
|
dump_ddt_zap, /* DDT ZAP object */
|
|
dump_zap, /* DDT statistics */
|
|
dump_znode, /* SA object */
|
|
dump_zap, /* SA Master Node */
|
|
dump_sa_attrs, /* SA attribute registration */
|
|
dump_sa_layouts, /* SA attribute layouts */
|
|
dump_zap, /* DSL scrub translations */
|
|
dump_none, /* fake dedup BP */
|
|
dump_zap, /* deadlist */
|
|
dump_none, /* deadlist hdr */
|
|
dump_zap, /* dsl clones */
|
|
dump_bpobj_subobjs, /* bpobj subobjs */
|
|
dump_unknown, /* Unknown type, must be last */
|
|
};
|
|
|
|
static boolean_t
|
|
match_object_type(dmu_object_type_t obj_type, uint64_t flags)
|
|
{
|
|
boolean_t match = B_TRUE;
|
|
|
|
switch (obj_type) {
|
|
case DMU_OT_DIRECTORY_CONTENTS:
|
|
if (!(flags & ZOR_FLAG_DIRECTORY))
|
|
match = B_FALSE;
|
|
break;
|
|
case DMU_OT_PLAIN_FILE_CONTENTS:
|
|
if (!(flags & ZOR_FLAG_PLAIN_FILE))
|
|
match = B_FALSE;
|
|
break;
|
|
case DMU_OT_SPACE_MAP:
|
|
if (!(flags & ZOR_FLAG_SPACE_MAP))
|
|
match = B_FALSE;
|
|
break;
|
|
default:
|
|
if (strcmp(zdb_ot_name(obj_type), "zap") == 0) {
|
|
if (!(flags & ZOR_FLAG_ZAP))
|
|
match = B_FALSE;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* If all bits except some of the supported flags are
|
|
* set, the user combined the all-types flag (A) with
|
|
* a negated flag to exclude some types (e.g. A-f to
|
|
* show all object types except plain files).
|
|
*/
|
|
if ((flags | ZOR_SUPPORTED_FLAGS) != ZOR_FLAG_ALL_TYPES)
|
|
match = B_FALSE;
|
|
|
|
break;
|
|
}
|
|
|
|
return (match);
|
|
}
|
|
|
|
static void
|
|
dump_object(objset_t *os, uint64_t object, int verbosity,
|
|
boolean_t *print_header, uint64_t *dnode_slots_used, uint64_t flags)
|
|
{
|
|
dmu_buf_t *db = NULL;
|
|
dmu_object_info_t doi;
|
|
dnode_t *dn;
|
|
boolean_t dnode_held = B_FALSE;
|
|
void *bonus = NULL;
|
|
size_t bsize = 0;
|
|
char iblk[32], dblk[32], lsize[32], asize[32], fill[32], dnsize[32];
|
|
char bonus_size[32];
|
|
char aux[50];
|
|
int error;
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (iblk) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (dblk) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (bonus_size) >= NN_NUMBUF_SZ);
|
|
|
|
if (*print_header) {
|
|
(void) printf("\n%10s %3s %5s %5s %5s %6s %5s %6s %s\n",
|
|
"Object", "lvl", "iblk", "dblk", "dsize", "dnsize",
|
|
"lsize", "%full", "type");
|
|
*print_header = 0;
|
|
}
|
|
|
|
if (object == 0) {
|
|
dn = DMU_META_DNODE(os);
|
|
dmu_object_info_from_dnode(dn, &doi);
|
|
} else {
|
|
/*
|
|
* Encrypted datasets will have sensitive bonus buffers
|
|
* encrypted. Therefore we cannot hold the bonus buffer and
|
|
* must hold the dnode itself instead.
|
|
*/
|
|
error = dmu_object_info(os, object, &doi);
|
|
if (error)
|
|
fatal("dmu_object_info() failed, errno %u", error);
|
|
|
|
if (os->os_encrypted &&
|
|
DMU_OT_IS_ENCRYPTED(doi.doi_bonus_type)) {
|
|
error = dnode_hold(os, object, FTAG, &dn);
|
|
if (error)
|
|
fatal("dnode_hold() failed, errno %u", error);
|
|
dnode_held = B_TRUE;
|
|
} else {
|
|
error = dmu_bonus_hold(os, object, FTAG, &db);
|
|
if (error)
|
|
fatal("dmu_bonus_hold(%llu) failed, errno %u",
|
|
object, error);
|
|
bonus = db->db_data;
|
|
bsize = db->db_size;
|
|
dn = DB_DNODE((dmu_buf_impl_t *)db);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Default to showing all object types if no flags were specified.
|
|
*/
|
|
if (flags != 0 && flags != ZOR_FLAG_ALL_TYPES &&
|
|
!match_object_type(doi.doi_type, flags))
|
|
goto out;
|
|
|
|
if (dnode_slots_used)
|
|
*dnode_slots_used = doi.doi_dnodesize / DNODE_MIN_SIZE;
|
|
|
|
zdb_nicenum(doi.doi_metadata_block_size, iblk, sizeof (iblk));
|
|
zdb_nicenum(doi.doi_data_block_size, dblk, sizeof (dblk));
|
|
zdb_nicenum(doi.doi_max_offset, lsize, sizeof (lsize));
|
|
zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize, sizeof (asize));
|
|
zdb_nicenum(doi.doi_bonus_size, bonus_size, sizeof (bonus_size));
|
|
zdb_nicenum(doi.doi_dnodesize, dnsize, sizeof (dnsize));
|
|
(void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
|
|
doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
|
|
doi.doi_max_offset);
|
|
|
|
aux[0] = '\0';
|
|
|
|
if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
|
|
(void) snprintf(aux + strlen(aux), sizeof (aux) - strlen(aux),
|
|
" (K=%s)", ZDB_CHECKSUM_NAME(doi.doi_checksum));
|
|
}
|
|
|
|
if (doi.doi_compress == ZIO_COMPRESS_INHERIT &&
|
|
ZIO_COMPRESS_HASLEVEL(os->os_compress) && verbosity >= 6) {
|
|
const char *compname = NULL;
|
|
if (zfs_prop_index_to_string(ZFS_PROP_COMPRESSION,
|
|
ZIO_COMPRESS_RAW(os->os_compress, os->os_complevel),
|
|
&compname) == 0) {
|
|
(void) snprintf(aux + strlen(aux),
|
|
sizeof (aux) - strlen(aux), " (Z=inherit=%s)",
|
|
compname);
|
|
} else {
|
|
(void) snprintf(aux + strlen(aux),
|
|
sizeof (aux) - strlen(aux),
|
|
" (Z=inherit=%s-unknown)",
|
|
ZDB_COMPRESS_NAME(os->os_compress));
|
|
}
|
|
} else if (doi.doi_compress == ZIO_COMPRESS_INHERIT && verbosity >= 6) {
|
|
(void) snprintf(aux + strlen(aux), sizeof (aux) - strlen(aux),
|
|
" (Z=inherit=%s)", ZDB_COMPRESS_NAME(os->os_compress));
|
|
} else if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
|
|
(void) snprintf(aux + strlen(aux), sizeof (aux) - strlen(aux),
|
|
" (Z=%s)", ZDB_COMPRESS_NAME(doi.doi_compress));
|
|
}
|
|
|
|
(void) printf("%10lld %3u %5s %5s %5s %6s %5s %6s %s%s\n",
|
|
(u_longlong_t)object, doi.doi_indirection, iblk, dblk,
|
|
asize, dnsize, lsize, fill, zdb_ot_name(doi.doi_type), aux);
|
|
|
|
if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
|
|
(void) printf("%10s %3s %5s %5s %5s %5s %5s %6s %s\n",
|
|
"", "", "", "", "", "", bonus_size, "bonus",
|
|
zdb_ot_name(doi.doi_bonus_type));
|
|
}
|
|
|
|
if (verbosity >= 4) {
|
|
(void) printf("\tdnode flags: %s%s%s%s\n",
|
|
(dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
|
|
"USED_BYTES " : "",
|
|
(dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
|
|
"USERUSED_ACCOUNTED " : "",
|
|
(dn->dn_phys->dn_flags & DNODE_FLAG_USEROBJUSED_ACCOUNTED) ?
|
|
"USEROBJUSED_ACCOUNTED " : "",
|
|
(dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
|
|
"SPILL_BLKPTR" : "");
|
|
(void) printf("\tdnode maxblkid: %llu\n",
|
|
(longlong_t)dn->dn_phys->dn_maxblkid);
|
|
|
|
if (!dnode_held) {
|
|
object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os,
|
|
object, bonus, bsize);
|
|
} else {
|
|
(void) printf("\t\t(bonus encrypted)\n");
|
|
}
|
|
|
|
if (!os->os_encrypted || !DMU_OT_IS_ENCRYPTED(doi.doi_type)) {
|
|
object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object,
|
|
NULL, 0);
|
|
} else {
|
|
(void) printf("\t\t(object encrypted)\n");
|
|
}
|
|
|
|
*print_header = B_TRUE;
|
|
}
|
|
|
|
if (verbosity >= 5)
|
|
dump_indirect(dn);
|
|
|
|
if (verbosity >= 5) {
|
|
/*
|
|
* Report the list of segments that comprise the object.
|
|
*/
|
|
uint64_t start = 0;
|
|
uint64_t end;
|
|
uint64_t blkfill = 1;
|
|
int minlvl = 1;
|
|
|
|
if (dn->dn_type == DMU_OT_DNODE) {
|
|
minlvl = 0;
|
|
blkfill = DNODES_PER_BLOCK;
|
|
}
|
|
|
|
for (;;) {
|
|
char segsize[32];
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (segsize) >= NN_NUMBUF_SZ);
|
|
error = dnode_next_offset(dn,
|
|
0, &start, minlvl, blkfill, 0);
|
|
if (error)
|
|
break;
|
|
end = start;
|
|
error = dnode_next_offset(dn,
|
|
DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
|
|
zdb_nicenum(end - start, segsize, sizeof (segsize));
|
|
(void) printf("\t\tsegment [%016llx, %016llx)"
|
|
" size %5s\n", (u_longlong_t)start,
|
|
(u_longlong_t)end, segsize);
|
|
if (error)
|
|
break;
|
|
start = end;
|
|
}
|
|
}
|
|
|
|
out:
|
|
if (db != NULL)
|
|
dmu_buf_rele(db, FTAG);
|
|
if (dnode_held)
|
|
dnode_rele(dn, FTAG);
|
|
}
|
|
|
|
static void
|
|
count_dir_mos_objects(dsl_dir_t *dd)
|
|
{
|
|
mos_obj_refd(dd->dd_object);
|
|
mos_obj_refd(dsl_dir_phys(dd)->dd_child_dir_zapobj);
|
|
mos_obj_refd(dsl_dir_phys(dd)->dd_deleg_zapobj);
|
|
mos_obj_refd(dsl_dir_phys(dd)->dd_props_zapobj);
|
|
mos_obj_refd(dsl_dir_phys(dd)->dd_clones);
|
|
|
|
/*
|
|
* The dd_crypto_obj can be referenced by multiple dsl_dir's.
|
|
* Ignore the references after the first one.
|
|
*/
|
|
mos_obj_refd_multiple(dd->dd_crypto_obj);
|
|
}
|
|
|
|
static void
|
|
count_ds_mos_objects(dsl_dataset_t *ds)
|
|
{
|
|
mos_obj_refd(ds->ds_object);
|
|
mos_obj_refd(dsl_dataset_phys(ds)->ds_next_clones_obj);
|
|
mos_obj_refd(dsl_dataset_phys(ds)->ds_props_obj);
|
|
mos_obj_refd(dsl_dataset_phys(ds)->ds_userrefs_obj);
|
|
mos_obj_refd(dsl_dataset_phys(ds)->ds_snapnames_zapobj);
|
|
mos_obj_refd(ds->ds_bookmarks_obj);
|
|
|
|
if (!dsl_dataset_is_snapshot(ds)) {
|
|
count_dir_mos_objects(ds->ds_dir);
|
|
}
|
|
}
|
|
|
|
static const char *objset_types[DMU_OST_NUMTYPES] = {
|
|
"NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
|
|
|
|
/*
|
|
* Parse a string denoting a range of object IDs of the form
|
|
* <start>[:<end>[:flags]], and store the results in zor.
|
|
* Return 0 on success. On error, return 1 and update the msg
|
|
* pointer to point to a descriptive error message.
|
|
*/
|
|
static int
|
|
parse_object_range(char *range, zopt_object_range_t *zor, char **msg)
|
|
{
|
|
uint64_t flags = 0;
|
|
char *p, *s, *dup, *flagstr;
|
|
size_t len;
|
|
int i;
|
|
int rc = 0;
|
|
|
|
if (strchr(range, ':') == NULL) {
|
|
zor->zor_obj_start = strtoull(range, &p, 0);
|
|
if (*p != '\0') {
|
|
*msg = "Invalid characters in object ID";
|
|
rc = 1;
|
|
}
|
|
zor->zor_obj_end = zor->zor_obj_start;
|
|
return (rc);
|
|
}
|
|
|
|
if (strchr(range, ':') == range) {
|
|
*msg = "Invalid leading colon";
|
|
rc = 1;
|
|
return (rc);
|
|
}
|
|
|
|
len = strlen(range);
|
|
if (range[len - 1] == ':') {
|
|
*msg = "Invalid trailing colon";
|
|
rc = 1;
|
|
return (rc);
|
|
}
|
|
|
|
dup = strdup(range);
|
|
s = strtok(dup, ":");
|
|
zor->zor_obj_start = strtoull(s, &p, 0);
|
|
|
|
if (*p != '\0') {
|
|
*msg = "Invalid characters in start object ID";
|
|
rc = 1;
|
|
goto out;
|
|
}
|
|
|
|
s = strtok(NULL, ":");
|
|
zor->zor_obj_end = strtoull(s, &p, 0);
|
|
|
|
if (*p != '\0') {
|
|
*msg = "Invalid characters in end object ID";
|
|
rc = 1;
|
|
goto out;
|
|
}
|
|
|
|
if (zor->zor_obj_start > zor->zor_obj_end) {
|
|
*msg = "Start object ID may not exceed end object ID";
|
|
rc = 1;
|
|
goto out;
|
|
}
|
|
|
|
s = strtok(NULL, ":");
|
|
if (s == NULL) {
|
|
zor->zor_flags = ZOR_FLAG_ALL_TYPES;
|
|
goto out;
|
|
} else if (strtok(NULL, ":") != NULL) {
|
|
*msg = "Invalid colon-delimited field after flags";
|
|
rc = 1;
|
|
goto out;
|
|
}
|
|
|
|
flagstr = s;
|
|
for (i = 0; flagstr[i]; i++) {
|
|
int bit;
|
|
boolean_t negation = (flagstr[i] == '-');
|
|
|
|
if (negation) {
|
|
i++;
|
|
if (flagstr[i] == '\0') {
|
|
*msg = "Invalid trailing negation operator";
|
|
rc = 1;
|
|
goto out;
|
|
}
|
|
}
|
|
bit = flagbits[(uchar_t)flagstr[i]];
|
|
if (bit == 0) {
|
|
*msg = "Invalid flag";
|
|
rc = 1;
|
|
goto out;
|
|
}
|
|
if (negation)
|
|
flags &= ~bit;
|
|
else
|
|
flags |= bit;
|
|
}
|
|
zor->zor_flags = flags;
|
|
|
|
out:
|
|
free(dup);
|
|
return (rc);
|
|
}
|
|
|
|
static void
|
|
dump_objset(objset_t *os)
|
|
{
|
|
dmu_objset_stats_t dds = { 0 };
|
|
uint64_t object, object_count;
|
|
uint64_t refdbytes, usedobjs, scratch;
|
|
char numbuf[32];
|
|
char blkbuf[BP_SPRINTF_LEN + 20];
|
|
char osname[ZFS_MAX_DATASET_NAME_LEN];
|
|
const char *type = "UNKNOWN";
|
|
int verbosity = dump_opt['d'];
|
|
boolean_t print_header;
|
|
unsigned i;
|
|
int error;
|
|
uint64_t total_slots_used = 0;
|
|
uint64_t max_slot_used = 0;
|
|
uint64_t dnode_slots;
|
|
uint64_t obj_start;
|
|
uint64_t obj_end;
|
|
uint64_t flags;
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (numbuf) >= NN_NUMBUF_SZ);
|
|
|
|
dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
|
|
dmu_objset_fast_stat(os, &dds);
|
|
dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
|
|
|
|
print_header = B_TRUE;
|
|
|
|
if (dds.dds_type < DMU_OST_NUMTYPES)
|
|
type = objset_types[dds.dds_type];
|
|
|
|
if (dds.dds_type == DMU_OST_META) {
|
|
dds.dds_creation_txg = TXG_INITIAL;
|
|
usedobjs = BP_GET_FILL(os->os_rootbp);
|
|
refdbytes = dsl_dir_phys(os->os_spa->spa_dsl_pool->dp_mos_dir)->
|
|
dd_used_bytes;
|
|
} else {
|
|
dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
|
|
}
|
|
|
|
ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp));
|
|
|
|
zdb_nicenum(refdbytes, numbuf, sizeof (numbuf));
|
|
|
|
if (verbosity >= 4) {
|
|
(void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp ");
|
|
(void) snprintf_blkptr(blkbuf + strlen(blkbuf),
|
|
sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp);
|
|
} else {
|
|
blkbuf[0] = '\0';
|
|
}
|
|
|
|
dmu_objset_name(os, osname);
|
|
|
|
(void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
|
|
"%s, %llu objects%s%s\n",
|
|
osname, type, (u_longlong_t)dmu_objset_id(os),
|
|
(u_longlong_t)dds.dds_creation_txg,
|
|
numbuf, (u_longlong_t)usedobjs, blkbuf,
|
|
(dds.dds_inconsistent) ? " (inconsistent)" : "");
|
|
|
|
for (i = 0; i < zopt_object_args; i++) {
|
|
obj_start = zopt_object_ranges[i].zor_obj_start;
|
|
obj_end = zopt_object_ranges[i].zor_obj_end;
|
|
flags = zopt_object_ranges[i].zor_flags;
|
|
|
|
object = obj_start;
|
|
if (object == 0 || obj_start == obj_end)
|
|
dump_object(os, object, verbosity, &print_header, NULL,
|
|
flags);
|
|
else
|
|
object--;
|
|
|
|
while ((dmu_object_next(os, &object, B_FALSE, 0) == 0) &&
|
|
object <= obj_end) {
|
|
dump_object(os, object, verbosity, &print_header, NULL,
|
|
flags);
|
|
}
|
|
}
|
|
|
|
if (zopt_object_args > 0) {
|
|
(void) printf("\n");
|
|
return;
|
|
}
|
|
|
|
if (dump_opt['i'] != 0 || verbosity >= 2)
|
|
dump_intent_log(dmu_objset_zil(os));
|
|
|
|
if (dmu_objset_ds(os) != NULL) {
|
|
dsl_dataset_t *ds = dmu_objset_ds(os);
|
|
dump_blkptr_list(&ds->ds_deadlist, "Deadlist");
|
|
if (dsl_deadlist_is_open(&ds->ds_dir->dd_livelist) &&
|
|
!dmu_objset_is_snapshot(os)) {
|
|
dump_blkptr_list(&ds->ds_dir->dd_livelist, "Livelist");
|
|
if (verify_dd_livelist(os) != 0)
|
|
fatal("livelist is incorrect");
|
|
}
|
|
|
|
if (dsl_dataset_remap_deadlist_exists(ds)) {
|
|
(void) printf("ds_remap_deadlist:\n");
|
|
dump_blkptr_list(&ds->ds_remap_deadlist, "Deadlist");
|
|
}
|
|
count_ds_mos_objects(ds);
|
|
}
|
|
|
|
if (dmu_objset_ds(os) != NULL)
|
|
dump_bookmarks(os, verbosity);
|
|
|
|
if (verbosity < 2)
|
|
return;
|
|
|
|
if (BP_IS_HOLE(os->os_rootbp))
|
|
return;
|
|
|
|
dump_object(os, 0, verbosity, &print_header, NULL, 0);
|
|
object_count = 0;
|
|
if (DMU_USERUSED_DNODE(os) != NULL &&
|
|
DMU_USERUSED_DNODE(os)->dn_type != 0) {
|
|
dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header,
|
|
NULL, 0);
|
|
dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header,
|
|
NULL, 0);
|
|
}
|
|
|
|
if (DMU_PROJECTUSED_DNODE(os) != NULL &&
|
|
DMU_PROJECTUSED_DNODE(os)->dn_type != 0)
|
|
dump_object(os, DMU_PROJECTUSED_OBJECT, verbosity,
|
|
&print_header, NULL, 0);
|
|
|
|
object = 0;
|
|
while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
|
|
dump_object(os, object, verbosity, &print_header, &dnode_slots,
|
|
0);
|
|
object_count++;
|
|
total_slots_used += dnode_slots;
|
|
max_slot_used = object + dnode_slots - 1;
|
|
}
|
|
|
|
(void) printf("\n");
|
|
|
|
(void) printf(" Dnode slots:\n");
|
|
(void) printf("\tTotal used: %10llu\n",
|
|
(u_longlong_t)total_slots_used);
|
|
(void) printf("\tMax used: %10llu\n",
|
|
(u_longlong_t)max_slot_used);
|
|
(void) printf("\tPercent empty: %10lf\n",
|
|
(double)(max_slot_used - total_slots_used)*100 /
|
|
(double)max_slot_used);
|
|
(void) printf("\n");
|
|
|
|
if (error != ESRCH) {
|
|
(void) fprintf(stderr, "dmu_object_next() = %d\n", error);
|
|
abort();
|
|
}
|
|
|
|
ASSERT3U(object_count, ==, usedobjs);
|
|
|
|
if (leaked_objects != 0) {
|
|
(void) printf("%d potentially leaked objects detected\n",
|
|
leaked_objects);
|
|
leaked_objects = 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
|
|
{
|
|
time_t timestamp = ub->ub_timestamp;
|
|
|
|
(void) printf("%s", header ? header : "");
|
|
(void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
|
|
(void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
|
|
(void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
|
|
(void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
|
|
(void) printf("\ttimestamp = %llu UTC = %s",
|
|
(u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
|
|
|
|
(void) printf("\tmmp_magic = %016llx\n",
|
|
(u_longlong_t)ub->ub_mmp_magic);
|
|
if (MMP_VALID(ub)) {
|
|
(void) printf("\tmmp_delay = %0llu\n",
|
|
(u_longlong_t)ub->ub_mmp_delay);
|
|
if (MMP_SEQ_VALID(ub))
|
|
(void) printf("\tmmp_seq = %u\n",
|
|
(unsigned int) MMP_SEQ(ub));
|
|
if (MMP_FAIL_INT_VALID(ub))
|
|
(void) printf("\tmmp_fail = %u\n",
|
|
(unsigned int) MMP_FAIL_INT(ub));
|
|
if (MMP_INTERVAL_VALID(ub))
|
|
(void) printf("\tmmp_write = %u\n",
|
|
(unsigned int) MMP_INTERVAL(ub));
|
|
/* After MMP_* to make summarize_uberblock_mmp cleaner */
|
|
(void) printf("\tmmp_valid = %x\n",
|
|
(unsigned int) ub->ub_mmp_config & 0xFF);
|
|
}
|
|
|
|
if (dump_opt['u'] >= 4) {
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp);
|
|
(void) printf("\trootbp = %s\n", blkbuf);
|
|
}
|
|
(void) printf("\tcheckpoint_txg = %llu\n",
|
|
(u_longlong_t)ub->ub_checkpoint_txg);
|
|
(void) printf("%s", footer ? footer : "");
|
|
}
|
|
|
|
static void
|
|
dump_config(spa_t *spa)
|
|
{
|
|
dmu_buf_t *db;
|
|
size_t nvsize = 0;
|
|
int error = 0;
|
|
|
|
|
|
error = dmu_bonus_hold(spa->spa_meta_objset,
|
|
spa->spa_config_object, FTAG, &db);
|
|
|
|
if (error == 0) {
|
|
nvsize = *(uint64_t *)db->db_data;
|
|
dmu_buf_rele(db, FTAG);
|
|
|
|
(void) printf("\nMOS Configuration:\n");
|
|
dump_packed_nvlist(spa->spa_meta_objset,
|
|
spa->spa_config_object, (void *)&nvsize, 1);
|
|
} else {
|
|
(void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
|
|
(u_longlong_t)spa->spa_config_object, error);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dump_cachefile(const char *cachefile)
|
|
{
|
|
int fd;
|
|
struct stat64 statbuf;
|
|
char *buf;
|
|
nvlist_t *config;
|
|
|
|
if ((fd = open64(cachefile, O_RDONLY)) < 0) {
|
|
(void) printf("cannot open '%s': %s\n", cachefile,
|
|
strerror(errno));
|
|
exit(1);
|
|
}
|
|
|
|
if (fstat64(fd, &statbuf) != 0) {
|
|
(void) printf("failed to stat '%s': %s\n", cachefile,
|
|
strerror(errno));
|
|
exit(1);
|
|
}
|
|
|
|
if ((buf = malloc(statbuf.st_size)) == NULL) {
|
|
(void) fprintf(stderr, "failed to allocate %llu bytes\n",
|
|
(u_longlong_t)statbuf.st_size);
|
|
exit(1);
|
|
}
|
|
|
|
if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
|
|
(void) fprintf(stderr, "failed to read %llu bytes\n",
|
|
(u_longlong_t)statbuf.st_size);
|
|
exit(1);
|
|
}
|
|
|
|
(void) close(fd);
|
|
|
|
if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
|
|
(void) fprintf(stderr, "failed to unpack nvlist\n");
|
|
exit(1);
|
|
}
|
|
|
|
free(buf);
|
|
|
|
dump_nvlist(config, 0);
|
|
|
|
nvlist_free(config);
|
|
}
|
|
|
|
/*
|
|
* ZFS label nvlist stats
|
|
*/
|
|
typedef struct zdb_nvl_stats {
|
|
int zns_list_count;
|
|
int zns_leaf_count;
|
|
size_t zns_leaf_largest;
|
|
size_t zns_leaf_total;
|
|
nvlist_t *zns_string;
|
|
nvlist_t *zns_uint64;
|
|
nvlist_t *zns_boolean;
|
|
} zdb_nvl_stats_t;
|
|
|
|
static void
|
|
collect_nvlist_stats(nvlist_t *nvl, zdb_nvl_stats_t *stats)
|
|
{
|
|
nvlist_t *list, **array;
|
|
nvpair_t *nvp = NULL;
|
|
char *name;
|
|
uint_t i, items;
|
|
|
|
stats->zns_list_count++;
|
|
|
|
while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
|
|
name = nvpair_name(nvp);
|
|
|
|
switch (nvpair_type(nvp)) {
|
|
case DATA_TYPE_STRING:
