157 lines
5 KiB
C
157 lines
5 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* This file and its contents are supplied under the terms of the
|
|
* Common Development and Distribution License ("CDDL"), version 1.0.
|
|
* You may only use this file in accordance with the terms of version
|
|
* 1.0 of the CDDL.
|
|
*
|
|
* A full copy of the text of the CDDL should have accompanied this
|
|
* source. A copy of the CDDL is also available via the Internet at
|
|
* http://www.illumos.org/license/CDDL.
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
/*
|
|
* Copyright (c) 2013, 2018 by Delphix. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _SYS_DSL_BOOKMARK_H
|
|
#define _SYS_DSL_BOOKMARK_H
|
|
|
|
#include <sys/zfs_context.h>
|
|
#include <sys/zfs_refcount.h>
|
|
#include <sys/dsl_dataset.h>
|
|
#include <sys/dsl_pool.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* On disk zap object.
|
|
*/
|
|
typedef struct zfs_bookmark_phys {
|
|
uint64_t zbm_guid; /* guid of bookmarked dataset */
|
|
uint64_t zbm_creation_txg; /* birth transaction group */
|
|
uint64_t zbm_creation_time; /* bookmark creation time */
|
|
|
|
/* fields used for redacted send / recv */
|
|
uint64_t zbm_redaction_obj; /* redaction list object */
|
|
uint64_t zbm_flags; /* ZBM_FLAG_* */
|
|
|
|
/* fields used for bookmark written size */
|
|
uint64_t zbm_referenced_bytes_refd;
|
|
uint64_t zbm_compressed_bytes_refd;
|
|
uint64_t zbm_uncompressed_bytes_refd;
|
|
uint64_t zbm_referenced_freed_before_next_snap;
|
|
uint64_t zbm_compressed_freed_before_next_snap;
|
|
uint64_t zbm_uncompressed_freed_before_next_snap;
|
|
|
|
/* fields used for raw sends */
|
|
uint64_t zbm_ivset_guid;
|
|
} zfs_bookmark_phys_t;
|
|
|
|
|
|
#define BOOKMARK_PHYS_SIZE_V1 (3 * sizeof (uint64_t))
|
|
#define BOOKMARK_PHYS_SIZE_V2 (12 * sizeof (uint64_t))
|
|
|
|
typedef enum zbm_flags {
|
|
ZBM_FLAG_HAS_FBN = (1 << 0),
|
|
ZBM_FLAG_SNAPSHOT_EXISTS = (1 << 1),
|
|
} zbm_flags_t;
|
|
|
|
typedef struct redaction_list_phys {
|
|
uint64_t rlp_last_object;
|
|
uint64_t rlp_last_blkid;
|
|
uint64_t rlp_num_entries;
|
|
uint64_t rlp_num_snaps;
|
|
uint64_t rlp_snaps[]; /* variable length */
|
|
} redaction_list_phys_t;
|
|
|
|
typedef struct redaction_list {
|
|
dmu_buf_user_t rl_dbu;
|
|
redaction_list_phys_t *rl_phys;
|
|
dmu_buf_t *rl_dbuf;
|
|
uint64_t rl_object;
|
|
zfs_refcount_t rl_longholds;
|
|
objset_t *rl_mos;
|
|
} redaction_list_t;
|
|
|
|
/* node in ds_bookmarks */
|
|
typedef struct dsl_bookmark_node {
|
|
char *dbn_name; /* free with strfree() */
|
|
kmutex_t dbn_lock; /* protects dirty/phys in block_killed */
|
|
boolean_t dbn_dirty; /* in currently syncing txg */
|
|
zfs_bookmark_phys_t dbn_phys;
|
|
avl_node_t dbn_node;
|
|
} dsl_bookmark_node_t;
|
|
|
|
typedef struct redact_block_phys {
|
|
uint64_t rbp_object;
|
|
uint64_t rbp_blkid;
|
|
/*
|
|
* The top 16 bits of this field represent the block size in sectors of
|
|
* the blocks in question; the bottom 48 bits are used to store the
|
|
* number of consecutive blocks that are in the redaction list. They
|
|
* should be accessed using the inline functions below.