|
|
fnvlist_add_string(stats->zns_string, name,
|
|
fnvpair_value_string(nvp));
|
|
break;
|
|
case DATA_TYPE_UINT64:
|
|
fnvlist_add_uint64(stats->zns_uint64, name,
|
|
fnvpair_value_uint64(nvp));
|
|
break;
|
|
case DATA_TYPE_BOOLEAN:
|
|
fnvlist_add_boolean(stats->zns_boolean, name);
|
|
break;
|
|
case DATA_TYPE_NVLIST:
|
|
if (nvpair_value_nvlist(nvp, &list) == 0)
|
|
collect_nvlist_stats(list, stats);
|
|
break;
|
|
case DATA_TYPE_NVLIST_ARRAY:
|
|
if (nvpair_value_nvlist_array(nvp, &array, &items) != 0)
|
|
break;
|
|
|
|
for (i = 0; i < items; i++) {
|
|
collect_nvlist_stats(array[i], stats);
|
|
|
|
/* collect stats on leaf vdev */
|
|
if (strcmp(name, "children") == 0) {
|
|
size_t size;
|
|
|
|
(void) nvlist_size(array[i], &size,
|
|
NV_ENCODE_XDR);
|
|
stats->zns_leaf_total += size;
|
|
if (size > stats->zns_leaf_largest)
|
|
stats->zns_leaf_largest = size;
|
|
stats->zns_leaf_count++;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
(void) printf("skip type %d!\n", (int)nvpair_type(nvp));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
dump_nvlist_stats(nvlist_t *nvl, size_t cap)
|
|
{
|
|
zdb_nvl_stats_t stats = { 0 };
|
|
size_t size, sum = 0, total;
|
|
size_t noise;
|
|
|
|
/* requires nvlist with non-unique names for stat collection */
|
|
VERIFY0(nvlist_alloc(&stats.zns_string, 0, 0));
|
|
VERIFY0(nvlist_alloc(&stats.zns_uint64, 0, 0));
|
|
VERIFY0(nvlist_alloc(&stats.zns_boolean, 0, 0));
|
|
VERIFY0(nvlist_size(stats.zns_boolean, &noise, NV_ENCODE_XDR));
|
|
|
|
(void) printf("\n\nZFS Label NVList Config Stats:\n");
|
|
|
|
VERIFY0(nvlist_size(nvl, &total, NV_ENCODE_XDR));
|
|
(void) printf(" %d bytes used, %d bytes free (using %4.1f%%)\n\n",
|
|
(int)total, (int)(cap - total), 100.0 * total / cap);
|
|
|
|
collect_nvlist_stats(nvl, &stats);
|
|
|
|
VERIFY0(nvlist_size(stats.zns_uint64, &size, NV_ENCODE_XDR));
|
|
size -= noise;
|
|
sum += size;
|
|
(void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "integers:",
|
|
(int)fnvlist_num_pairs(stats.zns_uint64),
|
|
(int)size, 100.0 * size / total);
|
|
|
|
VERIFY0(nvlist_size(stats.zns_string, &size, NV_ENCODE_XDR));
|
|
size -= noise;
|
|
sum += size;
|
|
(void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "strings:",
|
|
(int)fnvlist_num_pairs(stats.zns_string),
|
|
(int)size, 100.0 * size / total);
|
|
|
|
VERIFY0(nvlist_size(stats.zns_boolean, &size, NV_ENCODE_XDR));
|
|
size -= noise;
|
|
sum += size;
|
|
(void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "booleans:",
|
|
(int)fnvlist_num_pairs(stats.zns_boolean),
|
|
(int)size, 100.0 * size / total);
|
|
|
|
size = total - sum; /* treat remainder as nvlist overhead */
|
|
(void) printf("%12s %4d %6d bytes (%5.2f%%)\n\n", "nvlists:",
|
|
stats.zns_list_count, (int)size, 100.0 * size / total);
|
|
|
|
if (stats.zns_leaf_count > 0) {
|
|
size_t average = stats.zns_leaf_total / stats.zns_leaf_count;
|
|
|
|
(void) printf("%12s %4d %6d bytes average\n", "leaf vdevs:",
|
|
stats.zns_leaf_count, (int)average);
|
|
(void) printf("%24d bytes largest\n",
|
|
(int)stats.zns_leaf_largest);
|
|
|
|
if (dump_opt['l'] >= 3 && average > 0)
|
|
(void) printf(" space for %d additional leaf vdevs\n",
|
|
(int)((cap - total) / average));
|
|
}
|
|
(void) printf("\n");
|
|
|
|
nvlist_free(stats.zns_string);
|
|
nvlist_free(stats.zns_uint64);
|
|
nvlist_free(stats.zns_boolean);
|
|
}
|
|
|
|
typedef struct cksum_record {
|
|
zio_cksum_t cksum;
|
|
boolean_t labels[VDEV_LABELS];
|
|
avl_node_t link;
|
|
} cksum_record_t;
|
|
|
|
static int
|
|
cksum_record_compare(const void *x1, const void *x2)
|
|
{
|
|
const cksum_record_t *l = (cksum_record_t *)x1;
|
|
const cksum_record_t *r = (cksum_record_t *)x2;
|
|
int arraysize = ARRAY_SIZE(l->cksum.zc_word);
|
|
int difference;
|
|
|
|
for (int i = 0; i < arraysize; i++) {
|
|
difference = TREE_CMP(l->cksum.zc_word[i], r->cksum.zc_word[i]);
|
|
if (difference)
|
|
break;
|
|
}
|
|
|
|
return (difference);
|
|
}
|
|
|
|
static cksum_record_t *
|
|
cksum_record_alloc(zio_cksum_t *cksum, int l)
|
|
{
|
|
cksum_record_t *rec;
|
|
|
|
rec = umem_zalloc(sizeof (*rec), UMEM_NOFAIL);
|
|
rec->cksum = *cksum;
|
|
rec->labels[l] = B_TRUE;
|
|
|
|
return (rec);
|
|
}
|
|
|
|
static cksum_record_t *
|
|
cksum_record_lookup(avl_tree_t *tree, zio_cksum_t *cksum)
|
|
{
|
|
cksum_record_t lookup = { .cksum = *cksum };
|
|
avl_index_t where;
|
|
|
|
return (avl_find(tree, &lookup, &where));
|
|
}
|
|
|
|
static cksum_record_t *
|
|
cksum_record_insert(avl_tree_t *tree, zio_cksum_t *cksum, int l)
|
|
{
|
|
cksum_record_t *rec;
|
|
|
|
rec = cksum_record_lookup(tree, cksum);
|
|
if (rec) {
|
|
rec->labels[l] = B_TRUE;
|
|
} else {
|
|
rec = cksum_record_alloc(cksum, l);
|
|
avl_add(tree, rec);
|
|
}
|
|
|
|
return (rec);
|
|
}
|
|
|
|
static int
|
|
first_label(cksum_record_t *rec)
|
|
{
|
|
for (int i = 0; i < VDEV_LABELS; i++)
|
|
if (rec->labels[i])
|
|
return (i);
|
|
|
|
return (-1);
|
|
}
|
|
|
|
static void
|
|
print_label_numbers(char *prefix, cksum_record_t *rec)
|
|
{
|
|
printf("%s", prefix);
|
|
for (int i = 0; i < VDEV_LABELS; i++)
|
|
if (rec->labels[i] == B_TRUE)
|
|
printf("%d ", i);
|
|
printf("\n");
|
|
}
|
|
|
|
#define MAX_UBERBLOCK_COUNT (VDEV_UBERBLOCK_RING >> UBERBLOCK_SHIFT)
|
|
|
|
typedef struct zdb_label {
|
|
vdev_label_t label;
|
|
nvlist_t *config_nv;
|
|
cksum_record_t *config;
|
|
cksum_record_t *uberblocks[MAX_UBERBLOCK_COUNT];
|
|
boolean_t header_printed;
|
|
boolean_t read_failed;
|
|
} zdb_label_t;
|
|
|
|
static void
|
|
print_label_header(zdb_label_t *label, int l)
|
|
{
|
|
|
|
if (dump_opt['q'])
|
|
return;
|
|
|
|
if (label->header_printed == B_TRUE)
|
|
return;
|
|
|
|
(void) printf("------------------------------------\n");
|
|
(void) printf("LABEL %d\n", l);
|
|
(void) printf("------------------------------------\n");
|
|
|
|
label->header_printed = B_TRUE;
|
|
}
|
|
|
|
static void
|
|
print_l2arc_header(void)
|
|
{
|
|
(void) printf("------------------------------------\n");
|
|
(void) printf("L2ARC device header\n");
|
|
(void) printf("------------------------------------\n");
|
|
}
|
|
|
|
static void
|
|
print_l2arc_log_blocks(void)
|
|
{
|
|
(void) printf("------------------------------------\n");
|
|
(void) printf("L2ARC device log blocks\n");
|
|
(void) printf("------------------------------------\n");
|
|
}
|
|
|
|
static void
|
|
dump_l2arc_log_entries(uint64_t log_entries,
|
|
l2arc_log_ent_phys_t *le, uint64_t i)
|
|
{
|
|
for (int j = 0; j < log_entries; j++) {
|
|
dva_t dva = le[j].le_dva;
|
|
(void) printf("lb[%4llu]\tle[%4d]\tDVA asize: %llu, "
|
|
"vdev: %llu, offset: %llu\n",
|
|
(u_longlong_t)i, j + 1,
|
|
(u_longlong_t)DVA_GET_ASIZE(&dva),
|
|
(u_longlong_t)DVA_GET_VDEV(&dva),
|
|
(u_longlong_t)DVA_GET_OFFSET(&dva));
|
|
(void) printf("|\t\t\t\tbirth: %llu\n",
|
|
(u_longlong_t)le[j].le_birth);
|
|
(void) printf("|\t\t\t\tlsize: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_LSIZE((&le[j])->le_prop));
|
|
(void) printf("|\t\t\t\tpsize: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_PSIZE((&le[j])->le_prop));
|
|
(void) printf("|\t\t\t\tcompr: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_COMPRESS((&le[j])->le_prop));
|
|
(void) printf("|\t\t\t\tcomplevel: %llu\n",
|
|
(u_longlong_t)(&le[j])->le_complevel);
|
|
(void) printf("|\t\t\t\ttype: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_TYPE((&le[j])->le_prop));
|
|
(void) printf("|\t\t\t\tprotected: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_PROTECTED((&le[j])->le_prop));
|
|
(void) printf("|\t\t\t\tprefetch: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_PREFETCH((&le[j])->le_prop));
|
|
(void) printf("|\t\t\t\taddress: %llu\n",
|
|
(u_longlong_t)le[j].le_daddr);
|
|
(void) printf("|\n");
|
|
}
|
|
(void) printf("\n");
|
|
}
|
|
|
|
static void
|
|
dump_l2arc_log_blkptr(l2arc_log_blkptr_t lbps)
|
|
{
|
|
(void) printf("|\t\tdaddr: %llu\n", (u_longlong_t)lbps.lbp_daddr);
|
|
(void) printf("|\t\tpayload_asize: %llu\n",
|
|
(u_longlong_t)lbps.lbp_payload_asize);
|
|
(void) printf("|\t\tpayload_start: %llu\n",
|
|
(u_longlong_t)lbps.lbp_payload_start);
|
|
(void) printf("|\t\tlsize: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_LSIZE((&lbps)->lbp_prop));
|
|
(void) printf("|\t\tasize: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_PSIZE((&lbps)->lbp_prop));
|
|
(void) printf("|\t\tcompralgo: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_COMPRESS((&lbps)->lbp_prop));
|
|
(void) printf("|\t\tcksumalgo: %llu\n",
|
|
(u_longlong_t)L2BLK_GET_CHECKSUM((&lbps)->lbp_prop));
|
|
(void) printf("|\n\n");
|
|
}
|
|
|
|
static void
|
|
dump_l2arc_log_blocks(int fd, l2arc_dev_hdr_phys_t l2dhdr,
|
|
l2arc_dev_hdr_phys_t *rebuild)
|
|
{
|
|
l2arc_log_blk_phys_t this_lb;
|
|
uint64_t asize;
|
|
l2arc_log_blkptr_t lbps[2];
|
|
abd_t *abd;
|
|
zio_cksum_t cksum;
|
|
int failed = 0;
|
|
l2arc_dev_t dev;
|
|
|
|
if (!dump_opt['q'])
|
|
print_l2arc_log_blocks();
|
|
bcopy((&l2dhdr)->dh_start_lbps, lbps, sizeof (lbps));
|
|
|
|
dev.l2ad_evict = l2dhdr.dh_evict;
|
|
dev.l2ad_start = l2dhdr.dh_start;
|
|
dev.l2ad_end = l2dhdr.dh_end;
|
|
|
|
if (l2dhdr.dh_start_lbps[0].lbp_daddr == 0) {
|
|
/* no log blocks to read */
|
|
if (!dump_opt['q']) {
|
|
(void) printf("No log blocks to read\n");
|
|
(void) printf("\n");
|
|
}
|
|
return;
|
|
} else {
|
|
dev.l2ad_hand = lbps[0].lbp_daddr +
|
|
L2BLK_GET_PSIZE((&lbps[0])->lbp_prop);
|
|
}
|
|
|
|
dev.l2ad_first = !!(l2dhdr.dh_flags & L2ARC_DEV_HDR_EVICT_FIRST);
|
|
|
|
for (;;) {
|
|
if (!l2arc_log_blkptr_valid(&dev, &lbps[0]))
|
|
break;
|
|
|
|
/* L2BLK_GET_PSIZE returns aligned size for log blocks */
|
|
asize = L2BLK_GET_PSIZE((&lbps[0])->lbp_prop);
|
|
if (pread64(fd, &this_lb, asize, lbps[0].lbp_daddr) != asize) {
|
|
if (!dump_opt['q']) {
|
|
(void) printf("Error while reading next log "
|
|
"block\n\n");
|
|
}
|
|
break;
|
|
}
|
|
|
|
fletcher_4_native_varsize(&this_lb, asize, &cksum);
|
|
if (!ZIO_CHECKSUM_EQUAL(cksum, lbps[0].lbp_cksum)) {
|
|
failed++;
|
|
if (!dump_opt['q']) {
|
|
(void) printf("Invalid cksum\n");
|
|
dump_l2arc_log_blkptr(lbps[0]);
|
|
}
|
|
break;
|
|
}
|
|
|
|
switch (L2BLK_GET_COMPRESS((&lbps[0])->lbp_prop)) {
|
|
case ZIO_COMPRESS_OFF:
|
|
break;
|
|
default:
|
|
abd = abd_alloc_for_io(asize, B_TRUE);
|
|
abd_copy_from_buf_off(abd, &this_lb, 0, asize);
|
|
zio_decompress_data(L2BLK_GET_COMPRESS(
|
|
(&lbps[0])->lbp_prop), abd, &this_lb,
|
|
asize, sizeof (this_lb), NULL);
|
|
abd_free(abd);
|
|
break;
|
|
}
|
|
|
|
if (this_lb.lb_magic == BSWAP_64(L2ARC_LOG_BLK_MAGIC))
|
|
byteswap_uint64_array(&this_lb, sizeof (this_lb));
|
|
if (this_lb.lb_magic != L2ARC_LOG_BLK_MAGIC) {
|
|
if (!dump_opt['q'])
|
|
(void) printf("Invalid log block magic\n\n");
|
|
break;
|
|
}
|
|
|
|
rebuild->dh_lb_count++;
|
|
rebuild->dh_lb_asize += asize;
|
|
if (dump_opt['l'] > 1 && !dump_opt['q']) {
|
|
(void) printf("lb[%4llu]\tmagic: %llu\n",
|
|
(u_longlong_t)rebuild->dh_lb_count,
|
|
(u_longlong_t)this_lb.lb_magic);
|
|
dump_l2arc_log_blkptr(lbps[0]);
|
|
}
|
|
|
|
if (dump_opt['l'] > 2 && !dump_opt['q'])
|
|
dump_l2arc_log_entries(l2dhdr.dh_log_entries,
|
|
this_lb.lb_entries,
|
|
rebuild->dh_lb_count);
|
|
|
|
if (l2arc_range_check_overlap(lbps[1].lbp_payload_start,
|
|
lbps[0].lbp_payload_start, dev.l2ad_evict) &&
|
|
!dev.l2ad_first)
|
|
break;
|
|
|
|
lbps[0] = lbps[1];
|
|
lbps[1] = this_lb.lb_prev_lbp;
|
|
}
|
|
|
|
if (!dump_opt['q']) {
|
|
(void) printf("log_blk_count:\t %llu with valid cksum\n",
|
|
(u_longlong_t)rebuild->dh_lb_count);
|
|
(void) printf("\t\t %d with invalid cksum\n", failed);
|
|
(void) printf("log_blk_asize:\t %llu\n\n",
|
|
(u_longlong_t)rebuild->dh_lb_asize);
|
|
}
|
|
}
|
|
|
|
static int
|
|
dump_l2arc_header(int fd)
|
|
{
|
|
l2arc_dev_hdr_phys_t l2dhdr, rebuild;
|
|
int error = B_FALSE;
|
|
|
|
bzero(&l2dhdr, sizeof (l2dhdr));
|
|
bzero(&rebuild, sizeof (rebuild));
|
|
|
|
if (pread64(fd, &l2dhdr, sizeof (l2dhdr),
|
|
VDEV_LABEL_START_SIZE) != sizeof (l2dhdr)) {
|
|
error = B_TRUE;
|
|
} else {
|
|
if (l2dhdr.dh_magic == BSWAP_64(L2ARC_DEV_HDR_MAGIC))
|
|
byteswap_uint64_array(&l2dhdr, sizeof (l2dhdr));
|
|
|
|
if (l2dhdr.dh_magic != L2ARC_DEV_HDR_MAGIC)
|
|
error = B_TRUE;
|
|
}
|
|
|
|
if (error) {
|
|
(void) printf("L2ARC device header not found\n\n");
|
|
/* Do not return an error here for backward compatibility */
|
|
return (0);
|
|
} else if (!dump_opt['q']) {
|
|
print_l2arc_header();
|
|
|
|
(void) printf(" magic: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_magic);
|
|
(void) printf(" version: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_version);
|
|
(void) printf(" pool_guid: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_spa_guid);
|
|
(void) printf(" flags: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_flags);
|
|
(void) printf(" start_lbps[0]: %llu\n",
|
|
(u_longlong_t)
|
|
l2dhdr.dh_start_lbps[0].lbp_daddr);
|
|
(void) printf(" start_lbps[1]: %llu\n",
|
|
(u_longlong_t)
|
|
l2dhdr.dh_start_lbps[1].lbp_daddr);
|
|
(void) printf(" log_blk_ent: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_log_entries);
|
|
(void) printf(" start: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_start);
|
|
(void) printf(" end: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_end);
|
|
(void) printf(" evict: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_evict);
|
|
(void) printf(" lb_asize_refcount: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_lb_asize);
|
|
(void) printf(" lb_count_refcount: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_lb_count);
|
|
(void) printf(" trim_action_time: %llu\n",
|
|
(u_longlong_t)l2dhdr.dh_trim_action_time);
|
|
(void) printf(" trim_state: %llu\n\n",
|
|
(u_longlong_t)l2dhdr.dh_trim_state);
|
|
}
|
|
|
|
dump_l2arc_log_blocks(fd, l2dhdr, &rebuild);
|
|
/*
|
|
* The total aligned size of log blocks and the number of log blocks
|
|
* reported in the header of the device may be less than what zdb
|
|
* reports by dump_l2arc_log_blocks() which emulates l2arc_rebuild().
|
|
* This happens because dump_l2arc_log_blocks() lacks the memory
|
|
* pressure valve that l2arc_rebuild() has. Thus, if we are on a system
|
|
* with low memory, l2arc_rebuild will exit prematurely and dh_lb_asize
|
|
* and dh_lb_count will be lower to begin with than what exists on the
|
|
* device. This is normal and zdb should not exit with an error. The
|
|
* opposite case should never happen though, the values reported in the
|
|
* header should never be higher than what dump_l2arc_log_blocks() and
|
|
* l2arc_rebuild() report. If this happens there is a leak in the
|
|
* accounting of log blocks.
|
|
*/
|
|
if (l2dhdr.dh_lb_asize > rebuild.dh_lb_asize ||
|
|
l2dhdr.dh_lb_count > rebuild.dh_lb_count)
|
|
return (1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
dump_config_from_label(zdb_label_t *label, size_t buflen, int l)
|
|
{
|
|
if (dump_opt['q'])
|
|
return;
|
|
|
|
if ((dump_opt['l'] < 3) && (first_label(label->config) != l))
|
|
return;
|
|
|
|
print_label_header(label, l);
|
|
dump_nvlist(label->config_nv, 4);
|
|
print_label_numbers(" labels = ", label->config);
|
|
|
|
if (dump_opt['l'] >= 2)
|
|
dump_nvlist_stats(label->config_nv, buflen);
|
|
}
|
|
|
|
#define ZDB_MAX_UB_HEADER_SIZE 32
|
|
|
|
static void
|
|
dump_label_uberblocks(zdb_label_t *label, uint64_t ashift, int label_num)
|
|
{
|
|
|
|
vdev_t vd;
|
|
char header[ZDB_MAX_UB_HEADER_SIZE];
|
|
|
|
vd.vdev_ashift = ashift;
|
|
vd.vdev_top = &vd;
|
|
|
|
for (int i = 0; i < VDEV_UBERBLOCK_COUNT(&vd); i++) {
|
|
uint64_t uoff = VDEV_UBERBLOCK_OFFSET(&vd, i);
|
|
uberblock_t *ub = (void *)((char *)&label->label + uoff);
|
|
cksum_record_t *rec = label->uberblocks[i];
|
|
|
|
if (rec == NULL) {
|
|
if (dump_opt['u'] >= 2) {
|
|
print_label_header(label, label_num);
|
|
(void) printf(" Uberblock[%d] invalid\n", i);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if ((dump_opt['u'] < 3) && (first_label(rec) != label_num))
|
|
continue;
|
|
|
|
if ((dump_opt['u'] < 4) &&
|
|
(ub->ub_mmp_magic == MMP_MAGIC) && ub->ub_mmp_delay &&
|
|
(i >= VDEV_UBERBLOCK_COUNT(&vd) - MMP_BLOCKS_PER_LABEL))
|
|
continue;
|
|
|
|
print_label_header(label, label_num);
|
|
(void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
|
|
" Uberblock[%d]\n", i);
|
|
dump_uberblock(ub, header, "");
|
|
print_label_numbers(" labels = ", rec);
|
|
}
|
|
}
|
|
|
|
static char curpath[PATH_MAX];
|
|
|
|
/*
|
|
* Iterate through the path components, recursively passing
|
|
* current one's obj and remaining path until we find the obj
|
|
* for the last one.
|
|
*/
|
|
static int
|
|
dump_path_impl(objset_t *os, uint64_t obj, char *name)
|
|
{
|
|
int err;
|
|
boolean_t header = B_TRUE;
|
|
uint64_t child_obj;
|
|
char *s;
|
|
dmu_buf_t *db;
|
|
dmu_object_info_t doi;
|
|
|
|
if ((s = strchr(name, '/')) != NULL)
|
|
*s = '\0';
|
|
err = zap_lookup(os, obj, name, 8, 1, &child_obj);
|
|
|
|
(void) strlcat(curpath, name, sizeof (curpath));
|
|
|
|
if (err != 0) {
|
|
(void) fprintf(stderr, "failed to lookup %s: %s\n",
|
|
curpath, strerror(err));
|
|
return (err);
|
|
}
|
|
|
|
child_obj = ZFS_DIRENT_OBJ(child_obj);
|
|
err = sa_buf_hold(os, child_obj, FTAG, &db);
|
|
if (err != 0) {
|
|
(void) fprintf(stderr,
|
|
"failed to get SA dbuf for obj %llu: %s\n",
|
|
(u_longlong_t)child_obj, strerror(err));
|
|
return (EINVAL);
|
|
}
|
|
dmu_object_info_from_db(db, &doi);
|
|
sa_buf_rele(db, FTAG);
|
|
|
|
if (doi.doi_bonus_type != DMU_OT_SA &&
|
|
doi.doi_bonus_type != DMU_OT_ZNODE) {
|
|
(void) fprintf(stderr, "invalid bonus type %d for obj %llu\n",
|
|
doi.doi_bonus_type, (u_longlong_t)child_obj);
|
|
return (EINVAL);
|
|
}
|
|
|
|
if (dump_opt['v'] > 6) {
|
|
(void) printf("obj=%llu %s type=%d bonustype=%d\n",
|
|
(u_longlong_t)child_obj, curpath, doi.doi_type,
|
|
doi.doi_bonus_type);
|
|
}
|
|
|
|
(void) strlcat(curpath, "/", sizeof (curpath));
|
|
|
|
switch (doi.doi_type) {
|
|
case DMU_OT_DIRECTORY_CONTENTS:
|
|
if (s != NULL && *(s + 1) != '\0')
|
|
return (dump_path_impl(os, child_obj, s + 1));
|
|
/*FALLTHROUGH*/
|
|
case DMU_OT_PLAIN_FILE_CONTENTS:
|
|
dump_object(os, child_obj, dump_opt['v'], &header, NULL, 0);
|
|
return (0);
|
|
default:
|
|
(void) fprintf(stderr, "object %llu has non-file/directory "
|
|
"type %d\n", (u_longlong_t)obj, doi.doi_type);
|
|
break;
|
|
}
|
|
|
|
return (EINVAL);
|
|
}
|
|
|
|
/*
|
|
* Dump the blocks for the object specified by path inside the dataset.
|
|
*/
|
|
static int
|
|
dump_path(char *ds, char *path)
|
|
{
|
|
int err;
|
|
objset_t *os;
|
|
uint64_t root_obj;
|
|
|
|
err = open_objset(ds, FTAG, &os);
|
|
if (err != 0)
|
|
return (err);
|
|
|
|
err = zap_lookup(os, MASTER_NODE_OBJ, ZFS_ROOT_OBJ, 8, 1, &root_obj);
|
|
if (err != 0) {
|
|
(void) fprintf(stderr, "can't lookup root znode: %s\n",
|
|
strerror(err));
|
|
close_objset(os, FTAG);
|
|
return (EINVAL);
|
|
}
|
|
|
|
(void) snprintf(curpath, sizeof (curpath), "dataset=%s path=/", ds);
|
|
|
|
err = dump_path_impl(os, root_obj, path);
|
|
|
|
close_objset(os, FTAG);
|
|
return (err);
|
|
}
|
|
|
|
static int
|
|
dump_label(const char *dev)
|
|
{
|
|
char path[MAXPATHLEN];
|
|
zdb_label_t labels[VDEV_LABELS];
|
|
uint64_t psize, ashift, l2cache;
|
|
struct stat64 statbuf;
|
|
boolean_t config_found = B_FALSE;
|
|
boolean_t error = B_FALSE;
|
|
boolean_t read_l2arc_header = B_FALSE;
|
|
avl_tree_t config_tree;
|
|
avl_tree_t uberblock_tree;
|
|
void *node, *cookie;
|
|
int fd;
|
|
|
|
bzero(labels, sizeof (labels));
|
|
|
|
/*
|
|
* Check if we were given absolute path and use it as is.