|
|
*/
|
|
uint64_t rbp_size_count;
|
|
uint64_t rbp_padding;
|
|
} redact_block_phys_t;
|
|
|
|
typedef int (*rl_traverse_callback_t)(redact_block_phys_t *, void *);
|
|
|
|
|
|
typedef struct dsl_bookmark_create_arg {
|
|
nvlist_t *dbca_bmarks;
|
|
nvlist_t *dbca_errors;
|
|
} dsl_bookmark_create_arg_t;
|
|
|
|
typedef struct dsl_bookmark_create_redacted_arg {
|
|
const char *dbcra_bmark;
|
|
const char *dbcra_snap;
|
|
redaction_list_t **dbcra_rl;
|
|
uint64_t dbcra_numsnaps;
|
|
uint64_t *dbcra_snaps;
|
|
void *dbcra_tag;
|
|
} dsl_bookmark_create_redacted_arg_t;
|
|
|
|
int dsl_bookmark_create(nvlist_t *, nvlist_t *);
|
|
int dsl_bookmark_create_nvl_validate(nvlist_t *);
|
|
int dsl_bookmark_create_check(void *arg, dmu_tx_t *tx);
|
|
void dsl_bookmark_create_sync(void *arg, dmu_tx_t *tx);
|
|
int dsl_bookmark_create_redacted(const char *, const char *, uint64_t,
|
|
uint64_t *, void *, redaction_list_t **);
|
|
int dsl_get_bookmarks(const char *, nvlist_t *, nvlist_t *);
|
|
int dsl_get_bookmarks_impl(dsl_dataset_t *, nvlist_t *, nvlist_t *);
|
|
int dsl_get_bookmark_props(const char *, const char *, nvlist_t *);
|
|
int dsl_bookmark_destroy(nvlist_t *, nvlist_t *);
|
|
int dsl_bookmark_lookup(struct dsl_pool *, const char *,
|
|
struct dsl_dataset *, zfs_bookmark_phys_t *);
|
|
int dsl_bookmark_lookup_impl(dsl_dataset_t *, const char *,
|
|
zfs_bookmark_phys_t *);
|
|
int dsl_redaction_list_hold_obj(struct dsl_pool *, uint64_t, void *,
|
|
redaction_list_t **);
|
|
void dsl_redaction_list_rele(redaction_list_t *, void *);
|
|
void dsl_redaction_list_long_hold(struct dsl_pool *, redaction_list_t *,
|
|
void *);
|
|
void dsl_redaction_list_long_rele(redaction_list_t *, void *);
|
|
boolean_t dsl_redaction_list_long_held(redaction_list_t *);
|
|
int dsl_bookmark_init_ds(dsl_dataset_t *);
|
|
void dsl_bookmark_fini_ds(dsl_dataset_t *);
|
|
boolean_t dsl_bookmark_ds_destroyed(dsl_dataset_t *, dmu_tx_t *);
|
|
void dsl_bookmark_snapshotted(dsl_dataset_t *, dmu_tx_t *);
|
|
void dsl_bookmark_block_killed(dsl_dataset_t *, const blkptr_t *, dmu_tx_t *);
|
|
void dsl_bookmark_sync_done(dsl_dataset_t *, dmu_tx_t *);
|
|
void dsl_bookmark_node_add(dsl_dataset_t *, dsl_bookmark_node_t *, dmu_tx_t *);
|
|
uint64_t dsl_bookmark_latest_txg(dsl_dataset_t *);
|
|
int dsl_redaction_list_traverse(redaction_list_t *, zbookmark_phys_t *,
|
|
rl_traverse_callback_t, void *);
|
|
void dsl_bookmark_next_changed(dsl_dataset_t *, dsl_dataset_t *, dmu_tx_t *);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_DSL_BOOKMARK_H */
|