|
|
* Otherwise if the provided vdev name doesn't point to a file,
|
|
* try prepending expected disk paths and partition numbers.
|
|
*/
|
|
(void) strlcpy(path, dev, sizeof (path));
|
|
if (dev[0] != '/' && stat64(path, &statbuf) != 0) {
|
|
int error;
|
|
|
|
error = zfs_resolve_shortname(dev, path, MAXPATHLEN);
|
|
if (error == 0 && zfs_dev_is_whole_disk(path)) {
|
|
if (zfs_append_partition(path, MAXPATHLEN) == -1)
|
|
error = ENOENT;
|
|
}
|
|
|
|
if (error || (stat64(path, &statbuf) != 0)) {
|
|
(void) printf("failed to find device %s, try "
|
|
"specifying absolute path instead\n", dev);
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
if ((fd = open64(path, O_RDONLY)) < 0) {
|
|
(void) printf("cannot open '%s': %s\n", path, strerror(errno));
|
|
exit(1);
|
|
}
|
|
|
|
if (fstat64_blk(fd, &statbuf) != 0) {
|
|
(void) printf("failed to stat '%s': %s\n", path,
|
|
strerror(errno));
|
|
(void) close(fd);
|
|
exit(1);
|
|
}
|
|
|
|
if (S_ISBLK(statbuf.st_mode) && zfs_dev_flush(fd) != 0)
|
|
(void) printf("failed to invalidate cache '%s' : %s\n", path,
|
|
strerror(errno));
|
|
|
|
avl_create(&config_tree, cksum_record_compare,
|
|
sizeof (cksum_record_t), offsetof(cksum_record_t, link));
|
|
avl_create(&uberblock_tree, cksum_record_compare,
|
|
sizeof (cksum_record_t), offsetof(cksum_record_t, link));
|
|
|
|
psize = statbuf.st_size;
|
|
psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
|
|
ashift = SPA_MINBLOCKSHIFT;
|
|
|
|
/*
|
|
* 1. Read the label from disk
|
|
* 2. Unpack the configuration and insert in config tree.
|
|
* 3. Traverse all uberblocks and insert in uberblock tree.
|
|
*/
|
|
for (int l = 0; l < VDEV_LABELS; l++) {
|
|
zdb_label_t *label = &labels[l];
|
|
char *buf = label->label.vl_vdev_phys.vp_nvlist;
|
|
size_t buflen = sizeof (label->label.vl_vdev_phys.vp_nvlist);
|
|
nvlist_t *config;
|
|
cksum_record_t *rec;
|
|
zio_cksum_t cksum;
|
|
vdev_t vd;
|
|
|
|
if (pread64(fd, &label->label, sizeof (label->label),
|
|
vdev_label_offset(psize, l, 0)) != sizeof (label->label)) {
|
|
if (!dump_opt['q'])
|
|
(void) printf("failed to read label %d\n", l);
|
|
label->read_failed = B_TRUE;
|
|
error = B_TRUE;
|
|
continue;
|
|
}
|
|
|
|
label->read_failed = B_FALSE;
|
|
|
|
if (nvlist_unpack(buf, buflen, &config, 0) == 0) {
|
|
nvlist_t *vdev_tree = NULL;
|
|
size_t size;
|
|
|
|
if ((nvlist_lookup_nvlist(config,
|
|
ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
|
|
(nvlist_lookup_uint64(vdev_tree,
|
|
ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
|
|
ashift = SPA_MINBLOCKSHIFT;
|
|
|
|
if (nvlist_size(config, &size, NV_ENCODE_XDR) != 0)
|
|
size = buflen;
|
|
|
|
/* If the device is a cache device clear the header. */
|
|
if (!read_l2arc_header) {
|
|
if (nvlist_lookup_uint64(config,
|
|
ZPOOL_CONFIG_POOL_STATE, &l2cache) == 0 &&
|
|
l2cache == POOL_STATE_L2CACHE) {
|
|
read_l2arc_header = B_TRUE;
|
|
}
|
|
}
|
|
|
|
fletcher_4_native_varsize(buf, size, &cksum);
|
|
rec = cksum_record_insert(&config_tree, &cksum, l);
|
|
|
|
label->config = rec;
|
|
label->config_nv = config;
|
|
config_found = B_TRUE;
|
|
} else {
|
|
error = B_TRUE;
|
|
}
|
|
|
|
vd.vdev_ashift = ashift;
|
|
vd.vdev_top = &vd;
|
|
|
|
for (int i = 0; i < VDEV_UBERBLOCK_COUNT(&vd); i++) {
|
|
uint64_t uoff = VDEV_UBERBLOCK_OFFSET(&vd, i);
|
|
uberblock_t *ub = (void *)((char *)label + uoff);
|
|
|
|
if (uberblock_verify(ub))
|
|
continue;
|
|
|
|
fletcher_4_native_varsize(ub, sizeof (*ub), &cksum);
|
|
rec = cksum_record_insert(&uberblock_tree, &cksum, l);
|
|
|
|
label->uberblocks[i] = rec;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dump the label and uberblocks.
|
|
*/
|
|
for (int l = 0; l < VDEV_LABELS; l++) {
|
|
zdb_label_t *label = &labels[l];
|
|
size_t buflen = sizeof (label->label.vl_vdev_phys.vp_nvlist);
|
|
|
|
if (label->read_failed == B_TRUE)
|
|
continue;
|
|
|
|
if (label->config_nv) {
|
|
dump_config_from_label(label, buflen, l);
|
|
} else {
|
|
if (!dump_opt['q'])
|
|
(void) printf("failed to unpack label %d\n", l);
|
|
}
|
|
|
|
if (dump_opt['u'])
|
|
dump_label_uberblocks(label, ashift, l);
|
|
|
|
nvlist_free(label->config_nv);
|
|
}
|
|
|
|
/*
|
|
* Dump the L2ARC header, if existent.
|
|
*/
|
|
if (read_l2arc_header)
|
|
error |= dump_l2arc_header(fd);
|
|
|
|
cookie = NULL;
|
|
while ((node = avl_destroy_nodes(&config_tree, &cookie)) != NULL)
|
|
umem_free(node, sizeof (cksum_record_t));
|
|
|
|
cookie = NULL;
|
|
while ((node = avl_destroy_nodes(&uberblock_tree, &cookie)) != NULL)
|
|
umem_free(node, sizeof (cksum_record_t));
|
|
|
|
avl_destroy(&config_tree);
|
|
avl_destroy(&uberblock_tree);
|
|
|
|
(void) close(fd);
|
|
|
|
return (config_found == B_FALSE ? 2 :
|
|
(error == B_TRUE ? 1 : 0));
|
|
}
|
|
|
|
static uint64_t dataset_feature_count[SPA_FEATURES];
|
|
static uint64_t global_feature_count[SPA_FEATURES];
|
|
static uint64_t remap_deadlist_count = 0;
|
|
|
|
/*ARGSUSED*/
|
|
static int
|
|
dump_one_objset(const char *dsname, void *arg)
|
|
{
|
|
int error;
|
|
objset_t *os;
|
|
spa_feature_t f;
|
|
|
|
error = open_objset(dsname, FTAG, &os);
|
|
if (error != 0)
|
|
return (0);
|
|
|
|
for (f = 0; f < SPA_FEATURES; f++) {
|
|
if (!dsl_dataset_feature_is_active(dmu_objset_ds(os), f))
|
|
continue;
|
|
ASSERT(spa_feature_table[f].fi_flags &
|
|
ZFEATURE_FLAG_PER_DATASET);
|
|
dataset_feature_count[f]++;
|
|
}
|
|
|
|
if (dsl_dataset_remap_deadlist_exists(dmu_objset_ds(os))) {
|
|
remap_deadlist_count++;
|
|
}
|
|
|
|
for (dsl_bookmark_node_t *dbn =
|
|
avl_first(&dmu_objset_ds(os)->ds_bookmarks); dbn != NULL;
|
|
dbn = AVL_NEXT(&dmu_objset_ds(os)->ds_bookmarks, dbn)) {
|
|
mos_obj_refd(dbn->dbn_phys.zbm_redaction_obj);
|
|
if (dbn->dbn_phys.zbm_redaction_obj != 0)
|
|
global_feature_count[SPA_FEATURE_REDACTION_BOOKMARKS]++;
|
|
if (dbn->dbn_phys.zbm_flags & ZBM_FLAG_HAS_FBN)
|
|
global_feature_count[SPA_FEATURE_BOOKMARK_WRITTEN]++;
|
|
}
|
|
|
|
if (dsl_deadlist_is_open(&dmu_objset_ds(os)->ds_dir->dd_livelist) &&
|
|
!dmu_objset_is_snapshot(os)) {
|
|
global_feature_count[SPA_FEATURE_LIVELIST]++;
|
|
}
|
|
|
|
dump_objset(os);
|
|
close_objset(os, FTAG);
|
|
fuid_table_destroy();
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Block statistics.
|
|
*/
|
|
#define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
|
|
typedef struct zdb_blkstats {
|
|
uint64_t zb_asize;
|
|
uint64_t zb_lsize;
|
|
uint64_t zb_psize;
|
|
uint64_t zb_count;
|
|
uint64_t zb_gangs;
|
|
uint64_t zb_ditto_samevdev;
|
|
uint64_t zb_ditto_same_ms;
|
|
uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE];
|
|
} zdb_blkstats_t;
|
|
|
|
/*
|
|
* Extended object types to report deferred frees and dedup auto-ditto blocks.
|
|
*/
|
|
#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
|
|
#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
|
|
#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
|
|
#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
|
|
|
|
static const char *zdb_ot_extname[] = {
|
|
"deferred free",
|
|
"dedup ditto",
|
|
"other",
|
|
"Total",
|
|
};
|
|
|
|
#define ZB_TOTAL DN_MAX_LEVELS
|
|
#define SPA_MAX_FOR_16M (SPA_MAXBLOCKSHIFT+1)
|
|
|
|
typedef struct zdb_cb {
|
|
zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
|
|
uint64_t zcb_removing_size;
|
|
uint64_t zcb_checkpoint_size;
|
|
uint64_t zcb_dedup_asize;
|
|
uint64_t zcb_dedup_blocks;
|
|
uint64_t zcb_psize_count[SPA_MAX_FOR_16M];
|
|
uint64_t zcb_lsize_count[SPA_MAX_FOR_16M];
|
|
uint64_t zcb_asize_count[SPA_MAX_FOR_16M];
|
|
uint64_t zcb_psize_len[SPA_MAX_FOR_16M];
|
|
uint64_t zcb_lsize_len[SPA_MAX_FOR_16M];
|
|
uint64_t zcb_asize_len[SPA_MAX_FOR_16M];
|
|
uint64_t zcb_psize_total;
|
|
uint64_t zcb_lsize_total;
|
|
uint64_t zcb_asize_total;
|
|
uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES];
|
|
uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES]
|
|
[BPE_PAYLOAD_SIZE + 1];
|
|
uint64_t zcb_start;
|
|
hrtime_t zcb_lastprint;
|
|
uint64_t zcb_totalasize;
|
|
uint64_t zcb_errors[256];
|
|
int zcb_readfails;
|
|
int zcb_haderrors;
|
|
spa_t *zcb_spa;
|
|
uint32_t **zcb_vd_obsolete_counts;
|
|
} zdb_cb_t;
|
|
|
|
/* test if two DVA offsets from same vdev are within the same metaslab */
|
|
static boolean_t
|
|
same_metaslab(spa_t *spa, uint64_t vdev, uint64_t off1, uint64_t off2)
|
|
{
|
|
vdev_t *vd = vdev_lookup_top(spa, vdev);
|
|
uint64_t ms_shift = vd->vdev_ms_shift;
|
|
|
|
return ((off1 >> ms_shift) == (off2 >> ms_shift));
|
|
}
|
|
|
|
/*
|
|
* Used to simplify reporting of the histogram data.
|
|
*/
|
|
typedef struct one_histo {
|
|
char *name;
|
|
uint64_t *count;
|
|
uint64_t *len;
|
|
uint64_t cumulative;
|
|
} one_histo_t;
|
|
|
|
/*
|
|
* The number of separate histograms processed for psize, lsize and asize.
|
|
*/
|
|
#define NUM_HISTO 3
|
|
|
|
/*
|
|
* This routine will create a fixed column size output of three different
|
|
* histograms showing by blocksize of 512 - 2^ SPA_MAX_FOR_16M
|
|
* the count, length and cumulative length of the psize, lsize and
|
|
* asize blocks.
|
|
*
|
|
* All three types of blocks are listed on a single line
|
|
*
|
|
* By default the table is printed in nicenumber format (e.g. 123K) but
|
|
* if the '-P' parameter is specified then the full raw number (parseable)
|
|
* is printed out.
|
|
*/
|
|
static void
|
|
dump_size_histograms(zdb_cb_t *zcb)
|
|
{
|
|
/*
|
|
* A temporary buffer that allows us to convert a number into
|
|
* a string using zdb_nicenumber to allow either raw or human
|
|
* readable numbers to be output.
|
|
*/
|
|
char numbuf[32];
|
|
|
|
/*
|
|
* Define titles which are used in the headers of the tables
|
|
* printed by this routine.
|
|
*/
|
|
const char blocksize_title1[] = "block";
|
|
const char blocksize_title2[] = "size";
|
|
const char count_title[] = "Count";
|
|
const char length_title[] = "Size";
|
|
const char cumulative_title[] = "Cum.";
|
|
|
|
/*
|
|
* Setup the histogram arrays (psize, lsize, and asize).
|
|
*/
|
|
one_histo_t parm_histo[NUM_HISTO];
|
|
|
|
parm_histo[0].name = "psize";
|
|
parm_histo[0].count = zcb->zcb_psize_count;
|
|
parm_histo[0].len = zcb->zcb_psize_len;
|
|
parm_histo[0].cumulative = 0;
|
|
|
|
parm_histo[1].name = "lsize";
|
|
parm_histo[1].count = zcb->zcb_lsize_count;
|
|
parm_histo[1].len = zcb->zcb_lsize_len;
|
|
parm_histo[1].cumulative = 0;
|
|
|
|
parm_histo[2].name = "asize";
|
|
parm_histo[2].count = zcb->zcb_asize_count;
|
|
parm_histo[2].len = zcb->zcb_asize_len;
|
|
parm_histo[2].cumulative = 0;
|
|
|
|
|
|
(void) printf("\nBlock Size Histogram\n");
|
|
/*
|
|
* Print the first line titles
|
|
*/
|
|
if (dump_opt['P'])
|
|
(void) printf("\n%s\t", blocksize_title1);
|
|
else
|
|
(void) printf("\n%7s ", blocksize_title1);
|
|
|
|
for (int j = 0; j < NUM_HISTO; j++) {
|
|
if (dump_opt['P']) {
|
|
if (j < NUM_HISTO - 1) {
|
|
(void) printf("%s\t\t\t", parm_histo[j].name);
|
|
} else {
|
|
/* Don't print trailing spaces */
|
|
(void) printf(" %s", parm_histo[j].name);
|
|
}
|
|
} else {
|
|
if (j < NUM_HISTO - 1) {
|
|
/* Left aligned strings in the output */
|
|
(void) printf("%-7s ",
|
|
parm_histo[j].name);
|
|
} else {
|
|
/* Don't print trailing spaces */
|
|
(void) printf("%s", parm_histo[j].name);
|
|
}
|
|
}
|
|
}
|
|
(void) printf("\n");
|
|
|
|
/*
|
|
* Print the second line titles
|
|
*/
|
|
if (dump_opt['P']) {
|
|
(void) printf("%s\t", blocksize_title2);
|
|
} else {
|
|
(void) printf("%7s ", blocksize_title2);
|
|
}
|
|
|
|
for (int i = 0; i < NUM_HISTO; i++) {
|
|
if (dump_opt['P']) {
|
|
(void) printf("%s\t%s\t%s\t",
|
|
count_title, length_title, cumulative_title);
|
|
} else {
|
|
(void) printf("%7s%7s%7s",
|
|
count_title, length_title, cumulative_title);
|
|
}
|
|
}
|
|
(void) printf("\n");
|
|
|
|
/*
|
|
* Print the rows
|
|
*/
|
|
for (int i = SPA_MINBLOCKSHIFT; i < SPA_MAX_FOR_16M; i++) {
|
|
|
|
/*
|
|
* Print the first column showing the blocksize
|
|
*/
|
|
zdb_nicenum((1ULL << i), numbuf, sizeof (numbuf));
|
|
|
|
if (dump_opt['P']) {
|
|
printf("%s", numbuf);
|
|
} else {
|
|
printf("%7s:", numbuf);
|
|
}
|
|
|
|
/*
|
|
* Print the remaining set of 3 columns per size:
|
|
* for psize, lsize and asize
|
|
*/
|
|
for (int j = 0; j < NUM_HISTO; j++) {
|
|
parm_histo[j].cumulative += parm_histo[j].len[i];
|
|
|
|
zdb_nicenum(parm_histo[j].count[i],
|
|
numbuf, sizeof (numbuf));
|
|
if (dump_opt['P'])
|
|
(void) printf("\t%s", numbuf);
|
|
else
|
|
(void) printf("%7s", numbuf);
|
|
|
|
zdb_nicenum(parm_histo[j].len[i],
|
|
numbuf, sizeof (numbuf));
|
|
if (dump_opt['P'])
|
|
(void) printf("\t%s", numbuf);
|
|
else
|
|
(void) printf("%7s", numbuf);
|
|
|
|
zdb_nicenum(parm_histo[j].cumulative,
|
|
numbuf, sizeof (numbuf));
|
|
if (dump_opt['P'])
|
|
(void) printf("\t%s", numbuf);
|
|
else
|
|
(void) printf("%7s", numbuf);
|
|
}
|
|
(void) printf("\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
|
|
dmu_object_type_t type)
|
|
{
|
|
uint64_t refcnt = 0;
|
|
int i;
|
|
|
|
ASSERT(type < ZDB_OT_TOTAL);
|
|
|
|
if (zilog && zil_bp_tree_add(zilog, bp) != 0)
|
|
return;
|
|
|
|
spa_config_enter(zcb->zcb_spa, SCL_CONFIG, FTAG, RW_READER);
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
|
|
int t = (i & 1) ? type : ZDB_OT_TOTAL;
|
|
int equal;
|
|
zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
|
|
|
|
zb->zb_asize += BP_GET_ASIZE(bp);
|
|
zb->zb_lsize += BP_GET_LSIZE(bp);
|
|
zb->zb_psize += BP_GET_PSIZE(bp);
|
|
zb->zb_count++;
|
|
|
|
/*
|
|
* The histogram is only big enough to record blocks up to
|
|
* SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
|
|
* "other", bucket.
|
|
*/
|
|
unsigned idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT;
|
|
idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1);
|
|
zb->zb_psize_histogram[idx]++;
|
|
|
|
zb->zb_gangs += BP_COUNT_GANG(bp);
|
|
|
|
switch (BP_GET_NDVAS(bp)) {
|
|
case 2:
|
|
if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
|
|
DVA_GET_VDEV(&bp->blk_dva[1])) {
|
|
zb->zb_ditto_samevdev++;
|
|
|
|
if (same_metaslab(zcb->zcb_spa,
|
|
DVA_GET_VDEV(&bp->blk_dva[0]),
|
|
DVA_GET_OFFSET(&bp->blk_dva[0]),
|
|
DVA_GET_OFFSET(&bp->blk_dva[1])))
|
|
zb->zb_ditto_same_ms++;
|
|
}
|
|
break;
|
|
case 3:
|
|
equal = (DVA_GET_VDEV(&bp->blk_dva[0]) ==
|
|
DVA_GET_VDEV(&bp->blk_dva[1])) +
|
|
(DVA_GET_VDEV(&bp->blk_dva[0]) ==
|
|
DVA_GET_VDEV(&bp->blk_dva[2])) +
|
|
(DVA_GET_VDEV(&bp->blk_dva[1]) ==
|
|
DVA_GET_VDEV(&bp->blk_dva[2]));
|
|
if (equal != 0) {
|
|
zb->zb_ditto_samevdev++;
|
|
|
|
if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
|
|
DVA_GET_VDEV(&bp->blk_dva[1]) &&
|
|
same_metaslab(zcb->zcb_spa,
|
|
DVA_GET_VDEV(&bp->blk_dva[0]),
|
|
DVA_GET_OFFSET(&bp->blk_dva[0]),
|
|
DVA_GET_OFFSET(&bp->blk_dva[1])))
|
|
zb->zb_ditto_same_ms++;
|
|
else if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
|
|
DVA_GET_VDEV(&bp->blk_dva[2]) &&
|
|
same_metaslab(zcb->zcb_spa,
|
|
DVA_GET_VDEV(&bp->blk_dva[0]),
|
|
DVA_GET_OFFSET(&bp->blk_dva[0]),
|
|
DVA_GET_OFFSET(&bp->blk_dva[2])))
|
|
zb->zb_ditto_same_ms++;
|
|
else if (DVA_GET_VDEV(&bp->blk_dva[1]) ==
|
|
DVA_GET_VDEV(&bp->blk_dva[2]) &&
|
|
same_metaslab(zcb->zcb_spa,
|
|
DVA_GET_VDEV(&bp->blk_dva[1]),
|
|
DVA_GET_OFFSET(&bp->blk_dva[1]),
|
|
DVA_GET_OFFSET(&bp->blk_dva[2])))
|
|
zb->zb_ditto_same_ms++;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
spa_config_exit(zcb->zcb_spa, SCL_CONFIG, FTAG);
|
|
|
|
if (BP_IS_EMBEDDED(bp)) {
|
|
zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++;
|
|
zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)]
|
|
[BPE_GET_PSIZE(bp)]++;
|
|
return;
|
|
}
|
|
/*
|
|
* The binning histogram bins by powers of two up to
|
|
* SPA_MAXBLOCKSIZE rather than creating bins for
|
|
* every possible blocksize found in the pool.
|
|
*/
|
|
int bin = highbit64(BP_GET_PSIZE(bp)) - 1;
|
|
|
|
zcb->zcb_psize_count[bin]++;
|
|
zcb->zcb_psize_len[bin] += BP_GET_PSIZE(bp);
|
|
zcb->zcb_psize_total += BP_GET_PSIZE(bp);
|
|
|
|
bin = highbit64(BP_GET_LSIZE(bp)) - 1;
|
|
|
|
zcb->zcb_lsize_count[bin]++;
|
|
zcb->zcb_lsize_len[bin] += BP_GET_LSIZE(bp);
|
|
zcb->zcb_lsize_total += BP_GET_LSIZE(bp);
|
|
|
|
bin = highbit64(BP_GET_ASIZE(bp)) - 1;
|
|
|
|
zcb->zcb_asize_count[bin]++;
|
|
zcb->zcb_asize_len[bin] += BP_GET_ASIZE(bp);
|
|
zcb->zcb_asize_total += BP_GET_ASIZE(bp);
|
|
|
|
if (dump_opt['L'])
|
|
return;
|
|
|
|
if (BP_GET_DEDUP(bp)) {
|
|
ddt_t *ddt;
|
|
ddt_entry_t *dde;
|
|
|
|
ddt = ddt_select(zcb->zcb_spa, bp);
|
|
ddt_enter(ddt);
|
|
dde = ddt_lookup(ddt, bp, B_FALSE);
|
|
|
|
if (dde == NULL) {
|
|
refcnt = 0;
|
|
} else {
|
|
ddt_phys_t *ddp = ddt_phys_select(dde, bp);
|
|
ddt_phys_decref(ddp);
|
|
refcnt = ddp->ddp_refcnt;
|
|
if (ddt_phys_total_refcnt(dde) == 0)
|
|
ddt_remove(ddt, dde);
|
|
}
|
|
ddt_exit(ddt);
|
|
}
|
|
|
|
VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
|
|
refcnt ? 0 : spa_min_claim_txg(zcb->zcb_spa),
|
|
bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
|
|
}
|
|
|
|
static void
|
|
zdb_blkptr_done(zio_t *zio)
|
|
{
|
|
spa_t *spa = zio->io_spa;
|
|
blkptr_t *bp = zio->io_bp;
|
|
int ioerr = zio->io_error;
|
|
zdb_cb_t *zcb = zio->io_private;
|
|
zbookmark_phys_t *zb = &zio->io_bookmark;
|
|
|
|
abd_free(zio->io_abd);
|
|
|
|
mutex_enter(&spa->spa_scrub_lock);
|
|
spa->spa_load_verify_bytes -= BP_GET_PSIZE(bp);
|
|
cv_broadcast(&spa->spa_scrub_io_cv);
|
|
|
|
if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
|
|
zcb->zcb_haderrors = 1;
|
|
zcb->zcb_errors[ioerr]++;
|
|
|
|
if (dump_opt['b'] >= 2)
|
|
snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
|
|
else
|
|
blkbuf[0] = '\0';
|
|
|
|
(void) printf("zdb_blkptr_cb: "
|
|
"Got error %d reading "
|
|
"<%llu, %llu, %lld, %llx> %s -- skipping\n",
|
|
ioerr,
|
|
(u_longlong_t)zb->zb_objset,
|
|
(u_longlong_t)zb->zb_object,
|
|
(u_longlong_t)zb->zb_level,
|
|
(u_longlong_t)zb->zb_blkid,
|
|
blkbuf);
|
|
}
|
|
mutex_exit(&spa->spa_scrub_lock);
|
|
}
|
|
|
|
static int
|
|
zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
|
|
const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
|
|
{
|
|
zdb_cb_t *zcb = arg;
|
|
dmu_object_type_t type;
|
|
boolean_t is_metadata;
|
|
|
|
if (zb->zb_level == ZB_DNODE_LEVEL)
|
|
return (0);
|
|
|
|
if (dump_opt['b'] >= 5 && bp->blk_birth > 0) {
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
|
|
(void) printf("objset %llu object %llu "
|
|
"level %lld offset 0x%llx %s\n",
|
|
(u_longlong_t)zb->zb_objset,
|
|
(u_longlong_t)zb->zb_object,
|
|
(longlong_t)zb->zb_level,
|
|
(u_longlong_t)blkid2offset(dnp, bp, zb),
|
|
blkbuf);
|
|
}
|
|
|
|
if (BP_IS_HOLE(bp) || BP_IS_REDACTED(bp))
|
|
return (0);
|
|
|
|
type = BP_GET_TYPE(bp);
|
|
|
|
zdb_count_block(zcb, zilog, bp,
|
|
(type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
|
|
|
|
is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
|
|
|
|
if (!BP_IS_EMBEDDED(bp) &&
|
|
(dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) {
|
|
size_t size = BP_GET_PSIZE(bp);
|
|
abd_t *abd = abd_alloc(size, B_FALSE);
|
|
int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
|
|
|
|
/* If it's an intent log block, failure is expected. */
|
|
if (zb->zb_level == ZB_ZIL_LEVEL)
|
|
flags |= ZIO_FLAG_SPECULATIVE;
|
|
|
|
mutex_enter(&spa->spa_scrub_lock);
|
|
while (spa->spa_load_verify_bytes > max_inflight_bytes)
|
|
cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock);
|
|
spa->spa_load_verify_bytes += size;
|
|
mutex_exit(&spa->spa_scrub_lock);
|
|
|
|
zio_nowait(zio_read(NULL, spa, bp, abd, size,
|
|
zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb));
|
|
}
|
|
|
|
zcb->zcb_readfails = 0;
|
|
|
|
/* only call gethrtime() every 100 blocks */
|
|
static int iters;
|
|
if (++iters > 100)
|
|
iters = 0;
|
|
else
|
|
return (0);
|
|
|
|
if (dump_opt['b'] < 5 && gethrtime() > zcb->zcb_lastprint + NANOSEC) {
|
|
uint64_t now = gethrtime();
|
|
char buf[10];
|
|
uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize;
|
|
int kb_per_sec =
|
|
1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000));
|
|
int sec_remaining =
|
|
(zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec;
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (buf) >= NN_NUMBUF_SZ);
|
|
|
|
zfs_nicebytes(bytes, buf, sizeof (buf));
|
|
(void) fprintf(stderr,
|
|
"\r%5s completed (%4dMB/s) "
|
|
"estimated time remaining: %uhr %02umin %02usec ",
|
|
buf, kb_per_sec / 1024,
|
|
sec_remaining / 60 / 60,
|
|
sec_remaining / 60 % 60,
|
|
sec_remaining % 60);
|
|
|
|
zcb->zcb_lastprint = now;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
zdb_leak(void *arg, uint64_t start, uint64_t size)
|
|
{
|
|
vdev_t *vd = arg;
|
|
|
|
(void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
|
|
(u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
|
|
}
|
|
|
|
static metaslab_ops_t zdb_metaslab_ops = {
|
|
NULL /* alloc */
|
|
};
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
load_unflushed_svr_segs_cb(spa_t *spa, space_map_entry_t *sme,
|
|
uint64_t txg, void *arg)
|
|
{
|
|
spa_vdev_removal_t *svr = arg;
|
|
|
|
uint64_t offset = sme->sme_offset;
|
|
uint64_t size = sme->sme_run;
|
|
|
|
/* skip vdevs we don't care about */
|
|
if (sme->sme_vdev != svr->svr_vdev_id)
|
|
return (0);
|
|
|
|
vdev_t *vd = vdev_lookup_top(spa, sme->sme_vdev);
|
|
metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
|
|
ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
|
|
|
|
if (txg < metaslab_unflushed_txg(ms))
|
|
return (0);
|
|
|
|
if (sme->sme_type == SM_ALLOC)
|
|
range_tree_add(svr->svr_allocd_segs, offset, size);
|
|
else
|
|
range_tree_remove(svr->svr_allocd_segs, offset, size);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
claim_segment_impl_cb(uint64_t inner_offset, vdev_t *vd, uint64_t offset,
|
|
uint64_t size, void *arg)
|
|
{
|
|
/*
|
|
* This callback was called through a remap from
|
|
* a device being removed. Therefore, the vdev that
|
|
* this callback is applied to is a concrete
|
|
* vdev.
|
|
*/
|
|
ASSERT(vdev_is_concrete(vd));
|
|
|
|
VERIFY0(metaslab_claim_impl(vd, offset, size,
|
|
spa_min_claim_txg(vd->vdev_spa)));
|
|
}
|
|
|
|
static void
|
|
claim_segment_cb(void *arg, uint64_t offset, uint64_t size)
|
|
{
|
|
vdev_t *vd = arg;
|
|
|
|
vdev_indirect_ops.vdev_op_remap(vd, offset, size,
|
|
claim_segment_impl_cb, NULL);
|
|
}
|
|
|
|
/*
|
|
* After accounting for all allocated blocks that are directly referenced,
|
|
* we might have missed a reference to a block from a partially complete
|
|
* (and thus unused) indirect mapping object. We perform a secondary pass
|
|
* through the metaslabs we have already mapped and claim the destination
|
|
* blocks.
|
|
*/
|
|
static void
|
|
zdb_claim_removing(spa_t *spa, zdb_cb_t *zcb)
|
|
{
|
|
if (dump_opt['L'])
|
|
return;
|
|
|
|
if (spa->spa_vdev_removal == NULL)
|
|
return;
|
|
|
|
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
|
|
|
|
spa_vdev_removal_t *svr = spa->spa_vdev_removal;
|
|
vdev_t *vd = vdev_lookup_top(spa, svr->svr_vdev_id);
|
|
vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
|
|
|
|
ASSERT0(range_tree_space(svr->svr_allocd_segs));
|
|
|
|
range_tree_t *allocs = range_tree_create(NULL, RANGE_SEG64, NULL, 0, 0);
|
|
for (uint64_t msi = 0; msi < vd->vdev_ms_count; msi++) {
|
|
metaslab_t *msp = vd->vdev_ms[msi];
|
|
|
|
ASSERT0(range_tree_space(allocs));
|
|
if (msp->ms_sm != NULL)
|
|
VERIFY0(space_map_load(msp->ms_sm, allocs, SM_ALLOC));
|
|
range_tree_vacate(allocs, range_tree_add, svr->svr_allocd_segs);
|
|
}
|
|
range_tree_destroy(allocs);
|
|
|
|
iterate_through_spacemap_logs(spa, load_unflushed_svr_segs_cb, svr);
|
|
|
|
/*
|
|
* Clear everything past what has been synced,
|
|
* because we have not allocated mappings for
|
|
* it yet.
|
|
*/
|
|
range_tree_clear(svr->svr_allocd_segs,
|
|
vdev_indirect_mapping_max_offset(vim),
|
|
vd->vdev_asize - vdev_indirect_mapping_max_offset(vim));
|
|
|
|
zcb->zcb_removing_size += range_tree_space(svr->svr_allocd_segs);
|
|
range_tree_vacate(svr->svr_allocd_segs, claim_segment_cb, vd);
|
|
|
|
spa_config_exit(spa, SCL_CONFIG, FTAG);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
increment_indirect_mapping_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed,
|
|
dmu_tx_t *tx)
|
|
{
|
|
zdb_cb_t *zcb = arg;
|
|
spa_t *spa = zcb->zcb_spa;
|
|
vdev_t *vd;
|
|
const dva_t *dva = &bp->blk_dva[0];
|
|
|
|
ASSERT(!bp_freed);
|
|
ASSERT(!dump_opt['L']);
|
|
ASSERT3U(BP_GET_NDVAS(bp), ==, 1);
|
|
|
|
spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
|
|
vd = vdev_lookup_top(zcb->zcb_spa, DVA_GET_VDEV(dva));
|
|
ASSERT3P(vd, !=, NULL);
|
|
spa_config_exit(spa, SCL_VDEV, FTAG);
|
|
|
|
ASSERT(vd->vdev_indirect_config.vic_mapping_object != 0);
|
|
ASSERT3P(zcb->zcb_vd_obsolete_counts[vd->vdev_id], !=, NULL);
|
|
|
|
vdev_indirect_mapping_increment_obsolete_count(
|
|
vd->vdev_indirect_mapping,
|
|
DVA_GET_OFFSET(dva), DVA_GET_ASIZE(dva),
|
|
zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static uint32_t *
|
|
zdb_load_obsolete_counts(vdev_t *vd)
|
|
{
|
|
vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
|
|
spa_t *spa = vd->vdev_spa;
|
|
spa_condensing_indirect_phys_t *scip =
|
|
&spa->spa_condensing_indirect_phys;
|
|
uint64_t obsolete_sm_object;
|
|
uint32_t *counts;
|
|
|
|
VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
|
|
EQUIV(obsolete_sm_object != 0, vd->vdev_obsolete_sm != NULL);
|
|
counts = vdev_indirect_mapping_load_obsolete_counts(vim);
|
|
if (vd->vdev_obsolete_sm != NULL) {
|
|
vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
|
|
vd->vdev_obsolete_sm);
|
|
}
|
|
if (scip->scip_vdev == vd->vdev_id &&
|
|
scip->scip_prev_obsolete_sm_object != 0) {
|
|
space_map_t *prev_obsolete_sm = NULL;
|
|
VERIFY0(space_map_open(&prev_obsolete_sm, spa->spa_meta_objset,
|
|
scip->scip_prev_obsolete_sm_object, 0, vd->vdev_asize, 0));
|
|
vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
|
|
prev_obsolete_sm);
|
|
space_map_close(prev_obsolete_sm);
|
|
}
|
|
return (counts);
|
|
}
|
|
|
|
static void
|
|
zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
|
|
{
|
|
ddt_bookmark_t ddb;
|
|
ddt_entry_t dde;
|
|
int error;
|
|
int p;
|
|
|
|
ASSERT(!dump_opt['L']);
|
|
|
|
bzero(&ddb, sizeof (ddb));
|
|
while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
|
|
blkptr_t blk;
|
|
ddt_phys_t *ddp = dde.dde_phys;
|
|
|
|
if (ddb.ddb_class == DDT_CLASS_UNIQUE)
|
|
return;
|
|
|
|
ASSERT(ddt_phys_total_refcnt(&dde) > 1);
|
|
|
|
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
|
|
if (ddp->ddp_phys_birth == 0)
|
|
continue;
|
|
ddt_bp_create(ddb.ddb_checksum,
|
|
&dde.dde_key, ddp, &blk);
|
|
if (p == DDT_PHYS_DITTO) {
|
|
zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
|
|
} else {
|
|
zcb->zcb_dedup_asize +=
|
|
BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
|
|
zcb->zcb_dedup_blocks++;
|
|
}
|
|
}
|
|
ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
|
|
ddt_enter(ddt);
|
|
VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
|
|
ddt_exit(ddt);
|
|
}
|
|
|
|
ASSERT(error == ENOENT);
|
|
}
|
|
|
|
typedef struct checkpoint_sm_exclude_entry_arg {
|
|
vdev_t *cseea_vd;
|
|
uint64_t cseea_checkpoint_size;
|
|
} checkpoint_sm_exclude_entry_arg_t;
|
|
|
|
static int
|
|
checkpoint_sm_exclude_entry_cb(space_map_entry_t *sme, void *arg)
|
|
{
|
|
checkpoint_sm_exclude_entry_arg_t *cseea = arg;
|
|
vdev_t *vd = cseea->cseea_vd;
|
|
metaslab_t *ms = vd->vdev_ms[sme->sme_offset >> vd->vdev_ms_shift];
|
|
uint64_t end = sme->sme_offset + sme->sme_run;
|
|
|
|
ASSERT(sme->sme_type == SM_FREE);
|
|
|
|
/*
|
|
* Since the vdev_checkpoint_sm exists in the vdev level
|
|
* and the ms_sm space maps exist in the metaslab level,
|
|
* an entry in the checkpoint space map could theoretically
|
|
* cross the boundaries of the metaslab that it belongs.
|
|
*
|
|
* In reality, because of the way that we populate and
|
|
* manipulate the checkpoint's space maps currently,
|
|
* there shouldn't be any entries that cross metaslabs.
|
|
* Hence the assertion below.
|
|
*
|
|
* That said, there is no fundamental requirement that
|
|
* the checkpoint's space map entries should not cross
|
|
* metaslab boundaries. So if needed we could add code
|
|
* that handles metaslab-crossing segments in the future.
|
|
*/
|
|
VERIFY3U(sme->sme_offset, >=, ms->ms_start);
|
|
VERIFY3U(end, <=, ms->ms_start + ms->ms_size);
|
|
|
|
/*
|
|
* By removing the entry from the allocated segments we
|
|
* also verify that the entry is there to begin with.
|
|
*/
|
|
mutex_enter(&ms->ms_lock);
|
|
range_tree_remove(ms->ms_allocatable, sme->sme_offset, sme->sme_run);
|
|
mutex_exit(&ms->ms_lock);
|
|
|
|
cseea->cseea_checkpoint_size += sme->sme_run;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
zdb_leak_init_vdev_exclude_checkpoint(vdev_t *vd, zdb_cb_t *zcb)
|
|
{
|
|
spa_t *spa = vd->vdev_spa;
|
|
space_map_t *checkpoint_sm = NULL;
|
|
uint64_t checkpoint_sm_obj;
|
|
|
|
/*
|
|
* If there is no vdev_top_zap, we are in a pool whose
|
|
* version predates the pool checkpoint feature.
|
|
*/
|
|
if (vd->vdev_top_zap == 0)
|
|
return;
|
|
|
|
/*
|
|
* If there is no reference of the vdev_checkpoint_sm in
|
|
* the vdev_top_zap, then one of the following scenarios
|
|
* is true:
|
|
*
|
|
* 1] There is no checkpoint
|
|
* 2] There is a checkpoint, but no checkpointed blocks
|
|
* have been freed yet
|
|
* 3] The current vdev is indirect
|
|
*
|
|
* In these cases we return immediately.
|
|
*/
|
|
if (zap_contains(spa_meta_objset(spa), vd->vdev_top_zap,
|
|
VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
|
|
return;
|
|
|
|
VERIFY0(zap_lookup(spa_meta_objset(spa), vd->vdev_top_zap,
|
|
VDEV_TOP_ZAP_POOL_CHECKPOINT_SM, sizeof (uint64_t), 1,
|
|
&checkpoint_sm_obj));
|
|
|
|
checkpoint_sm_exclude_entry_arg_t cseea;
|
|
cseea.cseea_vd = vd;
|
|
cseea.cseea_checkpoint_size = 0;
|
|
|
|
VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(spa),
|
|
checkpoint_sm_obj, 0, vd->vdev_asize, vd->vdev_ashift));
|
|
|
|
VERIFY0(space_map_iterate(checkpoint_sm,
|
|
space_map_length(checkpoint_sm),
|
|
checkpoint_sm_exclude_entry_cb, &cseea));
|
|
space_map_close(checkpoint_sm);
|
|
|
|
zcb->zcb_checkpoint_size += cseea.cseea_checkpoint_size;
|
|
}
|
|
|
|
static void
|
|
zdb_leak_init_exclude_checkpoint(spa_t *spa, zdb_cb_t *zcb)
|
|
{
|
|
ASSERT(!dump_opt['L']);
|
|
|
|
vdev_t *rvd = spa->spa_root_vdev;
|
|
for (uint64_t c = 0; c < rvd->vdev_children; c++) {
|
|
ASSERT3U(c, ==, rvd->vdev_child[c]->vdev_id);
|
|
zdb_leak_init_vdev_exclude_checkpoint(rvd->vdev_child[c], zcb);
|
|
}
|
|
}
|
|
|
|
static int
|
|
count_unflushed_space_cb(spa_t *spa, space_map_entry_t *sme,
|
|
uint64_t txg, void *arg)
|
|
{
|
|
int64_t *ualloc_space = arg;
|
|
|
|
uint64_t offset = sme->sme_offset;
|
|
uint64_t vdev_id = sme->sme_vdev;
|
|
|
|
vdev_t *vd = vdev_lookup_top(spa, vdev_id);
|
|
if (!vdev_is_concrete(vd))
|
|
return (0);
|
|
|
|
metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
|
|
ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
|
|
|
|
if (txg < metaslab_unflushed_txg(ms))
|
|
return (0);
|
|
|
|
if (sme->sme_type == SM_ALLOC)
|
|
*ualloc_space += sme->sme_run;
|
|
else
|
|
*ualloc_space -= sme->sme_run;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int64_t
|
|
get_unflushed_alloc_space(spa_t *spa)
|
|
{
|
|
if (dump_opt['L'])
|
|
return (0);
|
|
|
|
int64_t ualloc_space = 0;
|
|
iterate_through_spacemap_logs(spa, count_unflushed_space_cb,
|
|
&ualloc_space);
|
|
return (ualloc_space);
|
|
}
|
|
|
|
static int
|
|
load_unflushed_cb(spa_t *spa, space_map_entry_t *sme, uint64_t txg, void *arg)
|
|
{
|
|
maptype_t *uic_maptype = arg;
|
|
|
|
uint64_t offset = sme->sme_offset;
|
|
uint64_t size = sme->sme_run;
|
|
uint64_t vdev_id = sme->sme_vdev;
|
|
|
|
vdev_t *vd = vdev_lookup_top(spa, vdev_id);
|
|
|
|
/* skip indirect vdevs */
|
|
if (!vdev_is_concrete(vd))
|
|
return (0);
|
|
|
|
metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
|
|
|
|
ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
|
|
ASSERT(*uic_maptype == SM_ALLOC || *uic_maptype == SM_FREE);
|
|
|
|
if (txg < metaslab_unflushed_txg(ms))
|
|
return (0);
|
|
|
|
if (*uic_maptype == sme->sme_type)
|
|
range_tree_add(ms->ms_allocatable, offset, size);
|
|
else
|
|
range_tree_remove(ms->ms_allocatable, offset, size);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
load_unflushed_to_ms_allocatables(spa_t *spa, maptype_t maptype)
|
|
{
|
|
iterate_through_spacemap_logs(spa, load_unflushed_cb, &maptype);
|
|
}
|
|
|
|
static void
|
|
load_concrete_ms_allocatable_trees(spa_t *spa, maptype_t maptype)
|
|
{
|
|
vdev_t *rvd = spa->spa_root_vdev;
|
|
for (uint64_t i = 0; i < rvd->vdev_children; i++) {
|
|
vdev_t *vd = rvd->vdev_child[i];
|
|
|
|
ASSERT3U(i, ==, vd->vdev_id);
|
|
|
|
if (vd->vdev_ops == &vdev_indirect_ops)
|
|
continue;
|
|
|
|
for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
|
|
metaslab_t *msp = vd->vdev_ms[m];
|
|
|
|
(void) fprintf(stderr,
|
|
"\rloading concrete vdev %llu, "
|
|
"metaslab %llu of %llu ...",
|
|
(longlong_t)vd->vdev_id,
|
|
(longlong_t)msp->ms_id,
|
|
(longlong_t)vd->vdev_ms_count);
|
|
|
|
mutex_enter(&msp->ms_lock);
|
|
range_tree_vacate(msp->ms_allocatable, NULL, NULL);
|
|
|
|
/*
|
|
* We don't want to spend the CPU manipulating the
|
|
* size-ordered tree, so clear the range_tree ops.
|
|
*/
|
|
msp->ms_allocatable->rt_ops = NULL;
|
|
|
|
if (msp->ms_sm != NULL) {
|
|
VERIFY0(space_map_load(msp->ms_sm,
|
|
msp->ms_allocatable, maptype));
|
|
}
|
|
if (!msp->ms_loaded)
|
|
msp->ms_loaded = B_TRUE;
|
|
mutex_exit(&msp->ms_lock);
|
|
}
|
|
}
|
|
|
|
load_unflushed_to_ms_allocatables(spa, maptype);
|
|
}
|
|
|
|
/*
|
|
* vm_idxp is an in-out parameter which (for indirect vdevs) is the
|
|
* index in vim_entries that has the first entry in this metaslab.
|
|
* On return, it will be set to the first entry after this metaslab.
|
|
*/
|
|
static void
|
|
load_indirect_ms_allocatable_tree(vdev_t *vd, metaslab_t *msp,
|
|
uint64_t *vim_idxp)
|
|
{
|
|
vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
|
|
|
|
mutex_enter(&msp->ms_lock);
|
|
range_tree_vacate(msp->ms_allocatable, NULL, NULL);
|
|
|
|
/*
|
|
* We don't want to spend the CPU manipulating the
|
|
* size-ordered tree, so clear the range_tree ops.
|
|
*/
|
|
msp->ms_allocatable->rt_ops = NULL;
|
|
|
|
for (; *vim_idxp < vdev_indirect_mapping_num_entries(vim);
|
|
(*vim_idxp)++) {
|
|
vdev_indirect_mapping_entry_phys_t *vimep =
|
|
&vim->vim_entries[*vim_idxp];
|
|
uint64_t ent_offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
|
|
uint64_t ent_len = DVA_GET_ASIZE(&vimep->vimep_dst);
|
|
ASSERT3U(ent_offset, >=, msp->ms_start);
|
|
if (ent_offset >= msp->ms_start + msp->ms_size)
|
|
break;
|
|
|
|
/*
|
|
* Mappings do not cross metaslab boundaries,
|
|
* because we create them by walking the metaslabs.
|
|
*/
|
|
ASSERT3U(ent_offset + ent_len, <=,
|
|
msp->ms_start + msp->ms_size);
|
|
range_tree_add(msp->ms_allocatable, ent_offset, ent_len);
|
|
}
|
|
|
|
if (!msp->ms_loaded)
|
|
msp->ms_loaded = B_TRUE;
|
|
mutex_exit(&msp->ms_lock);
|
|
}
|
|
|
|
static void
|
|
zdb_leak_init_prepare_indirect_vdevs(spa_t *spa, zdb_cb_t *zcb)
|
|
{
|
|
ASSERT(!dump_opt['L']);
|
|
|
|
vdev_t *rvd = spa->spa_root_vdev;
|
|
for (uint64_t c = 0; c < rvd->vdev_children; c++) {
|
|
vdev_t *vd = rvd->vdev_child[c];
|
|
|
|
ASSERT3U(c, ==, vd->vdev_id);
|
|
|
|
if (vd->vdev_ops != &vdev_indirect_ops)
|
|
continue;
|
|
|
|
/*
|
|
* Note: we don't check for mapping leaks on
|
|
* removing vdevs because their ms_allocatable's
|
|
* are used to look for leaks in allocated space.
|
|
*/
|
|
zcb->zcb_vd_obsolete_counts[c] = zdb_load_obsolete_counts(vd);
|
|
|
|
/*
|
|
* Normally, indirect vdevs don't have any
|
|
* metaslabs. We want to set them up for
|
|
* zio_claim().
|
|
*/
|
|
VERIFY0(vdev_metaslab_init(vd, 0));
|
|
|
|
vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
|
|
uint64_t vim_idx = 0;
|
|
for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
|
|
|
|
(void) fprintf(stderr,
|
|
"\rloading indirect vdev %llu, "
|
|
"metaslab %llu of %llu ...",
|
|
(longlong_t)vd->vdev_id,
|
|
(longlong_t)vd->vdev_ms[m]->ms_id,
|
|
(longlong_t)vd->vdev_ms_count);
|
|
|
|
load_indirect_ms_allocatable_tree(vd, vd->vdev_ms[m],
|
|
&vim_idx);
|
|
}
|
|
ASSERT3U(vim_idx, ==, vdev_indirect_mapping_num_entries(vim));
|
|
}
|
|
}
|
|
|
|
static void
|
|
zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
|
|
{
|
|
zcb->zcb_spa = spa;
|
|
|
|
if (dump_opt['L'])
|
|
return;
|
|
|
|
dsl_pool_t *dp = spa->spa_dsl_pool;
|
|
vdev_t *rvd = spa->spa_root_vdev;
|
|
|
|
/*
|
|
* We are going to be changing the meaning of the metaslab's
|
|
* ms_allocatable. Ensure that the allocator doesn't try to
|
|
* use the tree.
|
|
*/
|
|
spa->spa_normal_class->mc_ops = &zdb_metaslab_ops;
|
|
spa->spa_log_class->mc_ops = &zdb_metaslab_ops;
|
|
|
|
zcb->zcb_vd_obsolete_counts =
|
|
umem_zalloc(rvd->vdev_children * sizeof (uint32_t *),
|
|
UMEM_NOFAIL);
|
|
|
|
/*
|
|
* For leak detection, we overload the ms_allocatable trees
|
|
* to contain allocated segments instead of free segments.
|
|
* As a result, we can't use the normal metaslab_load/unload
|
|
* interfaces.
|
|
*/
|
|
zdb_leak_init_prepare_indirect_vdevs(spa, zcb);
|
|
load_concrete_ms_allocatable_trees(spa, SM_ALLOC);
|
|
|
|
/*
|
|
* On load_concrete_ms_allocatable_trees() we loaded all the
|
|
* allocated entries from the ms_sm to the ms_allocatable for
|
|
* each metaslab. If the pool has a checkpoint or is in the
|
|
* middle of discarding a checkpoint, some of these blocks
|
|
* may have been freed but their ms_sm may not have been
|
|
* updated because they are referenced by the checkpoint. In
|
|
* order to avoid false-positives during leak-detection, we
|
|
* go through the vdev's checkpoint space map and exclude all
|
|
* its entries from their relevant ms_allocatable.
|
|
*
|
|
* We also aggregate the space held by the checkpoint and add
|
|
* it to zcb_checkpoint_size.
|
|
*
|
|
* Note that at this point we are also verifying that all the
|
|
* entries on the checkpoint_sm are marked as allocated in
|
|
* the ms_sm of their relevant metaslab.
|
|
* [see comment in checkpoint_sm_exclude_entry_cb()]
|
|
*/
|
|
zdb_leak_init_exclude_checkpoint(spa, zcb);
|
|
ASSERT3U(zcb->zcb_checkpoint_size, ==, spa_get_checkpoint_space(spa));
|
|
|
|
/* for cleaner progress output */
|
|
(void) fprintf(stderr, "\n");
|
|
|
|
if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
|
|
ASSERT(spa_feature_is_enabled(spa,
|
|
SPA_FEATURE_DEVICE_REMOVAL));
|
|
(void) bpobj_iterate_nofree(&dp->dp_obsolete_bpobj,
|
|
increment_indirect_mapping_cb, zcb, NULL);
|
|
}
|
|
|
|
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
|
|
zdb_ddt_leak_init(spa, zcb);
|
|
spa_config_exit(spa, SCL_CONFIG, FTAG);
|
|
}
|
|
|
|
static boolean_t
|
|
zdb_check_for_obsolete_leaks(vdev_t *vd, zdb_cb_t *zcb)
|
|
{
|
|
boolean_t leaks = B_FALSE;
|
|
vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
|
|
uint64_t total_leaked = 0;
|
|
boolean_t are_precise = B_FALSE;
|
|
|
|
ASSERT(vim != NULL);
|
|
|
|
for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
|
|
vdev_indirect_mapping_entry_phys_t *vimep =
|
|
&vim->vim_entries[i];
|
|
uint64_t obsolete_bytes = 0;
|
|
uint64_t offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
|
|
metaslab_t *msp = vd->vdev_ms[offset >> vd->vdev_ms_shift];
|
|
|
|
/*
|
|
* This is not very efficient but it's easy to
|
|
* verify correctness.
|
|
*/
|
|
for (uint64_t inner_offset = 0;
|
|
inner_offset < DVA_GET_ASIZE(&vimep->vimep_dst);
|
|
inner_offset += 1 << vd->vdev_ashift) {
|
|
if (range_tree_contains(msp->ms_allocatable,
|
|
offset + inner_offset, 1 << vd->vdev_ashift)) {
|
|
obsolete_bytes += 1 << vd->vdev_ashift;
|
|
}
|
|
}
|
|
|
|
int64_t bytes_leaked = obsolete_bytes -
|
|
zcb->zcb_vd_obsolete_counts[vd->vdev_id][i];
|
|
ASSERT3U(DVA_GET_ASIZE(&vimep->vimep_dst), >=,
|
|
zcb->zcb_vd_obsolete_counts[vd->vdev_id][i]);
|
|
|
|
VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
|
|
if (bytes_leaked != 0 && (are_precise || dump_opt['d'] >= 5)) {
|
|
(void) printf("obsolete indirect mapping count "
|
|
"mismatch on %llu:%llx:%llx : %llx bytes leaked\n",
|
|
(u_longlong_t)vd->vdev_id,
|
|
(u_longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
|
|
(u_longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
|
|
(u_longlong_t)bytes_leaked);
|
|
}
|
|
total_leaked += ABS(bytes_leaked);
|
|
}
|
|
|
|
VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
|
|
if (!are_precise && total_leaked > 0) {
|
|
int pct_leaked = total_leaked * 100 /
|
|
vdev_indirect_mapping_bytes_mapped(vim);
|
|
(void) printf("cannot verify obsolete indirect mapping "
|
|
"counts of vdev %llu because precise feature was not "
|
|
"enabled when it was removed: %d%% (%llx bytes) of mapping"
|
|
"unreferenced\n",
|
|
(u_longlong_t)vd->vdev_id, pct_leaked,
|
|
(u_longlong_t)total_leaked);
|
|
} else if (total_leaked > 0) {
|
|
(void) printf("obsolete indirect mapping count mismatch "
|
|
"for vdev %llu -- %llx total bytes mismatched\n",
|
|
(u_longlong_t)vd->vdev_id,
|
|
(u_longlong_t)total_leaked);
|
|
leaks |= B_TRUE;
|
|
}
|
|
|
|
vdev_indirect_mapping_free_obsolete_counts(vim,
|
|
zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
|
|
zcb->zcb_vd_obsolete_counts[vd->vdev_id] = NULL;
|
|
|
|
return (leaks);
|
|
}
|
|
|
|
static boolean_t
|
|
zdb_leak_fini(spa_t *spa, zdb_cb_t *zcb)
|
|
{
|
|
if (dump_opt['L'])
|
|
return (B_FALSE);
|
|
|
|
boolean_t leaks = B_FALSE;
|
|
vdev_t *rvd = spa->spa_root_vdev;
|
|
for (unsigned c = 0; c < rvd->vdev_children; c++) {
|
|
vdev_t *vd = rvd->vdev_child[c];
|
|
metaslab_group_t *mg __maybe_unused = vd->vdev_mg;
|
|
|
|
if (zcb->zcb_vd_obsolete_counts[c] != NULL) {
|
|
leaks |= zdb_check_for_obsolete_leaks(vd, zcb);
|
|
}
|
|
|
|
for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
|
|
metaslab_t *msp = vd->vdev_ms[m];
|
|
ASSERT3P(mg, ==, msp->ms_group);
|
|
|
|
/*
|
|
* ms_allocatable has been overloaded
|
|
* to contain allocated segments. Now that
|
|
* we finished traversing all blocks, any
|
|
* block that remains in the ms_allocatable
|
|
* represents an allocated block that we
|
|
* did not claim during the traversal.
|
|
* Claimed blocks would have been removed
|
|
* from the ms_allocatable. For indirect
|
|
* vdevs, space remaining in the tree
|
|
* represents parts of the mapping that are
|
|
* not referenced, which is not a bug.
|
|
*/
|
|
if (vd->vdev_ops == &vdev_indirect_ops) {
|
|
range_tree_vacate(msp->ms_allocatable,
|
|
NULL, NULL);
|
|
} else {
|
|
range_tree_vacate(msp->ms_allocatable,
|
|
zdb_leak, vd);
|
|
}
|
|
if (msp->ms_loaded) {
|
|
msp->ms_loaded = B_FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
umem_free(zcb->zcb_vd_obsolete_counts,
|
|
rvd->vdev_children * sizeof (uint32_t *));
|
|
zcb->zcb_vd_obsolete_counts = NULL;
|
|
|
|
return (leaks);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
|
|
{
|
|
zdb_cb_t *zcb = arg;
|
|
|
|
if (dump_opt['b'] >= 5) {
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
|
|
(void) printf("[%s] %s\n",
|
|
"deferred free", blkbuf);
|
|
}
|
|
zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Iterate over livelists which have been destroyed by the user but
|
|
* are still present in the MOS, waiting to be freed
|
|
*/
|
|
static void
|
|
iterate_deleted_livelists(spa_t *spa, ll_iter_t func, void *arg)
|
|
{
|
|
objset_t *mos = spa->spa_meta_objset;
|
|
uint64_t zap_obj;
|
|
int err = zap_lookup(mos, DMU_POOL_DIRECTORY_OBJECT,
|
|
DMU_POOL_DELETED_CLONES, sizeof (uint64_t), 1, &zap_obj);
|
|
if (err == ENOENT)
|
|
return;
|
|
ASSERT0(err);
|
|
|
|
zap_cursor_t zc;
|
|
zap_attribute_t attr;
|
|
dsl_deadlist_t ll;
|
|
/* NULL out os prior to dsl_deadlist_open in case it's garbage */
|
|
ll.dl_os = NULL;
|
|
for (zap_cursor_init(&zc, mos, zap_obj);
|
|
zap_cursor_retrieve(&zc, &attr) == 0;
|
|
(void) zap_cursor_advance(&zc)) {
|
|
dsl_deadlist_open(&ll, mos, attr.za_first_integer);
|
|
func(&ll, arg);
|
|
dsl_deadlist_close(&ll);
|
|
}
|
|
zap_cursor_fini(&zc);
|
|
}
|
|
|
|
static int
|
|
bpobj_count_block_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed,
|
|
dmu_tx_t *tx)
|
|
{
|
|
ASSERT(!bp_freed);
|
|
return (count_block_cb(arg, bp, tx));
|
|
}
|
|
|
|
static int
|
|
livelist_entry_count_blocks_cb(void *args, dsl_deadlist_entry_t *dle)
|
|
{
|
|
zdb_cb_t *zbc = args;
|
|
bplist_t blks;
|
|
bplist_create(&blks);
|
|
/* determine which blocks have been alloc'd but not freed */
|
|
VERIFY0(dsl_process_sub_livelist(&dle->dle_bpobj, &blks, NULL, NULL));
|
|
/* count those blocks */
|
|
(void) bplist_iterate(&blks, count_block_cb, zbc, NULL);
|
|
bplist_destroy(&blks);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
livelist_count_blocks(dsl_deadlist_t *ll, void *arg)
|
|
{
|
|
dsl_deadlist_iterate(ll, livelist_entry_count_blocks_cb, arg);
|
|
}
|
|
|
|
/*
|
|
* Count the blocks in the livelists that have been destroyed by the user
|
|
* but haven't yet been freed.
|
|
*/
|
|
static void
|
|
deleted_livelists_count_blocks(spa_t *spa, zdb_cb_t *zbc)
|
|
{
|
|
iterate_deleted_livelists(spa, livelist_count_blocks, zbc);
|
|
}
|
|
|
|
static void
|
|
dump_livelist_cb(dsl_deadlist_t *ll, void *arg)
|
|
{
|
|
ASSERT3P(arg, ==, NULL);
|
|
global_feature_count[SPA_FEATURE_LIVELIST]++;
|
|
dump_blkptr_list(ll, "Deleted Livelist");
|
|
dsl_deadlist_iterate(ll, sublivelist_verify_lightweight, NULL);
|
|
}
|
|
|
|
/*
|
|
* Print out, register object references to, and increment feature counts for
|
|
* livelists that have been destroyed by the user but haven't yet been freed.
|
|
*/
|
|
static void
|
|
deleted_livelists_dump_mos(spa_t *spa)
|
|
{
|
|
uint64_t zap_obj;
|
|
objset_t *mos = spa->spa_meta_objset;
|
|
int err = zap_lookup(mos, DMU_POOL_DIRECTORY_OBJECT,
|
|
DMU_POOL_DELETED_CLONES, sizeof (uint64_t), 1, &zap_obj);
|
|
if (err == ENOENT)
|
|
return;
|
|
mos_obj_refd(zap_obj);
|
|
iterate_deleted_livelists(spa, dump_livelist_cb, NULL);
|
|
}
|
|
|
|
static int
|
|
dump_block_stats(spa_t *spa)
|
|
{
|
|
zdb_cb_t zcb;
|
|
zdb_blkstats_t *zb, *tzb;
|
|
uint64_t norm_alloc, norm_space, total_alloc, total_found;
|
|
int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA |
|
|
TRAVERSE_NO_DECRYPT | TRAVERSE_HARD;
|
|
boolean_t leaks = B_FALSE;
|
|
int e, c, err;
|
|
bp_embedded_type_t i;
|
|
|
|
bzero(&zcb, sizeof (zcb));
|
|
(void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
|
|
(dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
|
|
(dump_opt['c'] == 1) ? "metadata " : "",
|
|
dump_opt['c'] ? "checksums " : "",
|
|
(dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
|
|
!dump_opt['L'] ? "nothing leaked " : "");
|
|
|
|
/*
|
|
* When leak detection is enabled we load all space maps as SM_ALLOC
|
|
* maps, then traverse the pool claiming each block we discover. If
|
|
* the pool is perfectly consistent, the segment trees will be empty
|
|
* when we're done. Anything left over is a leak; any block we can't
|
|
* claim (because it's not part of any space map) is a double
|
|
* allocation, reference to a freed block, or an unclaimed log block.
|
|
*
|
|
* When leak detection is disabled (-L option) we still traverse the
|
|
* pool claiming each block we discover, but we skip opening any space
|
|
* maps.
|
|
*/
|
|
bzero(&zcb, sizeof (zdb_cb_t));
|
|
zdb_leak_init(spa, &zcb);
|
|
|
|
/*
|
|
* If there's a deferred-free bplist, process that first.
|
|
*/
|
|
(void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
|
|
bpobj_count_block_cb, &zcb, NULL);
|
|
|
|
if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
|
|
(void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
|
|
bpobj_count_block_cb, &zcb, NULL);
|
|
}
|
|
|
|
zdb_claim_removing(spa, &zcb);
|
|
|
|
if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) {
|
|
VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
|
|
spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
|
|
&zcb, NULL));
|
|
}
|
|
|
|
deleted_livelists_count_blocks(spa, &zcb);
|
|
|
|
if (dump_opt['c'] > 1)
|
|
flags |= TRAVERSE_PREFETCH_DATA;
|
|
|
|
zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa));
|
|
zcb.zcb_totalasize += metaslab_class_get_alloc(spa_special_class(spa));
|
|
zcb.zcb_totalasize += metaslab_class_get_alloc(spa_dedup_class(spa));
|
|
zcb.zcb_start = zcb.zcb_lastprint = gethrtime();
|
|
err = traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
|
|
|
|
/*
|
|
* If we've traversed the data blocks then we need to wait for those
|
|
* I/Os to complete. We leverage "The Godfather" zio to wait on
|
|
* all async I/Os to complete.
|
|
*/
|
|
if (dump_opt['c']) {
|
|
for (c = 0; c < max_ncpus; c++) {
|
|
(void) zio_wait(spa->spa_async_zio_root[c]);
|
|
spa->spa_async_zio_root[c] = zio_root(spa, NULL, NULL,
|
|
ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
|
|
ZIO_FLAG_GODFATHER);
|
|
}
|
|
}
|
|
ASSERT0(spa->spa_load_verify_bytes);
|
|
|
|
/*
|
|
* Done after zio_wait() since zcb_haderrors is modified in
|
|
* zdb_blkptr_done()
|
|
*/
|
|
zcb.zcb_haderrors |= err;
|
|
|
|
if (zcb.zcb_haderrors) {
|
|
(void) printf("\nError counts:\n\n");
|
|
(void) printf("\t%5s %s\n", "errno", "count");
|
|
for (e = 0; e < 256; e++) {
|
|
if (zcb.zcb_errors[e] != 0) {
|
|
(void) printf("\t%5d %llu\n",
|
|
e, (u_longlong_t)zcb.zcb_errors[e]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Report any leaked segments.
|
|
*/
|
|
leaks |= zdb_leak_fini(spa, &zcb);
|
|
|
|
tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
|
|
|
|
norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
|
|
norm_space = metaslab_class_get_space(spa_normal_class(spa));
|
|
|
|
total_alloc = norm_alloc +
|
|
metaslab_class_get_alloc(spa_log_class(spa)) +
|
|
metaslab_class_get_alloc(spa_special_class(spa)) +
|
|
metaslab_class_get_alloc(spa_dedup_class(spa)) +
|
|
get_unflushed_alloc_space(spa);
|
|
total_found = tzb->zb_asize - zcb.zcb_dedup_asize +
|
|
zcb.zcb_removing_size + zcb.zcb_checkpoint_size;
|
|
|
|
if (total_found == total_alloc && !dump_opt['L']) {
|
|
(void) printf("\n\tNo leaks (block sum matches space"
|
|
" maps exactly)\n");
|
|
} else if (!dump_opt['L']) {
|
|
(void) printf("block traversal size %llu != alloc %llu "
|
|
"(%s %lld)\n",
|
|
(u_longlong_t)total_found,
|
|
(u_longlong_t)total_alloc,
|
|
(dump_opt['L']) ? "unreachable" : "leaked",
|
|
(longlong_t)(total_alloc - total_found));
|
|
leaks = B_TRUE;
|
|
}
|
|
|
|
if (tzb->zb_count == 0)
|
|
return (2);
|
|
|
|
(void) printf("\n");
|
|
(void) printf("\t%-16s %14llu\n", "bp count:",
|
|
(u_longlong_t)tzb->zb_count);
|
|
(void) printf("\t%-16s %14llu\n", "ganged count:",
|
|
(longlong_t)tzb->zb_gangs);
|
|
(void) printf("\t%-16s %14llu avg: %6llu\n", "bp logical:",
|
|
(u_longlong_t)tzb->zb_lsize,
|
|
(u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
|
|
(void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
|
|
"bp physical:", (u_longlong_t)tzb->zb_psize,
|
|
(u_longlong_t)(tzb->zb_psize / tzb->zb_count),
|
|
(double)tzb->zb_lsize / tzb->zb_psize);
|
|
(void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
|
|
"bp allocated:", (u_longlong_t)tzb->zb_asize,
|
|
(u_longlong_t)(tzb->zb_asize / tzb->zb_count),
|
|
(double)tzb->zb_lsize / tzb->zb_asize);
|
|
(void) printf("\t%-16s %14llu ref>1: %6llu deduplication: %6.2f\n",
|
|
"bp deduped:", (u_longlong_t)zcb.zcb_dedup_asize,
|
|
(u_longlong_t)zcb.zcb_dedup_blocks,
|
|
(double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
|
|
(void) printf("\t%-16s %14llu used: %5.2f%%\n", "Normal class:",
|
|
(u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
|
|
|
|
if (spa_special_class(spa)->mc_rotor != NULL) {
|
|
uint64_t alloc = metaslab_class_get_alloc(
|
|
spa_special_class(spa));
|
|
uint64_t space = metaslab_class_get_space(
|
|
spa_special_class(spa));
|
|
|
|
(void) printf("\t%-16s %14llu used: %5.2f%%\n",
|
|
"Special class", (u_longlong_t)alloc,
|
|
100.0 * alloc / space);
|
|
}
|
|
|
|
if (spa_dedup_class(spa)->mc_rotor != NULL) {
|
|
uint64_t alloc = metaslab_class_get_alloc(
|
|
spa_dedup_class(spa));
|
|
uint64_t space = metaslab_class_get_space(
|
|
spa_dedup_class(spa));
|
|
|
|
(void) printf("\t%-16s %14llu used: %5.2f%%\n",
|
|
"Dedup class", (u_longlong_t)alloc,
|
|
100.0 * alloc / space);
|
|
}
|
|
|
|
for (i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) {
|
|
if (zcb.zcb_embedded_blocks[i] == 0)
|
|
continue;
|
|
(void) printf("\n");
|
|
(void) printf("\tadditional, non-pointer bps of type %u: "
|
|
"%10llu\n",
|
|
i, (u_longlong_t)zcb.zcb_embedded_blocks[i]);
|
|
|
|
if (dump_opt['b'] >= 3) {
|
|
(void) printf("\t number of (compressed) bytes: "
|
|
"number of bps\n");
|
|
dump_histogram(zcb.zcb_embedded_histogram[i],
|
|
sizeof (zcb.zcb_embedded_histogram[i]) /
|
|
sizeof (zcb.zcb_embedded_histogram[i][0]), 0);
|
|
}
|
|
}
|
|
|
|
if (tzb->zb_ditto_samevdev != 0) {
|
|
(void) printf("\tDittoed blocks on same vdev: %llu\n",
|
|
(longlong_t)tzb->zb_ditto_samevdev);
|
|
}
|
|
if (tzb->zb_ditto_same_ms != 0) {
|
|
(void) printf("\tDittoed blocks in same metaslab: %llu\n",
|
|
(longlong_t)tzb->zb_ditto_same_ms);
|
|
}
|
|
|
|
for (uint64_t v = 0; v < spa->spa_root_vdev->vdev_children; v++) {
|
|
vdev_t *vd = spa->spa_root_vdev->vdev_child[v];
|
|
vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
|
|
|
|
if (vim == NULL) {
|
|
continue;
|
|
}
|
|
|
|
char mem[32];
|
|
zdb_nicenum(vdev_indirect_mapping_num_entries(vim),
|
|
mem, vdev_indirect_mapping_size(vim));
|
|
|
|
(void) printf("\tindirect vdev id %llu has %llu segments "
|
|
"(%s in memory)\n",
|
|
(longlong_t)vd->vdev_id,
|
|
(longlong_t)vdev_indirect_mapping_num_entries(vim), mem);
|
|
}
|
|
|
|
if (dump_opt['b'] >= 2) {
|
|
int l, t, level;
|
|
(void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
|
|
"\t avg\t comp\t%%Total\tType\n");
|
|
|
|
for (t = 0; t <= ZDB_OT_TOTAL; t++) {
|
|
char csize[32], lsize[32], psize[32], asize[32];
|
|
char avg[32], gang[32];
|
|
const char *typename;
|
|
|
|
/* make sure nicenum has enough space */
|
|
CTASSERT(sizeof (csize) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (psize) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (avg) >= NN_NUMBUF_SZ);
|
|
CTASSERT(sizeof (gang) >= NN_NUMBUF_SZ);
|
|
|
|
if (t < DMU_OT_NUMTYPES)
|
|
typename = dmu_ot[t].ot_name;
|
|
else
|
|
typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
|
|
|
|
if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
|
|
(void) printf("%6s\t%5s\t%5s\t%5s"
|
|
"\t%5s\t%5s\t%6s\t%s\n",
|
|
"-",
|
|
"-",
|
|
"-",
|
|
"-",
|
|
"-",
|
|
"-",
|
|
"-",
|
|
typename);
|
|
continue;
|
|
}
|
|
|
|
for (l = ZB_TOTAL - 1; l >= -1; l--) {
|
|
level = (l == -1 ? ZB_TOTAL : l);
|
|
zb = &zcb.zcb_type[level][t];
|
|
|
|
if (zb->zb_asize == 0)
|
|
continue;
|
|
|
|
if (dump_opt['b'] < 3 && level != ZB_TOTAL)
|
|
continue;
|
|
|
|
if (level == 0 && zb->zb_asize ==
|
|
zcb.zcb_type[ZB_TOTAL][t].zb_asize)
|
|
continue;
|
|
|
|
zdb_nicenum(zb->zb_count, csize,
|
|
sizeof (csize));
|
|
zdb_nicenum(zb->zb_lsize, lsize,
|
|
sizeof (lsize));
|
|
zdb_nicenum(zb->zb_psize, psize,
|
|
sizeof (psize));
|
|
zdb_nicenum(zb->zb_asize, asize,
|
|
sizeof (asize));
|
|
zdb_nicenum(zb->zb_asize / zb->zb_count, avg,
|
|
sizeof (avg));
|
|
zdb_nicenum(zb->zb_gangs, gang, sizeof (gang));
|
|
|
|
(void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
|
|
"\t%5.2f\t%6.2f\t",
|
|
csize, lsize, psize, asize, avg,
|
|
(double)zb->zb_lsize / zb->zb_psize,
|
|
100.0 * zb->zb_asize / tzb->zb_asize);
|
|
|
|
if (level == ZB_TOTAL)
|
|
(void) printf("%s\n", typename);
|
|
else
|
|
(void) printf(" L%d %s\n",
|
|
level, typename);
|
|
|
|
if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) {
|
|
(void) printf("\t number of ganged "
|
|
"blocks: %s\n", gang);
|
|
}
|
|
|
|
if (dump_opt['b'] >= 4) {
|
|
(void) printf("psize "
|
|
"(in 512-byte sectors): "
|
|
"number of blocks\n");
|
|
dump_histogram(zb->zb_psize_histogram,
|
|
PSIZE_HISTO_SIZE, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Output a table summarizing block sizes in the pool */
|
|
if (dump_opt['b'] >= 2) {
|
|
dump_size_histograms(&zcb);
|
|
}
|
|
}
|
|
|
|
(void) printf("\n");
|
|
|
|
if (leaks)
|
|
return (2);
|
|
|
|
if (zcb.zcb_haderrors)
|
|
return (3);
|
|
|
|
return (0);
|
|
}
|
|
|
|
typedef struct zdb_ddt_entry {
|
|
ddt_key_t zdde_key;
|
|
uint64_t zdde_ref_blocks;
|
|
uint64_t zdde_ref_lsize;
|
|
uint64_t zdde_ref_psize;
|
|
uint64_t zdde_ref_dsize;
|
|
avl_node_t zdde_node;
|
|
} zdb_ddt_entry_t;
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
|
|
const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
|
|
{
|
|
avl_tree_t *t = arg;
|
|
avl_index_t where;
|
|
zdb_ddt_entry_t *zdde, zdde_search;
|
|
|
|
if (zb->zb_level == ZB_DNODE_LEVEL || BP_IS_HOLE(bp) ||
|
|
BP_IS_EMBEDDED(bp))
|
|
return (0);
|
|
|
|
if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
|
|
(void) printf("traversing objset %llu, %llu objects, "
|
|
"%lu blocks so far\n",
|
|
(u_longlong_t)zb->zb_objset,
|
|
(u_longlong_t)BP_GET_FILL(bp),
|
|
avl_numnodes(t));
|
|
}
|
|
|
|
if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
|
|
BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
|
|
return (0);
|
|
|
|
ddt_key_fill(&zdde_search.zdde_key, bp);
|
|
|
|
zdde = avl_find(t, &zdde_search, &where);
|
|
|
|
if (zdde == NULL) {
|
|
zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
|
|
zdde->zdde_key = zdde_search.zdde_key;
|
|
avl_insert(t, zdde, where);
|
|
}
|
|
|
|
zdde->zdde_ref_blocks += 1;
|
|
zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
|
|
zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
|
|
zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
dump_simulated_ddt(spa_t *spa)
|
|
{
|
|
avl_tree_t t;
|
|
void *cookie = NULL;
|
|
zdb_ddt_entry_t *zdde;
|
|
ddt_histogram_t ddh_total;
|
|
ddt_stat_t dds_total;
|
|
|
|
bzero(&ddh_total, sizeof (ddh_total));
|
|
bzero(&dds_total, sizeof (dds_total));
|
|
avl_create(&t, ddt_entry_compare,
|
|
sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
|
|
|
|
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
|
|
|
|
(void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA |
|
|
TRAVERSE_NO_DECRYPT, zdb_ddt_add_cb, &t);
|
|
|
|
spa_config_exit(spa, SCL_CONFIG, FTAG);
|
|
|
|
while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
|
|
ddt_stat_t dds;
|
|
uint64_t refcnt = zdde->zdde_ref_blocks;
|
|
ASSERT(refcnt != 0);
|
|
|
|
dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
|
|
dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
|
|
dds.dds_psize = zdde->zdde_ref_psize / refcnt;
|
|
dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
|
|
|
|
dds.dds_ref_blocks = zdde->zdde_ref_blocks;
|
|
dds.dds_ref_lsize = zdde->zdde_ref_lsize;
|
|
dds.dds_ref_psize = zdde->zdde_ref_psize;
|
|
dds.dds_ref_dsize = zdde->zdde_ref_dsize;
|
|
|
|
ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1],
|
|
&dds, 0);
|
|
|
|
umem_free(zdde, sizeof (*zdde));
|
|
}
|
|
|
|
avl_destroy(&t);
|
|
|
|
ddt_histogram_stat(&dds_total, &ddh_total);
|
|
|
|
(void) printf("Simulated DDT histogram:\n");
|
|
|
|
zpool_dump_ddt(&dds_total, &ddh_total);
|
|
|
|
dump_dedup_ratio(&dds_total);
|
|
}
|
|
|
|
static int
|
|
verify_device_removal_feature_counts(spa_t *spa)
|
|
{
|
|
uint64_t dr_feature_refcount = 0;
|
|
uint64_t oc_feature_refcount = 0;
|
|
uint64_t indirect_vdev_count = 0;
|
|
uint64_t precise_vdev_count = 0;
|
|
uint64_t obsolete_counts_object_count = 0;
|
|
uint64_t obsolete_sm_count = 0;
|
|
uint64_t obsolete_counts_count = 0;
|
|
uint64_t scip_count = 0;
|
|
uint64_t obsolete_bpobj_count = 0;
|
|
int ret = 0;
|
|
|
|
spa_condensing_indirect_phys_t *scip =
|
|
&spa->spa_condensing_indirect_phys;
|
|
if (scip->scip_next_mapping_object != 0) {
|
|
vdev_t *vd = spa->spa_root_vdev->vdev_child[scip->scip_vdev];
|
|
ASSERT(scip->scip_prev_obsolete_sm_object != 0);
|
|
ASSERT3P(vd->vdev_ops, ==, &vdev_indirect_ops);
|
|
|
|
(void) printf("Condensing indirect vdev %llu: new mapping "
|
|
"object %llu, prev obsolete sm %llu\n",
|
|
(u_longlong_t)scip->scip_vdev,
|
|
(u_longlong_t)scip->scip_next_mapping_object,
|
|
(u_longlong_t)scip->scip_prev_obsolete_sm_object);
|
|
if (scip->scip_prev_obsolete_sm_object != 0) {
|
|
space_map_t *prev_obsolete_sm = NULL;
|
|
VERIFY0(space_map_open(&prev_obsolete_sm,
|
|
spa->spa_meta_objset,
|
|
scip->scip_prev_obsolete_sm_object,
|
|
0, vd->vdev_asize, 0));
|
|
dump_spacemap(spa->spa_meta_objset, prev_obsolete_sm);
|
|
(void) printf("\n");
|
|
space_map_close(prev_obsolete_sm);
|
|
}
|
|
|
|
scip_count += 2;
|
|
}
|
|
|
|
for (uint64_t i = 0; i < spa->spa_root_vdev->vdev_children; i++) {
|
|
vdev_t *vd = spa->spa_root_vdev->vdev_child[i];
|
|
vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
|
|
|
|
if (vic->vic_mapping_object != 0) {
|
|
ASSERT(vd->vdev_ops == &vdev_indirect_ops ||
|
|
vd->vdev_removing);
|
|
indirect_vdev_count++;
|
|
|
|
if (vd->vdev_indirect_mapping->vim_havecounts) {
|
|
obsolete_counts_count++;
|
|
}
|
|
}
|
|
|
|
boolean_t are_precise;
|
|
VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
|
|
if (are_precise) {
|
|
ASSERT(vic->vic_mapping_object != 0);
|
|
precise_vdev_count++;
|
|
}
|
|
|
|
uint64_t obsolete_sm_object;
|
|
VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
|
|
if (obsolete_sm_object != 0) {
|
|
ASSERT(vic->vic_mapping_object != 0);
|
|
obsolete_sm_count++;
|
|
}
|
|
}
|
|
|
|
(void) feature_get_refcount(spa,
|
|
&spa_feature_table[SPA_FEATURE_DEVICE_REMOVAL],
|
|
&dr_feature_refcount);
|
|
(void) feature_get_refcount(spa,
|
|
&spa_feature_table[SPA_FEATURE_OBSOLETE_COUNTS],
|
|
&oc_feature_refcount);
|
|
|
|
if (dr_feature_refcount != indirect_vdev_count) {
|
|
ret = 1;
|
|
(void) printf("Number of indirect vdevs (%llu) " \
|
|
"does not match feature count (%llu)\n",
|
|
(u_longlong_t)indirect_vdev_count,
|
|
(u_longlong_t)dr_feature_refcount);
|
|
} else {
|
|
(void) printf("Verified device_removal feature refcount " \
|
|
"of %llu is correct\n",
|
|
(u_longlong_t)dr_feature_refcount);
|
|
}
|
|
|
|
if (zap_contains(spa_meta_objset(spa), DMU_POOL_DIRECTORY_OBJECT,
|
|
DMU_POOL_OBSOLETE_BPOBJ) == 0) {
|
|
obsolete_bpobj_count++;
|
|
}
|
|
|
|
|
|
obsolete_counts_object_count = precise_vdev_count;
|
|
obsolete_counts_object_count += obsolete_sm_count;
|
|
obsolete_counts_object_count += obsolete_counts_count;
|
|
obsolete_counts_object_count += scip_count;
|
|
obsolete_counts_object_count += obsolete_bpobj_count;
|
|
obsolete_counts_object_count += remap_deadlist_count;
|
|
|
|
if (oc_feature_refcount != obsolete_counts_object_count) {
|
|
ret = 1;
|
|
(void) printf("Number of obsolete counts objects (%llu) " \
|
|
"does not match feature count (%llu)\n",
|
|
(u_longlong_t)obsolete_counts_object_count,
|
|
(u_longlong_t)oc_feature_refcount);
|
|
(void) printf("pv:%llu os:%llu oc:%llu sc:%llu "
|
|
"ob:%llu rd:%llu\n",
|
|
(u_longlong_t)precise_vdev_count,
|
|
(u_longlong_t)obsolete_sm_count,
|
|
(u_longlong_t)obsolete_counts_count,
|
|
(u_longlong_t)scip_count,
|
|
(u_longlong_t)obsolete_bpobj_count,
|
|
(u_longlong_t)remap_deadlist_count);
|
|
} else {
|
|
(void) printf("Verified indirect_refcount feature refcount " \
|
|
"of %llu is correct\n",
|
|
(u_longlong_t)oc_feature_refcount);
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
static void
|
|
zdb_set_skip_mmp(char *target)
|
|
{
|
|
spa_t *spa;
|
|
|
|
/*
|
|
* Disable the activity check to allow examination of
|
|
* active pools.
|
|
*/
|
|
mutex_enter(&spa_namespace_lock);
|
|
if ((spa = spa_lookup(target)) != NULL) {
|
|
spa->spa_import_flags |= ZFS_IMPORT_SKIP_MMP;
|
|
}
|
|
mutex_exit(&spa_namespace_lock);
|
|
}
|
|
|
|
#define BOGUS_SUFFIX "_CHECKPOINTED_UNIVERSE"
|
|
/*
|
|
* Import the checkpointed state of the pool specified by the target
|
|
* parameter as readonly. The function also accepts a pool config
|
|
* as an optional parameter, else it attempts to infer the config by
|
|
* the name of the target pool.
|
|
*
|
|
* Note that the checkpointed state's pool name will be the name of
|
|
* the original pool with the above suffix appended to it. In addition,
|
|
* if the target is not a pool name (e.g. a path to a dataset) then
|
|
* the new_path parameter is populated with the updated path to
|
|
* reflect the fact that we are looking into the checkpointed state.
|
|
*
|
|
* The function returns a newly-allocated copy of the name of the
|
|
* pool containing the checkpointed state. When this copy is no
|
|
* longer needed it should be freed with free(3C). Same thing
|
|
* applies to the new_path parameter if allocated.
|
|
*/
|
|
static char *
|
|
import_checkpointed_state(char *target, nvlist_t *cfg, char **new_path)
|
|
{
|
|
int error = 0;
|
|
char *poolname, *bogus_name = NULL;
|
|
|
|
/* If the target is not a pool, the extract the pool name */
|
|
char *path_start = strchr(target, '/');
|
|
if (path_start != NULL) {
|
|
size_t poolname_len = path_start - target;
|
|
poolname = strndup(target, poolname_len);
|
|
} else {
|
|
poolname = target;
|
|
}
|
|
|
|
if (cfg == NULL) {
|
|
zdb_set_skip_mmp(poolname);
|
|
error = spa_get_stats(poolname, &cfg, NULL, 0);
|
|
if (error != 0) {
|
|
fatal("Tried to read config of pool \"%s\" but "
|
|
"spa_get_stats() failed with error %d\n",
|
|
poolname, error);
|
|
}
|
|
}
|
|
|
|
if (asprintf(&bogus_name, "%s%s", poolname, BOGUS_SUFFIX) == -1)
|
|
return (NULL);
|
|
fnvlist_add_string(cfg, ZPOOL_CONFIG_POOL_NAME, bogus_name);
|
|
|
|
error = spa_import(bogus_name, cfg, NULL,
|
|
ZFS_IMPORT_MISSING_LOG | ZFS_IMPORT_CHECKPOINT |
|
|
ZFS_IMPORT_SKIP_MMP);
|
|
if (error != 0) {
|
|
fatal("Tried to import pool \"%s\" but spa_import() failed "
|
|
"with error %d\n", bogus_name, error);
|
|
}
|
|
|
|
if (new_path != NULL && path_start != NULL) {
|
|
if (asprintf(new_path, "%s%s", bogus_name, path_start) == -1) {
|
|
if (path_start != NULL)
|
|
free(poolname);
|
|
return (NULL);
|
|
}
|
|
}
|
|
|
|
if (target != poolname)
|
|
free(poolname);
|
|
|
|
return (bogus_name);
|
|
}
|
|
|
|
typedef struct verify_checkpoint_sm_entry_cb_arg {
|
|
vdev_t *vcsec_vd;
|
|
|
|
/* the following fields are only used for printing progress */
|
|
uint64_t vcsec_entryid;
|
|
uint64_t vcsec_num_entries;
|
|
} verify_checkpoint_sm_entry_cb_arg_t;
|
|
|
|
#define ENTRIES_PER_PROGRESS_UPDATE 10000
|
|
|
|
static int
|
|
verify_checkpoint_sm_entry_cb(space_map_entry_t *sme, void *arg)
|
|
{
|
|
verify_checkpoint_sm_entry_cb_arg_t *vcsec = arg;
|
|
vdev_t *vd = vcsec->vcsec_vd;
|
|
metaslab_t *ms = vd->vdev_ms[sme->sme_offset >> vd->vdev_ms_shift];
|
|
uint64_t end = sme->sme_offset + sme->sme_run;
|
|
|
|
ASSERT(sme->sme_type == SM_FREE);
|
|
|
|
if ((vcsec->vcsec_entryid % ENTRIES_PER_PROGRESS_UPDATE) == 0) {
|
|
(void) fprintf(stderr,
|
|
"\rverifying vdev %llu, space map entry %llu of %llu ...",
|
|
(longlong_t)vd->vdev_id,
|
|
(longlong_t)vcsec->vcsec_entryid,
|
|
(longlong_t)vcsec->vcsec_num_entries);
|
|
}
|
|
vcsec->vcsec_entryid++;
|
|
|
|
/*
|
|
* See comment in checkpoint_sm_exclude_entry_cb()
|
|
*/
|
|
VERIFY3U(sme->sme_offset, >=, ms->ms_start);
|
|
VERIFY3U(end, <=, ms->ms_start + ms->ms_size);
|
|
|
|
/*
|
|
* The entries in the vdev_checkpoint_sm should be marked as
|
|
* allocated in the checkpointed state of the pool, therefore
|
|
* their respective ms_allocateable trees should not contain them.
|
|
*/
|
|
mutex_enter(&ms->ms_lock);
|
|
range_tree_verify_not_present(ms->ms_allocatable,
|
|
sme->sme_offset, sme->sme_run);
|
|
mutex_exit(&ms->ms_lock);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Verify that all segments in the vdev_checkpoint_sm are allocated
|
|
* according to the checkpoint's ms_sm (i.e. are not in the checkpoint's
|
|
* ms_allocatable).
|
|
*
|
|
* Do so by comparing the checkpoint space maps (vdev_checkpoint_sm) of
|
|
* each vdev in the current state of the pool to the metaslab space maps
|
|
* (ms_sm) of the checkpointed state of the pool.
|
|
*
|
|
* Note that the function changes the state of the ms_allocatable
|
|
* trees of the current spa_t. The entries of these ms_allocatable
|
|
* trees are cleared out and then repopulated from with the free
|
|
* entries of their respective ms_sm space maps.
|
|
*/
|
|
static void
|
|
verify_checkpoint_vdev_spacemaps(spa_t *checkpoint, spa_t *current)
|
|
{
|
|
vdev_t *ckpoint_rvd = checkpoint->spa_root_vdev;
|
|
vdev_t *current_rvd = current->spa_root_vdev;
|
|
|
|
load_concrete_ms_allocatable_trees(checkpoint, SM_FREE);
|
|
|
|
for (uint64_t c = 0; c < ckpoint_rvd->vdev_children; c++) {
|
|
vdev_t *ckpoint_vd = ckpoint_rvd->vdev_child[c];
|
|
vdev_t *current_vd = current_rvd->vdev_child[c];
|
|
|
|
space_map_t *checkpoint_sm = NULL;
|
|
uint64_t checkpoint_sm_obj;
|
|
|
|
if (ckpoint_vd->vdev_ops == &vdev_indirect_ops) {
|
|
/*
|
|
* Since we don't allow device removal in a pool
|
|
* that has a checkpoint, we expect that all removed
|
|
* vdevs were removed from the pool before the
|
|
* checkpoint.
|
|
*/
|
|
ASSERT3P(current_vd->vdev_ops, ==, &vdev_indirect_ops);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* If the checkpoint space map doesn't exist, then nothing
|
|
* here is checkpointed so there's nothing to verify.
|
|
*/
|
|
if (current_vd->vdev_top_zap == 0 ||
|
|
zap_contains(spa_meta_objset(current),
|
|
current_vd->vdev_top_zap,
|
|
VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
|
|
continue;
|
|
|
|
VERIFY0(zap_lookup(spa_meta_objset(current),
|
|
current_vd->vdev_top_zap, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM,
|
|
sizeof (uint64_t), 1, &checkpoint_sm_obj));
|
|
|
|
VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(current),
|
|
checkpoint_sm_obj, 0, current_vd->vdev_asize,
|
|
current_vd->vdev_ashift));
|
|
|
|
verify_checkpoint_sm_entry_cb_arg_t vcsec;
|
|
vcsec.vcsec_vd = ckpoint_vd;
|
|
vcsec.vcsec_entryid = 0;
|
|
vcsec.vcsec_num_entries =
|
|
space_map_length(checkpoint_sm) / sizeof (uint64_t);
|
|
VERIFY0(space_map_iterate(checkpoint_sm,
|
|
space_map_length(checkpoint_sm),
|
|
verify_checkpoint_sm_entry_cb, &vcsec));
|
|
if (dump_opt['m'] > 3)
|
|
dump_spacemap(current->spa_meta_objset, checkpoint_sm);
|
|
space_map_close(checkpoint_sm);
|
|
}
|
|
|
|
/*
|
|
* If we've added vdevs since we took the checkpoint, ensure
|
|
* that their checkpoint space maps are empty.
|
|
*/
|
|
if (ckpoint_rvd->vdev_children < current_rvd->vdev_children) {
|
|
for (uint64_t c = ckpoint_rvd->vdev_children;
|
|
c < current_rvd->vdev_children; c++) {
|
|
vdev_t *current_vd = current_rvd->vdev_child[c];
|
|
ASSERT3P(current_vd->vdev_checkpoint_sm, ==, NULL);
|
|
}
|
|
}
|
|
|
|
/* for cleaner progress output */
|
|
(void) fprintf(stderr, "\n");
|
|
}
|
|
|
|
/*
|
|
* Verifies that all space that's allocated in the checkpoint is
|
|
* still allocated in the current version, by checking that everything
|
|
* in checkpoint's ms_allocatable (which is actually allocated, not
|
|
* allocatable/free) is not present in current's ms_allocatable.
|
|
*
|
|
* Note that the function changes the state of the ms_allocatable
|
|
* trees of both spas when called. The entries of all ms_allocatable
|
|
* trees are cleared out and then repopulated from their respective
|
|
* ms_sm space maps. In the checkpointed state we load the allocated
|
|
* entries, and in the current state we load the free entries.
|
|
*/
|
|
static void
|
|
verify_checkpoint_ms_spacemaps(spa_t *checkpoint, spa_t *current)
|
|
{
|
|
vdev_t *ckpoint_rvd = checkpoint->spa_root_vdev;
|
|
vdev_t *current_rvd = current->spa_root_vdev;
|
|
|
|
load_concrete_ms_allocatable_trees(checkpoint, SM_ALLOC);
|
|
load_concrete_ms_allocatable_trees(current, SM_FREE);
|
|
|
|
for (uint64_t i = 0; i < ckpoint_rvd->vdev_children; i++) {
|
|
vdev_t *ckpoint_vd = ckpoint_rvd->vdev_child[i];
|
|
vdev_t *current_vd = current_rvd->vdev_child[i];
|
|
|
|
if (ckpoint_vd->vdev_ops == &vdev_indirect_ops) {
|
|
/*
|
|
* See comment in verify_checkpoint_vdev_spacemaps()
|
|
*/
|
|
ASSERT3P(current_vd->vdev_ops, ==, &vdev_indirect_ops);
|
|
continue;
|
|
}
|
|
|
|
for (uint64_t m = 0; m < ckpoint_vd->vdev_ms_count; m++) {
|
|
metaslab_t *ckpoint_msp = ckpoint_vd->vdev_ms[m];
|
|
metaslab_t *current_msp = current_vd->vdev_ms[m];
|
|
|
|
(void) fprintf(stderr,
|
|
"\rverifying vdev %llu of %llu, "
|
|
"metaslab %llu of %llu ...",
|
|
(longlong_t)current_vd->vdev_id,
|
|
(longlong_t)current_rvd->vdev_children,
|
|
(longlong_t)current_vd->vdev_ms[m]->ms_id,
|
|
(longlong_t)current_vd->vdev_ms_count);
|
|
|
|
/*
|
|
* We walk through the ms_allocatable trees that
|
|
* are loaded with the allocated blocks from the
|
|
* ms_sm spacemaps of the checkpoint. For each
|
|
* one of these ranges we ensure that none of them
|
|
* exists in the ms_allocatable trees of the
|
|
* current state which are loaded with the ranges
|
|
* that are currently free.
|
|
*
|
|
* This way we ensure that none of the blocks that
|
|
* are part of the checkpoint were freed by mistake.
|
|
*/
|
|
range_tree_walk(ckpoint_msp->ms_allocatable,
|
|
(range_tree_func_t *)range_tree_verify_not_present,
|
|
current_msp->ms_allocatable);
|
|
}
|
|
}
|
|
|
|
/* for cleaner progress output */
|
|
(void) fprintf(stderr, "\n");
|
|
}
|
|
|
|
static void
|
|
verify_checkpoint_blocks(spa_t *spa)
|
|
{
|
|
ASSERT(!dump_opt['L']);
|
|
|
|
spa_t *checkpoint_spa;
|
|
char *checkpoint_pool;
|
|
nvlist_t *config = NULL;
|
|
int error = 0;
|
|
|
|
/*
|
|
* We import the checkpointed state of the pool (under a different
|
|
* name) so we can do verification on it against the current state
|
|
* of the pool.
|
|
*/
|
|
checkpoint_pool = import_checkpointed_state(spa->spa_name, config,
|
|
NULL);
|
|
ASSERT(strcmp(spa->spa_name, checkpoint_pool) != 0);
|
|
|
|
error = spa_open(checkpoint_pool, &checkpoint_spa, FTAG);
|
|
if (error != 0) {
|
|
fatal("Tried to open pool \"%s\" but spa_open() failed with "
|
|
"error %d\n", checkpoint_pool, error);
|
|
}
|
|
|
|
/*
|
|
* Ensure that ranges in the checkpoint space maps of each vdev
|
|
* are allocated according to the checkpointed state's metaslab
|
|
* space maps.
|
|
*/
|
|
verify_checkpoint_vdev_spacemaps(checkpoint_spa, spa);
|
|
|
|
/*
|
|
* Ensure that allocated ranges in the checkpoint's metaslab
|
|
* space maps remain allocated in the metaslab space maps of
|
|
* the current state.
|
|
*/
|
|
verify_checkpoint_ms_spacemaps(checkpoint_spa, spa);
|
|
|
|
/*
|
|
* Once we are done, we get rid of the checkpointed state.
|
|
*/
|
|
spa_close(checkpoint_spa, FTAG);
|
|
free(checkpoint_pool);
|
|
}
|
|
|
|
static void
|
|
dump_leftover_checkpoint_blocks(spa_t *spa)
|
|
{
|
|
vdev_t *rvd = spa->spa_root_vdev;
|
|
|
|
for (uint64_t i = 0; i < rvd->vdev_children; i++) {
|
|
vdev_t *vd = rvd->vdev_child[i];
|
|
|
|
space_map_t *checkpoint_sm = NULL;
|
|
uint64_t checkpoint_sm_obj;
|
|
|
|
if (vd->vdev_top_zap == 0)
|
|
continue;
|
|
|
|
if (zap_contains(spa_meta_objset(spa), vd->vdev_top_zap,
|
|
VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
|
|
continue;
|
|
|
|
VERIFY0(zap_lookup(spa_meta_objset(spa), vd->vdev_top_zap,
|
|
VDEV_TOP_ZAP_POOL_CHECKPOINT_SM,
|
|
sizeof (uint64_t), 1, &checkpoint_sm_obj));
|
|
|
|
VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(spa),
|
|
checkpoint_sm_obj, 0, vd->vdev_asize, vd->vdev_ashift));
|
|
dump_spacemap(spa->spa_meta_objset, checkpoint_sm);
|
|
space_map_close(checkpoint_sm);
|
|
}
|
|
}
|
|
|
|
static int
|
|
verify_checkpoint(spa_t *spa)
|
|
{
|
|
uberblock_t checkpoint;
|
|
int error;
|
|
|
|
if (!spa_feature_is_active(spa, SPA_FEATURE_POOL_CHECKPOINT))
|
|
return (0);
|
|
|
|
error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
|
|
DMU_POOL_ZPOOL_CHECKPOINT, sizeof (uint64_t),
|
|
sizeof (uberblock_t) / sizeof (uint64_t), &checkpoint);
|
|
|
|
if (error == ENOENT && !dump_opt['L']) {
|
|
/*
|
|
* If the feature is active but the uberblock is missing
|
|
* then we must be in the middle of discarding the
|
|
* checkpoint.
|
|
*/
|
|
(void) printf("\nPartially discarded checkpoint "
|
|
"state found:\n");
|
|
if (dump_opt['m'] > 3)
|
|
dump_leftover_checkpoint_blocks(spa);
|
|
return (0);
|
|
} else if (error != 0) {
|
|
(void) printf("lookup error %d when looking for "
|
|
"checkpointed uberblock in MOS\n", error);
|
|
return (error);
|
|
}
|
|
dump_uberblock(&checkpoint, "\nCheckpointed uberblock found:\n", "\n");
|
|
|
|
if (checkpoint.ub_checkpoint_txg == 0) {
|
|
(void) printf("\nub_checkpoint_txg not set in checkpointed "
|
|
"uberblock\n");
|
|
error = 3;
|
|
}
|
|
|
|
if (error == 0 && !dump_opt['L'])
|
|
verify_checkpoint_blocks(spa);
|
|
|
|
return (error);
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
mos_leaks_cb(void *arg, uint64_t start, uint64_t size)
|
|
{
|
|
for (uint64_t i = start; i < size; i++) {
|
|
(void) printf("MOS object %llu referenced but not allocated\n",
|
|
(u_longlong_t)i);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mos_obj_refd(uint64_t obj)
|
|
{
|
|
if (obj != 0 && mos_refd_objs != NULL)
|
|
range_tree_add(mos_refd_objs, obj, 1);
|
|
}
|
|
|
|
/*
|
|
* Call on a MOS object that may already have been referenced.
|
|
*/
|
|
static void
|
|
mos_obj_refd_multiple(uint64_t obj)
|
|
{
|
|
if (obj != 0 && mos_refd_objs != NULL &&
|
|
!range_tree_contains(mos_refd_objs, obj, 1))
|
|
range_tree_add(mos_refd_objs, obj, 1);
|
|
}
|
|
|
|
static void
|
|
mos_leak_vdev_top_zap(vdev_t *vd)
|
|
{
|
|
uint64_t ms_flush_data_obj;
|
|
int error = zap_lookup(spa_meta_objset(vd->vdev_spa),
|
|
vd->vdev_top_zap, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS,
|
|
sizeof (ms_flush_data_obj), 1, &ms_flush_data_obj);
|
|
if (error == ENOENT)
|
|
return;
|
|
ASSERT0(error);
|
|
|
|
mos_obj_refd(ms_flush_data_obj);
|
|
}
|
|
|
|
static void
|
|
mos_leak_vdev(vdev_t *vd)
|
|
{
|
|
mos_obj_refd(vd->vdev_dtl_object);
|
|
mos_obj_refd(vd->vdev_ms_array);
|
|
mos_obj_refd(vd->vdev_indirect_config.vic_births_object);
|
|
mos_obj_refd(vd->vdev_indirect_config.vic_mapping_object);
|
|
mos_obj_refd(vd->vdev_leaf_zap);
|
|
if (vd->vdev_checkpoint_sm != NULL)
|
|
mos_obj_refd(vd->vdev_checkpoint_sm->sm_object);
|
|
if (vd->vdev_indirect_mapping != NULL) {
|
|
mos_obj_refd(vd->vdev_indirect_mapping->
|
|
vim_phys->vimp_counts_object);
|
|
}
|
|
if (vd->vdev_obsolete_sm != NULL)
|
|
mos_obj_refd(vd->vdev_obsolete_sm->sm_object);
|
|
|
|
for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
|
|
metaslab_t *ms = vd->vdev_ms[m];
|
|
mos_obj_refd(space_map_object(ms->ms_sm));
|
|
}
|
|
|
|
if (vd->vdev_top_zap != 0) {
|
|
mos_obj_refd(vd->vdev_top_zap);
|
|
mos_leak_vdev_top_zap(vd);
|
|
}
|
|
|
|
for (uint64_t c = 0; c < vd->vdev_children; c++) {
|
|
mos_leak_vdev(vd->vdev_child[c]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mos_leak_log_spacemaps(spa_t *spa)
|
|
{
|
|
uint64_t spacemap_zap;
|
|
int error = zap_lookup(spa_meta_objset(spa),
|
|
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_LOG_SPACEMAP_ZAP,
|
|
sizeof (spacemap_zap), 1, &spacemap_zap);
|
|
if (error == ENOENT)
|
|
return;
|
|
ASSERT0(error);
|
|
|
|
mos_obj_refd(spacemap_zap);
|
|
for (spa_log_sm_t *sls = avl_first(&spa->spa_sm_logs_by_txg);
|
|
sls; sls = AVL_NEXT(&spa->spa_sm_logs_by_txg, sls))
|
|
mos_obj_refd(sls->sls_sm_obj);
|
|
}
|
|
|
|
static int
|
|
dump_mos_leaks(spa_t *spa)
|
|
{
|
|
int rv = 0;
|
|
objset_t *mos = spa->spa_meta_objset;
|
|
dsl_pool_t *dp = spa->spa_dsl_pool;
|
|
|
|
/* Visit and mark all referenced objects in the MOS */
|
|
|
|
mos_obj_refd(DMU_POOL_DIRECTORY_OBJECT);
|
|
mos_obj_refd(spa->spa_pool_props_object);
|
|
mos_obj_refd(spa->spa_config_object);
|
|
mos_obj_refd(spa->spa_ddt_stat_object);
|
|
mos_obj_refd(spa->spa_feat_desc_obj);
|
|
mos_obj_refd(spa->spa_feat_enabled_txg_obj);
|
|
mos_obj_refd(spa->spa_feat_for_read_obj);
|
|
mos_obj_refd(spa->spa_feat_for_write_obj);
|
|
mos_obj_refd(spa->spa_history);
|
|
mos_obj_refd(spa->spa_errlog_last);
|
|
mos_obj_refd(spa->spa_errlog_scrub);
|
|
mos_obj_refd(spa->spa_all_vdev_zaps);
|
|
mos_obj_refd(spa->spa_dsl_pool->dp_bptree_obj);
|
|
mos_obj_refd(spa->spa_dsl_pool->dp_tmp_userrefs_obj);
|
|
mos_obj_refd(spa->spa_dsl_pool->dp_scan->scn_phys.scn_queue_obj);
|
|
bpobj_count_refd(&spa->spa_deferred_bpobj);
|
|
mos_obj_refd(dp->dp_empty_bpobj);
|
|
bpobj_count_refd(&dp->dp_obsolete_bpobj);
|
|
bpobj_count_refd(&dp->dp_free_bpobj);
|
|
mos_obj_refd(spa->spa_l2cache.sav_object);
|
|
mos_obj_refd(spa->spa_spares.sav_object);
|
|
|
|
if (spa->spa_syncing_log_sm != NULL)
|
|
mos_obj_refd(spa->spa_syncing_log_sm->sm_object);
|
|
mos_leak_log_spacemaps(spa);
|
|
|
|
mos_obj_refd(spa->spa_condensing_indirect_phys.
|
|
scip_next_mapping_object);
|
|
mos_obj_refd(spa->spa_condensing_indirect_phys.
|
|
scip_prev_obsolete_sm_object);
|
|
if (spa->spa_condensing_indirect_phys.scip_next_mapping_object != 0) {
|
|
vdev_indirect_mapping_t *vim =
|
|
vdev_indirect_mapping_open(mos,
|
|
spa->spa_condensing_indirect_phys.scip_next_mapping_object);
|
|
mos_obj_refd(vim->vim_phys->vimp_counts_object);
|
|
vdev_indirect_mapping_close(vim);
|
|
}
|
|
deleted_livelists_dump_mos(spa);
|
|
|
|
if (dp->dp_origin_snap != NULL) {
|
|
dsl_dataset_t *ds;
|
|
|
|
dsl_pool_config_enter(dp, FTAG);
|
|
VERIFY0(dsl_dataset_hold_obj(dp,
|
|
dsl_dataset_phys(dp->dp_origin_snap)->ds_next_snap_obj,
|
|
FTAG, &ds));
|
|
count_ds_mos_objects(ds);
|
|
dump_blkptr_list(&ds->ds_deadlist, "Deadlist");
|
|
dsl_dataset_rele(ds, FTAG);
|
|
dsl_pool_config_exit(dp, FTAG);
|
|
|
|
count_ds_mos_objects(dp->dp_origin_snap);
|
|
dump_blkptr_list(&dp->dp_origin_snap->ds_deadlist, "Deadlist");
|
|
}
|
|
count_dir_mos_objects(dp->dp_mos_dir);
|
|
if (dp->dp_free_dir != NULL)
|
|
count_dir_mos_objects(dp->dp_free_dir);
|
|
if (dp->dp_leak_dir != NULL)
|
|
count_dir_mos_objects(dp->dp_leak_dir);
|
|
|
|
mos_leak_vdev(spa->spa_root_vdev);
|
|
|
|
for (uint64_t class = 0; class < DDT_CLASSES; class++) {
|
|
for (uint64_t type = 0; type < DDT_TYPES; type++) {
|
|
for (uint64_t cksum = 0;
|
|
cksum < ZIO_CHECKSUM_FUNCTIONS; cksum++) {
|
|
ddt_t *ddt = spa->spa_ddt[cksum];
|
|
mos_obj_refd(ddt->ddt_object[type][class]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Visit all allocated objects and make sure they are referenced.
|
|
*/
|
|
uint64_t object = 0;
|
|
while (dmu_object_next(mos, &object, B_FALSE, 0) == 0) {
|
|
if (range_tree_contains(mos_refd_objs, object, 1)) {
|
|
range_tree_remove(mos_refd_objs, object, 1);
|
|
} else {
|
|
dmu_object_info_t doi;
|
|
const char *name;
|
|
dmu_object_info(mos, object, &doi);
|
|
if (doi.doi_type & DMU_OT_NEWTYPE) {
|
|
dmu_object_byteswap_t bswap =
|
|
DMU_OT_BYTESWAP(doi.doi_type);
|
|
name = dmu_ot_byteswap[bswap].ob_name;
|
|
} else {
|
|
name = dmu_ot[doi.doi_type].ot_name;
|
|
}
|
|
|
|
(void) printf("MOS object %llu (%s) leaked\n",
|
|
(u_longlong_t)object, name);
|
|
rv = 2;
|
|
}
|
|
}
|
|
(void) range_tree_walk(mos_refd_objs, mos_leaks_cb, NULL);
|
|
if (!range_tree_is_empty(mos_refd_objs))
|
|
rv = 2;
|
|
range_tree_vacate(mos_refd_objs, NULL, NULL);
|
|
range_tree_destroy(mos_refd_objs);
|
|
return (rv);
|
|
}
|
|
|
|
typedef struct log_sm_obsolete_stats_arg {
|
|
uint64_t lsos_current_txg;
|
|
|
|
uint64_t lsos_total_entries;
|
|
uint64_t lsos_valid_entries;
|
|
|
|
uint64_t lsos_sm_entries;
|
|
uint64_t lsos_valid_sm_entries;
|
|
} log_sm_obsolete_stats_arg_t;
|
|
|
|
static int
|
|
log_spacemap_obsolete_stats_cb(spa_t *spa, space_map_entry_t *sme,
|
|
uint64_t txg, void *arg)
|
|
{
|
|
log_sm_obsolete_stats_arg_t *lsos = arg;
|
|
|
|
uint64_t offset = sme->sme_offset;
|
|
uint64_t vdev_id = sme->sme_vdev;
|
|
|
|
if (lsos->lsos_current_txg == 0) {
|
|
/* this is the first log */
|
|
lsos->lsos_current_txg = txg;
|
|
} else if (lsos->lsos_current_txg < txg) {
|
|
/* we just changed log - print stats and reset */
|
|
(void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
|
|
(u_longlong_t)lsos->lsos_valid_sm_entries,
|
|
(u_longlong_t)lsos->lsos_sm_entries,
|
|
(u_longlong_t)lsos->lsos_current_txg);
|
|
lsos->lsos_valid_sm_entries = 0;
|
|
lsos->lsos_sm_entries = 0;
|
|
lsos->lsos_current_txg = txg;
|
|
}
|
|
ASSERT3U(lsos->lsos_current_txg, ==, txg);
|
|
|
|
lsos->lsos_sm_entries++;
|
|
lsos->lsos_total_entries++;
|
|
|
|
vdev_t *vd = vdev_lookup_top(spa, vdev_id);
|
|
if (!vdev_is_concrete(vd))
|
|
return (0);
|
|
|
|
metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
|
|
ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
|
|
|
|
if (txg < metaslab_unflushed_txg(ms))
|
|
return (0);
|
|
lsos->lsos_valid_sm_entries++;
|
|
lsos->lsos_valid_entries++;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
dump_log_spacemap_obsolete_stats(spa_t *spa)
|
|
{
|
|
if (!spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP))
|
|
return;
|
|
|
|
log_sm_obsolete_stats_arg_t lsos;
|
|
bzero(&lsos, sizeof (lsos));
|
|
|
|
(void) printf("Log Space Map Obsolete Entry Statistics:\n");
|
|
|
|
iterate_through_spacemap_logs(spa,
|
|
log_spacemap_obsolete_stats_cb, &lsos);
|
|
|
|
/* print stats for latest log */
|
|
(void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
|
|
(u_longlong_t)lsos.lsos_valid_sm_entries,
|
|
(u_longlong_t)lsos.lsos_sm_entries,
|
|
(u_longlong_t)lsos.lsos_current_txg);
|
|
|
|
(void) printf("%-8llu valid entries out of %-8llu - total\n\n",
|
|
(u_longlong_t)lsos.lsos_valid_entries,
|
|
(u_longlong_t)lsos.lsos_total_entries);
|
|
}
|
|
|
|
static void
|
|
dump_zpool(spa_t *spa)
|
|
{
|
|
dsl_pool_t *dp = spa_get_dsl(spa);
|
|
int rc = 0;
|
|
|
|
if (dump_opt['y']) {
|
|
livelist_metaslab_validate(spa);
|
|
}
|
|
|
|
if (dump_opt['S']) {
|
|
dump_simulated_ddt(spa);
|
|
return;
|
|
}
|
|
|
|
if (!dump_opt['e'] && dump_opt['C'] > 1) {
|
|
(void) printf("\nCached configuration:\n");
|
|
dump_nvlist(spa->spa_config, 8);
|
|
}
|
|
|
|
if (dump_opt['C'])
|
|
dump_config(spa);
|
|
|
|
if (dump_opt['u'])
|
|
dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
|
|
|
|
if (dump_opt['D'])
|
|
dump_all_ddts(spa);
|
|
|
|
if (dump_opt['d'] > 2 || dump_opt['m'])
|
|
dump_metaslabs(spa);
|
|
if (dump_opt['M'])
|
|
dump_metaslab_groups(spa);
|
|
if (dump_opt['d'] > 2 || dump_opt['m']) {
|
|
dump_log_spacemaps(spa);
|
|
dump_log_spacemap_obsolete_stats(spa);
|
|
}
|
|
|
|
if (dump_opt['d'] || dump_opt['i']) {
|
|
spa_feature_t f;
|
|
mos_refd_objs = range_tree_create(NULL, RANGE_SEG64, NULL, 0,
|
|
0);
|
|
dump_objset(dp->dp_meta_objset);
|
|
|
|
if (dump_opt['d'] >= 3) {
|
|
dsl_pool_t *dp = spa->spa_dsl_pool;
|
|
dump_full_bpobj(&spa->spa_deferred_bpobj,
|
|
"Deferred frees", 0);
|
|
if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
|
|
dump_full_bpobj(&dp->dp_free_bpobj,
|
|
"Pool snapshot frees", 0);
|
|
}
|
|
if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
|
|
ASSERT(spa_feature_is_enabled(spa,
|
|
SPA_FEATURE_DEVICE_REMOVAL));
|
|
dump_full_bpobj(&dp->dp_obsolete_bpobj,
|
|
"Pool obsolete blocks", 0);
|
|
}
|
|
|
|
if (spa_feature_is_active(spa,
|
|
SPA_FEATURE_ASYNC_DESTROY)) {
|
|
dump_bptree(spa->spa_meta_objset,
|
|
dp->dp_bptree_obj,
|
|
"Pool dataset frees");
|
|
}
|
|
dump_dtl(spa->spa_root_vdev, 0);
|
|
}
|
|
|
|
for (spa_feature_t f = 0; f < SPA_FEATURES; f++)
|
|
global_feature_count[f] = UINT64_MAX;
|
|
global_feature_count[SPA_FEATURE_REDACTION_BOOKMARKS] = 0;
|
|
global_feature_count[SPA_FEATURE_BOOKMARK_WRITTEN] = 0;
|
|
global_feature_count[SPA_FEATURE_LIVELIST] = 0;
|
|
|
|
(void) dmu_objset_find(spa_name(spa), dump_one_objset,
|
|
NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
|
|
|
|
if (rc == 0 && !dump_opt['L'])
|
|
rc = dump_mos_leaks(spa);
|
|
|
|
for (f = 0; f < SPA_FEATURES; f++) {
|
|
uint64_t refcount;
|
|
|
|
uint64_t *arr;
|
|
if (!(spa_feature_table[f].fi_flags &
|
|
ZFEATURE_FLAG_PER_DATASET)) {
|
|
if (global_feature_count[f] == UINT64_MAX)
|
|
continue;
|
|
if (!spa_feature_is_enabled(spa, f)) {
|
|
ASSERT0(global_feature_count[f]);
|
|
continue;
|
|
}
|
|
arr = global_feature_count;
|
|
} else {
|
|
if (!spa_feature_is_enabled(spa, f)) {
|
|
ASSERT0(dataset_feature_count[f]);
|
|
continue;
|
|
}
|
|
arr = dataset_feature_count;
|
|
}
|
|
if (feature_get_refcount(spa, &spa_feature_table[f],
|
|
&refcount) == ENOTSUP)
|
|
continue;
|
|
if (arr[f] != refcount) {
|
|
(void) printf("%s feature refcount mismatch: "
|
|
"%lld consumers != %lld refcount\n",
|
|
spa_feature_table[f].fi_uname,
|
|
(longlong_t)arr[f], (longlong_t)refcount);
|
|
rc = 2;
|
|
} else {
|
|
(void) printf("Verified %s feature refcount "
|
|
"of %llu is correct\n",
|
|
spa_feature_table[f].fi_uname,
|
|
(longlong_t)refcount);
|
|
}
|
|
}
|
|
|
|
if (rc == 0)
|
|
rc = verify_device_removal_feature_counts(spa);
|
|
}
|
|
|
|
if (rc == 0 && (dump_opt['b'] || dump_opt['c']))
|
|
rc = dump_block_stats(spa);
|
|
|
|
if (rc == 0)
|
|
rc = verify_spacemap_refcounts(spa);
|
|
|
|
if (dump_opt['s'])
|
|
show_pool_stats(spa);
|
|
|
|
if (dump_opt['h'])
|
|
dump_history(spa);
|
|
|
|
if (rc == 0)
|
|
rc = verify_checkpoint(spa);
|
|
|
|
if (rc != 0) {
|
|
dump_debug_buffer();
|
|
exit(rc);
|
|
}
|
|
}
|
|
|
|
#define ZDB_FLAG_CHECKSUM 0x0001
|
|
#define ZDB_FLAG_DECOMPRESS 0x0002
|
|
#define ZDB_FLAG_BSWAP 0x0004
|
|
#define ZDB_FLAG_GBH 0x0008
|
|
#define ZDB_FLAG_INDIRECT 0x0010
|
|
#define ZDB_FLAG_RAW 0x0020
|
|
#define ZDB_FLAG_PRINT_BLKPTR 0x0040
|
|
#define ZDB_FLAG_VERBOSE 0x0080
|
|
|
|
static int flagbits[256];
|
|
static char flagbitstr[16];
|
|
|
|
static void
|
|
zdb_print_blkptr(const blkptr_t *bp, int flags)
|
|
{
|
|
char blkbuf[BP_SPRINTF_LEN];
|
|
|
|
if (flags & ZDB_FLAG_BSWAP)
|
|
byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
|
|
|
|
snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
|
|
(void) printf("%s\n", blkbuf);
|
|
}
|
|
|
|
static void
|
|
zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < nbps; i++)
|
|
zdb_print_blkptr(&bp[i], flags);
|
|
}
|
|
|
|
static void
|
|
zdb_dump_gbh(void *buf, int flags)
|
|
{
|
|
zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
|
|
}
|
|
|
|
static void
|
|
zdb_dump_block_raw(void *buf, uint64_t size, int flags)
|
|
{
|
|
if (flags & ZDB_FLAG_BSWAP)
|
|
byteswap_uint64_array(buf, size);
|
|
VERIFY(write(fileno(stdout), buf, size) == size);
|
|
}
|
|
|
|
static void
|
|
zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
|
|
{
|
|
uint64_t *d = (uint64_t *)buf;
|
|
unsigned nwords = size / sizeof (uint64_t);
|
|
int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
|
|
unsigned i, j;
|
|
const char *hdr;
|
|
char *c;
|
|
|
|
|
|
if (do_bswap)
|
|
hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
|
|
else
|
|
hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
|
|
|
|
(void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
|
|
|
|
#ifdef _LITTLE_ENDIAN
|
|
/* correct the endianness */
|
|
do_bswap = !do_bswap;
|
|
#endif
|
|
for (i = 0; i < nwords; i += 2) {
|
|
(void) printf("%06llx: %016llx %016llx ",
|
|
(u_longlong_t)(i * sizeof (uint64_t)),
|
|
(u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
|
|
(u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
|
|
|
|
c = (char *)&d[i];
|
|
for (j = 0; j < 2 * sizeof (uint64_t); j++)
|
|
(void) printf("%c", isprint(c[j]) ? c[j] : '.');
|
|
(void) printf("\n");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* There are two acceptable formats:
|
|
* leaf_name - For example: c1t0d0 or /tmp/ztest.0a
|
|
* child[.child]* - For example: 0.1.1
|
|
*
|
|
* The second form can be used to specify arbitrary vdevs anywhere
|
|
* in the hierarchy. For example, in a pool with a mirror of
|
|
* RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
|
|
*/
|
|
static vdev_t *
|
|
zdb_vdev_lookup(vdev_t *vdev, const char *path)
|
|
{
|
|
char *s, *p, *q;
|
|
unsigned i;
|
|
|
|
if (vdev == NULL)
|
|
return (NULL);
|
|
|
|
/* First, assume the x.x.x.x format */
|
|
i = strtoul(path, &s, 10);
|
|
if (s == path || (s && *s != '.' && *s != '\0'))
|
|
goto name;
|
|
if (i >= vdev->vdev_children)
|
|
return (NULL);
|
|
|
|
vdev = vdev->vdev_child[i];
|
|
if (s && *s == '\0')
|
|
return (vdev);
|
|
return (zdb_vdev_lookup(vdev, s+1));
|
|
|
|
name:
|
|
for (i = 0; i < vdev->vdev_children; i++) {
|
|
vdev_t *vc = vdev->vdev_child[i];
|
|
|
|
if (vc->vdev_path == NULL) {
|
|
vc = zdb_vdev_lookup(vc, path);
|
|
if (vc == NULL)
|
|
continue;
|
|
else
|
|
return (vc);
|
|
}
|
|
|
|
p = strrchr(vc->vdev_path, '/');
|
|
p = p ? p + 1 : vc->vdev_path;
|
|
q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
|
|
|
|
if (strcmp(vc->vdev_path, path) == 0)
|
|
return (vc);
|
|
if (strcmp(p, path) == 0)
|
|
return (vc);
|
|
if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
|
|
return (vc);
|
|
}
|
|
|
|
return (NULL);
|
|
}
|
|
|
|
static int
|
|
name_from_objset_id(spa_t *spa, uint64_t objset_id, char *outstr)
|
|
{
|
|
dsl_dataset_t *ds;
|
|
|
|
dsl_pool_config_enter(spa->spa_dsl_pool, FTAG);
|
|
int error = dsl_dataset_hold_obj(spa->spa_dsl_pool, objset_id,
|
|
NULL, &ds);
|
|
if (error != 0) {
|
|
(void) fprintf(stderr, "failed to hold objset %llu: %s\n",
|
|
(u_longlong_t)objset_id, strerror(error));
|
|
dsl_pool_config_exit(spa->spa_dsl_pool, FTAG);
|
|
return (error);
|
|
}
|
|
dsl_dataset_name(ds, outstr);
|
|
dsl_dataset_rele(ds, NULL);
|
|
dsl_pool_config_exit(spa->spa_dsl_pool, FTAG);
|
|
return (0);
|
|
}
|
|
|
|
static boolean_t
|
|
zdb_parse_block_sizes(char *sizes, uint64_t *lsize, uint64_t *psize)
|
|
{
|
|
char *s0, *s1;
|
|
|
|
if (sizes == NULL)
|
|
return (B_FALSE);
|
|
|
|
s0 = strtok(sizes, "/");
|
|
if (s0 == NULL)
|
|
return (B_FALSE);
|
|
s1 = strtok(NULL, "/");
|
|
*lsize = strtoull(s0, NULL, 16);
|
|
*psize = s1 ? strtoull(s1, NULL, 16) : *lsize;
|
|
return (*lsize >= *psize && *psize > 0);
|
|
}
|
|
|
|
#define ZIO_COMPRESS_MASK(alg) (1ULL << (ZIO_COMPRESS_##alg))
|
|
|
|
static boolean_t
|
|
zdb_decompress_block(abd_t *pabd, void *buf, void *lbuf, uint64_t lsize,
|
|
uint64_t psize, int flags)
|
|
{
|
|
boolean_t exceeded = B_FALSE;
|
|
/*
|
|
* We don't know how the data was compressed, so just try
|
|
* every decompress function at every inflated blocksize.
|
|
*/
|
|
void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
|
|
int cfuncs[ZIO_COMPRESS_FUNCTIONS] = { 0 };
|
|
int *cfuncp = cfuncs;
|
|
uint64_t maxlsize = SPA_MAXBLOCKSIZE;
|
|
uint64_t mask = ZIO_COMPRESS_MASK(ON) | ZIO_COMPRESS_MASK(OFF) |
|
|
ZIO_COMPRESS_MASK(INHERIT) | ZIO_COMPRESS_MASK(EMPTY) |
|
|
(getenv("ZDB_NO_ZLE") ? ZIO_COMPRESS_MASK(ZLE) : 0);
|
|
*cfuncp++ = ZIO_COMPRESS_LZ4;
|
|
*cfuncp++ = ZIO_COMPRESS_LZJB;
|
|
mask |= ZIO_COMPRESS_MASK(LZ4) | ZIO_COMPRESS_MASK(LZJB);
|
|
for (int c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++)
|
|
if (((1ULL << c) & mask) == 0)
|
|
*cfuncp++ = c;
|
|
|
|
/*
|
|
* On the one hand, with SPA_MAXBLOCKSIZE at 16MB, this
|
|
* could take a while and we should let the user know
|
|
* we are not stuck. On the other hand, printing progress
|
|
* info gets old after a while. User can specify 'v' flag
|
|
* to see the progression.
|
|
*/
|
|
if (lsize == psize)
|
|
lsize += SPA_MINBLOCKSIZE;
|
|
else
|
|
maxlsize = lsize;
|
|
for (; lsize <= maxlsize; lsize += SPA_MINBLOCKSIZE) {
|
|
for (cfuncp = cfuncs; *cfuncp; cfuncp++) {
|
|
if (flags & ZDB_FLAG_VERBOSE) {
|
|
(void) fprintf(stderr,
|
|
"Trying %05llx -> %05llx (%s)\n",
|
|
(u_longlong_t)psize,
|
|
(u_longlong_t)lsize,
|
|
zio_compress_table[*cfuncp].\
|
|
ci_name);
|
|
}
|
|
|
|
/*
|
|
* We randomize lbuf2, and decompress to both
|
|
* lbuf and lbuf2. This way, we will know if
|
|
* decompression fill exactly to lsize.
|
|
*/
|
|
VERIFY0(random_get_pseudo_bytes(lbuf2, lsize));
|
|
|
|
if (zio_decompress_data(*cfuncp, pabd,
|
|
lbuf, psize, lsize, NULL) == 0 &&
|
|
zio_decompress_data(*cfuncp, pabd,
|
|
lbuf2, psize, lsize, NULL) == 0 &&
|
|
bcmp(lbuf, lbuf2, lsize) == 0)
|
|
break;
|
|
}
|
|
if (*cfuncp != 0)
|
|
break;
|
|
}
|
|
umem_free(lbuf2, SPA_MAXBLOCKSIZE);
|
|
|
|
if (lsize > maxlsize) {
|
|
exceeded = B_TRUE;
|
|
}
|
|
buf = lbuf;
|
|
if (*cfuncp == ZIO_COMPRESS_ZLE) {
|
|
printf("\nZLE decompression was selected. If you "
|
|
"suspect the results are wrong,\ntry avoiding ZLE "
|
|
"by setting and exporting ZDB_NO_ZLE=\"true\"\n");
|
|
}
|
|
|
|
return (exceeded);
|
|
}
|
|
|
|
/*
|
|
* Read a block from a pool and print it out. The syntax of the
|
|
* block descriptor is:
|
|
*
|
|
* pool:vdev_specifier:offset:[lsize/]psize[:flags]
|
|
*
|
|
* pool - The name of the pool you wish to read from
|
|
* vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
|
|
* offset - offset, in hex, in bytes
|
|
* size - Amount of data to read, in hex, in bytes
|
|
* flags - A string of characters specifying options
|
|
* b: Decode a blkptr at given offset within block
|
|
* c: Calculate and display checksums
|
|
* d: Decompress data before dumping
|
|
* e: Byteswap data before dumping
|
|
* g: Display data as a gang block header
|
|
* i: Display as an indirect block
|
|
* r: Dump raw data to stdout
|
|
* v: Verbose
|
|
*
|
|
*/
|
|
static void
|
|
zdb_read_block(char *thing, spa_t *spa)
|
|
{
|
|
blkptr_t blk, *bp = &blk;
|
|
dva_t *dva = bp->blk_dva;
|
|
int flags = 0;
|
|
uint64_t offset = 0, psize = 0, lsize = 0, blkptr_offset = 0;
|
|
zio_t *zio;
|
|
vdev_t *vd;
|
|
abd_t *pabd;
|
|
void *lbuf, *buf;
|
|
char *s, *p, *dup, *vdev, *flagstr, *sizes;
|
|
int i, error;
|
|
boolean_t borrowed = B_FALSE, found = B_FALSE;
|
|
|
|
dup = strdup(thing);
|
|
s = strtok(dup, ":");
|
|
vdev = s ? s : "";
|
|
s = strtok(NULL, ":");
|
|
offset = strtoull(s ? s : "", NULL, 16);
|
|
sizes = strtok(NULL, ":");
|
|
s = strtok(NULL, ":");
|
|
flagstr = strdup(s ? s : "");
|
|
|
|
s = NULL;
|
|
if (!zdb_parse_block_sizes(sizes, &lsize, &psize))
|
|
s = "invalid size(s)";
|
|
if (!IS_P2ALIGNED(psize, DEV_BSIZE) || !IS_P2ALIGNED(lsize, DEV_BSIZE))
|
|
s = "size must be a multiple of sector size";
|
|
if (!IS_P2ALIGNED(offset, DEV_BSIZE))
|
|
s = "offset must be a multiple of sector size";
|
|
if (s) {
|
|
(void) printf("Invalid block specifier: %s - %s\n", thing, s);
|
|
goto done;
|
|
}
|
|
|
|
for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
|
|
for (i = 0; i < strlen(flagstr); i++) {
|
|
int bit = flagbits[(uchar_t)flagstr[i]];
|
|
|
|
if (bit == 0) {
|
|
(void) printf("***Ignoring flag: %c\n",
|
|
(uchar_t)flagstr[i]);
|
|
continue;
|
|
}
|
|
found = B_TRUE;
|
|
flags |= bit;
|
|
|
|
p = &flagstr[i + 1];
|
|
if (*p != ':' && *p != '\0') {
|
|
int j = 0, nextbit = flagbits[(uchar_t)*p];
|
|
char *end, offstr[8] = { 0 };
|
|
if ((bit == ZDB_FLAG_PRINT_BLKPTR) &&
|
|
(nextbit == 0)) {
|
|
/* look ahead to isolate the offset */
|
|
while (nextbit == 0 &&
|
|
strchr(flagbitstr, *p) == NULL) {
|
|
offstr[j] = *p;
|
|
j++;
|
|
if (i + j > strlen(flagstr))
|
|
break;
|
|
p++;
|
|
nextbit = flagbits[(uchar_t)*p];
|
|
}
|
|
blkptr_offset = strtoull(offstr, &end,
|
|
16);
|
|
i += j;
|
|
} else if (nextbit == 0) {
|
|
(void) printf("***Ignoring flag arg:"
|
|
" '%c'\n", (uchar_t)*p);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (blkptr_offset % sizeof (blkptr_t)) {
|
|
printf("Block pointer offset 0x%llx "
|
|
"must be divisible by 0x%x\n",
|
|
(longlong_t)blkptr_offset, (int)sizeof (blkptr_t));
|
|
goto done;
|
|
}
|
|
if (found == B_FALSE && strlen(flagstr) > 0) {
|
|
printf("Invalid flag arg: '%s'\n", flagstr);
|
|
goto done;
|
|
}
|
|
|
|
vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
|
|
if (vd == NULL) {
|
|
(void) printf("***Invalid vdev: %s\n", vdev);
|
|
free(dup);
|
|
return;
|
|
} else {
|
|
if (vd->vdev_path)
|
|
(void) fprintf(stderr, "Found vdev: %s\n",
|
|
vd->vdev_path);
|
|
else
|
|
(void) fprintf(stderr, "Found vdev type: %s\n",
|
|
vd->vdev_ops->vdev_op_type);
|
|
}
|
|
|
|
pabd = abd_alloc_for_io(SPA_MAXBLOCKSIZE, B_FALSE);
|
|
lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
|
|
|
|
BP_ZERO(bp);
|
|
|
|
DVA_SET_VDEV(&dva[0], vd->vdev_id);
|
|
DVA_SET_OFFSET(&dva[0], offset);
|
|
DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
|
|
DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
|
|
|
|
BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
|
|
|
|
BP_SET_LSIZE(bp, lsize);
|
|
BP_SET_PSIZE(bp, psize);
|
|
BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
|
|
BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
|
|
BP_SET_TYPE(bp, DMU_OT_NONE);
|
|
BP_SET_LEVEL(bp, 0);
|
|
BP_SET_DEDUP(bp, 0);
|
|
BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
|
|
|
|
spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
|
|
zio = zio_root(spa, NULL, NULL, 0);
|
|
|
|
if (vd == vd->vdev_top) {
|
|
/*
|
|
* Treat this as a normal block read.
|
|
*/
|
|
zio_nowait(zio_read(zio, spa, bp, pabd, psize, NULL, NULL,
|
|
ZIO_PRIORITY_SYNC_READ,
|
|
ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
|
|
} else {
|
|
/*
|
|
* Treat this as a vdev child I/O.
|
|
*/
|
|
zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pabd,
|
|
psize, ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
|
|
ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_PROPAGATE |
|
|
ZIO_FLAG_DONT_RETRY | ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW |
|
|
ZIO_FLAG_OPTIONAL, NULL, NULL));
|
|
}
|
|
|
|
error = zio_wait(zio);
|
|
spa_config_exit(spa, SCL_STATE, FTAG);
|
|
|
|
if (error) {
|
|
(void) printf("Read of %s failed, error: %d\n", thing, error);
|
|
goto out;
|
|
}
|
|
|
|
uint64_t orig_lsize = lsize;
|
|
buf = lbuf;
|
|
if (flags & ZDB_FLAG_DECOMPRESS) {
|
|
boolean_t failed = zdb_decompress_block(pabd, buf, lbuf,
|
|
lsize, psize, flags);
|
|
if (failed) {
|
|
(void) printf("Decompress of %s failed\n", thing);
|
|
goto out;
|
|
}
|
|
} else {
|
|
buf = abd_borrow_buf_copy(pabd, lsize);
|
|
borrowed = B_TRUE;
|
|
}
|
|
/*
|
|
* Try to detect invalid block pointer. If invalid, try
|
|
* decompressing.
|
|
*/
|
|
if ((flags & ZDB_FLAG_PRINT_BLKPTR || flags & ZDB_FLAG_INDIRECT) &&
|
|
!(flags & ZDB_FLAG_DECOMPRESS)) {
|
|
const blkptr_t *b = (const blkptr_t *)(void *)
|
|
((uintptr_t)buf + (uintptr_t)blkptr_offset);
|
|
if (zfs_blkptr_verify(spa, b, B_FALSE, BLK_VERIFY_ONLY) ==
|
|
B_FALSE) {
|
|
abd_return_buf_copy(pabd, buf, lsize);
|
|
borrowed = B_FALSE;
|
|
buf = lbuf;
|
|
boolean_t failed = zdb_decompress_block(pabd, buf,
|
|
lbuf, lsize, psize, flags);
|
|
b = (const blkptr_t *)(void *)
|
|
((uintptr_t)buf + (uintptr_t)blkptr_offset);
|
|
if (failed || zfs_blkptr_verify(spa, b, B_FALSE,
|
|
BLK_VERIFY_LOG) == B_FALSE) {
|
|
printf("invalid block pointer at this DVA\n");
|
|
goto out;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (flags & ZDB_FLAG_PRINT_BLKPTR)
|
|
zdb_print_blkptr((blkptr_t *)(void *)
|
|
((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
|
|
else if (flags & ZDB_FLAG_RAW)
|
|
zdb_dump_block_raw(buf, lsize, flags);
|
|
else if (flags & ZDB_FLAG_INDIRECT)
|
|
zdb_dump_indirect((blkptr_t *)buf,
|
|
orig_lsize / sizeof (blkptr_t), flags);
|
|
else if (flags & ZDB_FLAG_GBH)
|
|
zdb_dump_gbh(buf, flags);
|
|
else
|
|
zdb_dump_block(thing, buf, lsize, flags);
|
|
|
|
/*
|
|
* If :c was specified, iterate through the checksum table to
|
|
* calculate and display each checksum for our specified
|
|
* DVA and length.
|
|
*/
|
|
if ((flags & ZDB_FLAG_CHECKSUM) && !(flags & ZDB_FLAG_RAW) &&
|
|
!(flags & ZDB_FLAG_GBH)) {
|
|
zio_t *czio;
|
|
(void) printf("\n");
|
|
for (enum zio_checksum ck = ZIO_CHECKSUM_LABEL;
|
|
ck < ZIO_CHECKSUM_FUNCTIONS; ck++) {
|
|
|
|
if ((zio_checksum_table[ck].ci_flags &
|
|
ZCHECKSUM_FLAG_EMBEDDED) ||
|
|
ck == ZIO_CHECKSUM_NOPARITY) {
|
|
continue;
|
|
}
|
|
BP_SET_CHECKSUM(bp, ck);
|
|
spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
|
|
czio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL);
|
|
czio->io_bp = bp;
|
|
|
|
if (vd == vd->vdev_top) {
|
|
zio_nowait(zio_read(czio, spa, bp, pabd, psize,
|
|
NULL, NULL,
|
|
ZIO_PRIORITY_SYNC_READ,
|
|
ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW |
|
|
ZIO_FLAG_DONT_RETRY, NULL));
|
|
} else {
|
|
zio_nowait(zio_vdev_child_io(czio, bp, vd,
|
|
offset, pabd, psize, ZIO_TYPE_READ,
|
|
ZIO_PRIORITY_SYNC_READ,
|
|
ZIO_FLAG_DONT_CACHE |
|
|
ZIO_FLAG_DONT_PROPAGATE |
|
|
ZIO_FLAG_DONT_RETRY |
|
|
ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW |
|
|
ZIO_FLAG_SPECULATIVE |
|
|
ZIO_FLAG_OPTIONAL, NULL, NULL));
|
|
}
|
|
error = zio_wait(czio);
|
|
if (error == 0 || error == ECKSUM) {
|
|
zio_t *ck_zio = zio_root(spa, NULL, NULL, 0);
|
|
ck_zio->io_offset =
|
|
DVA_GET_OFFSET(&bp->blk_dva[0]);
|
|
ck_zio->io_bp = bp;
|
|
zio_checksum_compute(ck_zio, ck, pabd, lsize);
|
|
printf("%12s\tcksum=%llx:%llx:%llx:%llx\n",
|
|
zio_checksum_table[ck].ci_name,
|
|
(u_longlong_t)bp->blk_cksum.zc_word[0],
|
|
(u_longlong_t)bp->blk_cksum.zc_word[1],
|
|
(u_longlong_t)bp->blk_cksum.zc_word[2],
|
|
(u_longlong_t)bp->blk_cksum.zc_word[3]);
|
|
zio_wait(ck_zio);
|
|
} else {
|
|
printf("error %d reading block\n", error);
|
|
}
|
|
spa_config_exit(spa, SCL_STATE, FTAG);
|
|
}
|
|
}
|
|
|
|
if (borrowed)
|
|
abd_return_buf_copy(pabd, buf, lsize);
|
|
|
|
out:
|
|
abd_free(pabd);
|
|
umem_free(lbuf, SPA_MAXBLOCKSIZE);
|
|
done:
|
|
free(flagstr);
|
|
free(dup);
|
|
}
|
|
|
|
static void
|
|
zdb_embedded_block(char *thing)
|
|
{
|
|
blkptr_t bp;
|
|
unsigned long long *words = (void *)&bp;
|
|
char *buf;
|
|
int err;
|
|
|
|
bzero(&bp, sizeof (bp));
|
|
err = sscanf(thing, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:"
|
|
"%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx",
|
|
words + 0, words + 1, words + 2, words + 3,
|
|
words + 4, words + 5, words + 6, words + 7,
|
|
words + 8, words + 9, words + 10, words + 11,
|
|
words + 12, words + 13, words + 14, words + 15);
|
|
if (err != 16) {
|
|
(void) fprintf(stderr, "invalid input format\n");
|
|
exit(1);
|
|
}
|
|
ASSERT3U(BPE_GET_LSIZE(&bp), <=, SPA_MAXBLOCKSIZE);
|
|
buf = malloc(SPA_MAXBLOCKSIZE);
|
|
if (buf == NULL) {
|
|
(void) fprintf(stderr, "out of memory\n");
|
|
exit(1);
|
|
}
|
|
err = decode_embedded_bp(&bp, buf, BPE_GET_LSIZE(&bp));
|
|
if (err != 0) {
|
|
(void) fprintf(stderr, "decode failed: %u\n", err);
|
|
exit(1);
|
|
}
|
|
zdb_dump_block_raw(buf, BPE_GET_LSIZE(&bp), 0);
|
|
free(buf);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int c;
|
|
struct rlimit rl = { 1024, 1024 };
|
|
spa_t *spa = NULL;
|
|
objset_t *os = NULL;
|
|
int dump_all = 1;
|
|
int verbose = 0;
|
|
int error = 0;
|
|
char **searchdirs = NULL;
|
|
int nsearch = 0;
|
|
char *target, *target_pool, dsname[ZFS_MAX_DATASET_NAME_LEN];
|
|
nvlist_t *policy = NULL;
|
|
uint64_t max_txg = UINT64_MAX;
|
|
int64_t objset_id = -1;
|
|
int flags = ZFS_IMPORT_MISSING_LOG;
|
|
int rewind = ZPOOL_NEVER_REWIND;
|
|
char *spa_config_path_env, *objset_str;
|
|
boolean_t target_is_spa = B_TRUE, dataset_lookup = B_FALSE;
|
|
nvlist_t *cfg = NULL;
|
|
|
|
(void) setrlimit(RLIMIT_NOFILE, &rl);
|
|
(void) enable_extended_FILE_stdio(-1, -1);
|
|
|
|
dprintf_setup(&argc, argv);
|
|
|
|
/*
|
|
* If there is an environment variable SPA_CONFIG_PATH it overrides
|
|
* default spa_config_path setting. If -U flag is specified it will
|
|
* override this environment variable settings once again.
|
|
*/
|
|
spa_config_path_env = getenv("SPA_CONFIG_PATH");
|
|
if (spa_config_path_env != NULL)
|
|
spa_config_path = spa_config_path_env;
|
|
|
|
/*
|
|
* For performance reasons, we set this tunable down. We do so before
|
|
* the arg parsing section so that the user can override this value if
|
|
* they choose.
|
|
*/
|
|
zfs_btree_verify_intensity = 3;
|
|
|
|
while ((c = getopt(argc, argv,
|
|
"AbcCdDeEFGhiI:klLmMo:Op:PqRsSt:uU:vVx:XYyZ")) != -1) {
|
|
switch (c) {
|
|
case 'b':
|
|
case 'c':
|
|
case 'C':
|
|
case 'd':
|
|
case 'D':
|
|
case 'E':
|
|
case 'G':
|
|
case 'h':
|
|
case 'i':
|
|
case 'l':
|
|
case 'm':
|
|
case 'M':
|
|
case 'O':
|
|
case 'R':
|
|
case 's':
|
|
case 'S':
|
|
case 'u':
|
|
case 'y':
|
|
case 'Z':
|
|
dump_opt[c]++;
|
|
dump_all = 0;
|
|
break;
|
|
case 'A':
|
|
case 'e':
|
|
case 'F':
|
|
case 'k':
|
|
case 'L':
|
|
case 'P':
|
|
case 'q':
|
|
case 'X':
|
|
dump_opt[c]++;
|
|
break;
|
|
case 'Y':
|
|
zfs_reconstruct_indirect_combinations_max = INT_MAX;
|
|
zfs_deadman_enabled = 0;
|
|
break;
|
|
/* NB: Sort single match options below. */
|
|
case 'I':
|
|
max_inflight_bytes = strtoull(optarg, NULL, 0);
|
|
if (max_inflight_bytes == 0) {
|
|
(void) fprintf(stderr, "maximum number "
|
|
"of inflight bytes must be greater "
|
|
"than 0\n");
|
|
usage();
|
|
}
|
|
break;
|
|
case 'o':
|
|
error = set_global_var(optarg);
|
|
if (error != 0)
|
|
usage();
|
|
break;
|
|
case 'p':
|
|
if (searchdirs == NULL) {
|
|
searchdirs = umem_alloc(sizeof (char *),
|
|
UMEM_NOFAIL);
|
|
} else {
|
|
char **tmp = umem_alloc((nsearch + 1) *
|
|
sizeof (char *), UMEM_NOFAIL);
|
|
bcopy(searchdirs, tmp, nsearch *
|
|
sizeof (char *));
|
|
umem_free(searchdirs,
|
|
nsearch * sizeof (char *));
|
|
searchdirs = tmp;
|
|
}
|
|
searchdirs[nsearch++] = optarg;
|
|
break;
|
|
case 't':
|
|
max_txg = strtoull(optarg, NULL, 0);
|
|
if (max_txg < TXG_INITIAL) {
|
|
(void) fprintf(stderr, "incorrect txg "
|
|
"specified: %s\n", optarg);
|
|
usage();
|
|
}
|
|
break;
|
|
case 'U':
|
|
spa_config_path = optarg;
|
|
if (spa_config_path[0] != '/') {
|
|
(void) fprintf(stderr,
|
|
"cachefile must be an absolute path "
|
|
"(i.e. start with a slash)\n");
|
|
usage();
|
|
}
|
|
break;
|
|
case 'v':
|
|
verbose++;
|
|
break;
|
|
case 'V':
|
|
flags = ZFS_IMPORT_VERBATIM;
|
|
break;
|
|
case 'x':
|
|
vn_dumpdir = optarg;
|
|
break;
|
|
default:
|
|
usage();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!dump_opt['e'] && searchdirs != NULL) {
|
|
(void) fprintf(stderr, "-p option requires use of -e\n");
|
|
usage();
|
|
}
|
|
if (dump_opt['d']) {
|
|
/* <pool>[/<dataset | objset id> is accepted */
|
|
if (argv[2] && (objset_str = strchr(argv[2], '/')) != NULL &&
|
|
objset_str++ != NULL) {
|
|
char *endptr;
|
|
errno = 0;
|
|
objset_id = strtoull(objset_str, &endptr, 0);
|
|
/* dataset 0 is the same as opening the pool */
|
|
if (errno == 0 && endptr != objset_str &&
|
|
objset_id != 0) {
|
|
target_is_spa = B_FALSE;
|
|
dataset_lookup = B_TRUE;
|
|
} else if (objset_id != 0) {
|
|
printf("failed to open objset %s "
|
|
"%llu %s", objset_str,
|
|
(u_longlong_t)objset_id,
|
|
strerror(errno));
|
|
exit(1);
|
|
}
|
|
/* normal dataset name not an objset ID */
|
|
if (endptr == objset_str) {
|
|
objset_id = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(_LP64)
|
|
/*
|
|
* ZDB does not typically re-read blocks; therefore limit the ARC
|
|
* to 256 MB, which can be used entirely for metadata.
|
|
*/
|
|
zfs_arc_min = zfs_arc_meta_min = 2ULL << SPA_MAXBLOCKSHIFT;
|
|
zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024;
|
|
#endif
|
|
|
|
/*
|
|
* "zdb -c" uses checksum-verifying scrub i/os which are async reads.
|
|
* "zdb -b" uses traversal prefetch which uses async reads.
|
|
* For good performance, let several of them be active at once.
|
|
*/
|
|
zfs_vdev_async_read_max_active = 10;
|
|
|
|
/*
|
|
* Disable reference tracking for better performance.
|
|
*/
|
|
reference_tracking_enable = B_FALSE;
|
|
|
|
/*
|
|
* Do not fail spa_load when spa_load_verify fails. This is needed
|
|
* to load non-idle pools.
|
|
*/
|
|
spa_load_verify_dryrun = B_TRUE;
|
|
|
|
kernel_init(SPA_MODE_READ);
|
|
|
|
if (dump_all)
|
|
verbose = MAX(verbose, 1);
|
|
|
|
for (c = 0; c < 256; c++) {
|
|
if (dump_all && strchr("AeEFklLOPRSXy", c) == NULL)
|
|
dump_opt[c] = 1;
|
|
if (dump_opt[c])
|
|
dump_opt[c] += verbose;
|
|
}
|
|
|
|
aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
|
|
zfs_recover = (dump_opt['A'] > 1);
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
if (argc < 2 && dump_opt['R'])
|
|
usage();
|
|
|
|
if (dump_opt['E']) {
|
|
if (argc != 1)
|
|
usage();
|
|
zdb_embedded_block(argv[0]);
|
|
return (0);
|
|
}
|
|
|
|
if (argc < 1) {
|
|
if (!dump_opt['e'] && dump_opt['C']) {
|
|
dump_cachefile(spa_config_path);
|
|
return (0);
|
|
}
|
|
usage();
|
|
}
|
|
|
|
if (dump_opt['l'])
|
|
return (dump_label(argv[0]));
|
|
|
|
if (dump_opt['O']) {
|
|
if (argc != 2)
|
|
usage();
|
|
dump_opt['v'] = verbose + 3;
|
|
return (dump_path(argv[0], argv[1]));
|
|
}
|
|
|
|
if (dump_opt['X'] || dump_opt['F'])
|
|
rewind = ZPOOL_DO_REWIND |
|
|
(dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
|
|
|
|
if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
|
|
nvlist_add_uint64(policy, ZPOOL_LOAD_REQUEST_TXG, max_txg) != 0 ||
|
|
nvlist_add_uint32(policy, ZPOOL_LOAD_REWIND_POLICY, rewind) != 0)
|
|
fatal("internal error: %s", strerror(ENOMEM));
|
|
|
|
error = 0;
|
|
target = argv[0];
|
|
|
|
if (strpbrk(target, "/@") != NULL) {
|
|
size_t targetlen;
|
|
|
|
target_pool = strdup(target);
|
|
*strpbrk(target_pool, "/@") = '\0';
|
|
|
|
target_is_spa = B_FALSE;
|
|
targetlen = strlen(target);
|
|
if (targetlen && target[targetlen - 1] == '/')
|
|
target[targetlen - 1] = '\0';
|
|
} else {
|
|
target_pool = target;
|
|
}
|
|
|
|
if (dump_opt['e']) {
|
|
importargs_t args = { 0 };
|
|
|
|
args.paths = nsearch;
|
|
args.path = searchdirs;
|
|
args.can_be_active = B_TRUE;
|
|
|
|
error = zpool_find_config(NULL, target_pool, &cfg, &args,
|
|
&libzpool_config_ops);
|
|
|
|
if (error == 0) {
|
|
|
|
if (nvlist_add_nvlist(cfg,
|
|
ZPOOL_LOAD_POLICY, policy) != 0) {
|
|
fatal("can't open '%s': %s",
|
|
target, strerror(ENOMEM));
|
|
}
|
|
|
|
if (dump_opt['C'] > 1) {
|
|
(void) printf("\nConfiguration for import:\n");
|
|
dump_nvlist(cfg, 8);
|
|
}
|
|
|
|
/*
|
|
* Disable the activity check to allow examination of
|
|
* active pools.
|
|
*/
|
|
error = spa_import(target_pool, cfg, NULL,
|
|
flags | ZFS_IMPORT_SKIP_MMP);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* import_checkpointed_state makes the assumption that the
|
|
* target pool that we pass it is already part of the spa
|
|
* namespace. Because of that we need to make sure to call
|
|
* it always after the -e option has been processed, which
|
|
* imports the pool to the namespace if it's not in the
|
|
* cachefile.
|
|
*/
|
|
char *checkpoint_pool = NULL;
|
|
char *checkpoint_target = NULL;
|
|
if (dump_opt['k']) {
|
|
checkpoint_pool = import_checkpointed_state(target, cfg,
|
|
&checkpoint_target);
|
|
|
|
if (checkpoint_target != NULL)
|
|
target = checkpoint_target;
|
|
}
|
|
|
|
if (target_pool != target)
|
|
free(target_pool);
|
|
|
|
if (error == 0) {
|
|
if (dump_opt['k'] && (target_is_spa || dump_opt['R'])) {
|
|
ASSERT(checkpoint_pool != NULL);
|
|
ASSERT(checkpoint_target == NULL);
|
|
|
|
error = spa_open(checkpoint_pool, &spa, FTAG);
|
|
if (error != 0) {
|
|
fatal("Tried to open pool \"%s\" but "
|
|
"spa_open() failed with error %d\n",
|
|
checkpoint_pool, error);
|
|
}
|
|
|
|
} else if (target_is_spa || dump_opt['R'] || objset_id == 0) {
|
|
zdb_set_skip_mmp(target);
|
|
error = spa_open_rewind(target, &spa, FTAG, policy,
|
|
NULL);
|
|
if (error) {
|
|
/*
|
|
* If we're missing the log device then
|
|
* try opening the pool after clearing the
|
|
* log state.
|
|
*/
|
|
mutex_enter(&spa_namespace_lock);
|
|
if ((spa = spa_lookup(target)) != NULL &&
|
|
spa->spa_log_state == SPA_LOG_MISSING) {
|
|
spa->spa_log_state = SPA_LOG_CLEAR;
|
|
error = 0;
|
|
}
|
|
mutex_exit(&spa_namespace_lock);
|
|
|
|
if (!error) {
|
|
error = spa_open_rewind(target, &spa,
|
|
FTAG, policy, NULL);
|
|
}
|
|
}
|
|
} else if (strpbrk(target, "#") != NULL) {
|
|
dsl_pool_t *dp;
|
|
error = dsl_pool_hold(target, FTAG, &dp);
|
|
if (error != 0) {
|
|
fatal("can't dump '%s': %s", target,
|
|
strerror(error));
|
|
}
|
|
error = dump_bookmark(dp, target, B_TRUE, verbose > 1);
|
|
dsl_pool_rele(dp, FTAG);
|
|
if (error != 0) {
|
|
fatal("can't dump '%s': %s", target,
|
|
strerror(error));
|
|
}
|
|
return (error);
|
|
} else {
|
|
zdb_set_skip_mmp(target);
|
|
if (dataset_lookup == B_TRUE) {
|
|
/*
|
|
* Use the supplied id to get the name
|
|
* for open_objset.
|
|
*/
|
|
error = spa_open(target, &spa, FTAG);
|
|
if (error == 0) {
|
|
error = name_from_objset_id(spa,
|
|
objset_id, dsname);
|
|
spa_close(spa, FTAG);
|
|
if (error == 0)
|
|
target = dsname;
|
|
}
|
|
}
|
|
if (error == 0)
|
|
error = open_objset(target, FTAG, &os);
|
|
if (error == 0)
|
|
spa = dmu_objset_spa(os);
|
|
}
|
|
}
|
|
nvlist_free(policy);
|
|
|
|
if (error)
|
|
fatal("can't open '%s': %s", target, strerror(error));
|
|
|
|
/*
|
|
* Set the pool failure mode to panic in order to prevent the pool
|
|
* from suspending. A suspended I/O will have no way to resume and
|
|
* can prevent the zdb(8) command from terminating as expected.
|
|
*/
|
|
if (spa != NULL)
|
|
spa->spa_failmode = ZIO_FAILURE_MODE_PANIC;
|
|
|
|
argv++;
|
|
argc--;
|
|
if (!dump_opt['R']) {
|
|
flagbits['d'] = ZOR_FLAG_DIRECTORY;
|
|
flagbits['f'] = ZOR_FLAG_PLAIN_FILE;
|
|
flagbits['m'] = ZOR_FLAG_SPACE_MAP;
|
|
flagbits['z'] = ZOR_FLAG_ZAP;
|
|
flagbits['A'] = ZOR_FLAG_ALL_TYPES;
|
|
|
|
if (argc > 0 && dump_opt['d']) {
|
|
zopt_object_args = argc;
|
|
zopt_object_ranges = calloc(zopt_object_args,
|
|
sizeof (zopt_object_range_t));
|
|
for (unsigned i = 0; i < zopt_object_args; i++) {
|
|
int err;
|
|
char *msg = NULL;
|
|
|
|
err = parse_object_range(argv[i],
|
|
&zopt_object_ranges[i], &msg);
|
|
if (err != 0)
|
|
fatal("Bad object or range: '%s': %s\n",
|
|
argv[i], msg ? msg : "");
|
|
}
|
|
} else if (argc > 0 && dump_opt['m']) {
|
|
zopt_metaslab_args = argc;
|
|
zopt_metaslab = calloc(zopt_metaslab_args,
|
|
sizeof (uint64_t));
|
|
for (unsigned i = 0; i < zopt_metaslab_args; i++) {
|
|
errno = 0;
|
|
zopt_metaslab[i] = strtoull(argv[i], NULL, 0);
|
|
if (zopt_metaslab[i] == 0 && errno != 0)
|
|
fatal("bad number %s: %s", argv[i],
|
|
strerror(errno));
|
|
}
|
|
}
|
|
if (os != NULL) {
|
|
dump_objset(os);
|
|
} else if (zopt_object_args > 0 && !dump_opt['m']) {
|
|
dump_objset(spa->spa_meta_objset);
|
|
} else {
|
|
dump_zpool(spa);
|
|
}
|
|
} else {
|
|
flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
|
|
flagbits['c'] = ZDB_FLAG_CHECKSUM;
|
|
flagbits['d'] = ZDB_FLAG_DECOMPRESS;
|
|
flagbits['e'] = ZDB_FLAG_BSWAP;
|
|
flagbits['g'] = ZDB_FLAG_GBH;
|
|
flagbits['i'] = ZDB_FLAG_INDIRECT;
|
|
flagbits['r'] = ZDB_FLAG_RAW;
|
|
flagbits['v'] = ZDB_FLAG_VERBOSE;
|
|
|
|
for (int i = 0; i < argc; i++)
|
|
zdb_read_block(argv[i], spa);
|
|
}
|
|
|
|
if (dump_opt['k']) {
|
|
free(checkpoint_pool);
|
|
if (!target_is_spa)
|
|
free(checkpoint_target);
|
|
}
|
|
|
|
if (os != NULL) {
|
|
close_objset(os, FTAG);
|
|
} else {
|
|
spa_close(spa, FTAG);
|
|
}
|
|
|
|
fuid_table_destroy();
|
|
|
|
dump_debug_buffer();
|
|
|
|
kernel_fini();
|
|
|
|
return (error);
|
|
}
|