73 lines
2.4 KiB
C
73 lines
2.4 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) 2013 by Delphix. All rights reserved.
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*/
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#ifndef _SYS_ZFEATURE_H
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#define _SYS_ZFEATURE_H
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#include <sys/nvpair.h>
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#include <sys/txg.h>
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#include "zfeature_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define VALID_FEATURE_FID(fid) ((fid) >= 0 && (fid) < SPA_FEATURES)
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#define VALID_FEATURE_OR_NONE(fid) ((fid) == SPA_FEATURE_NONE || \
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VALID_FEATURE_FID(fid))
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struct spa;
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struct dmu_tx;
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struct objset;
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extern void spa_feature_create_zap_objects(struct spa *, struct dmu_tx *);
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extern void spa_feature_enable(struct spa *, spa_feature_t,
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struct dmu_tx *);
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extern void spa_feature_incr(struct spa *, spa_feature_t, struct dmu_tx *);
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extern void spa_feature_decr(struct spa *, spa_feature_t, struct dmu_tx *);
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extern boolean_t spa_feature_is_enabled(struct spa *, spa_feature_t);
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extern boolean_t spa_feature_is_active(struct spa *, spa_feature_t);
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extern boolean_t spa_feature_enabled_txg(spa_t *spa, spa_feature_t fid,
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uint64_t *txg);
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extern uint64_t spa_feature_refcount(spa_t *, spa_feature_t, uint64_t);
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extern boolean_t spa_features_check(spa_t *, boolean_t, nvlist_t *, nvlist_t *);
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/*
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* These functions are only exported for zhack and zdb; normal callers should
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* use the above interfaces.
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*/
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extern int feature_get_refcount(struct spa *, zfeature_info_t *, uint64_t *);
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extern int feature_get_refcount_from_disk(spa_t *spa, zfeature_info_t *feature,
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uint64_t *res);
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extern void feature_enable_sync(struct spa *, zfeature_info_t *,
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struct dmu_tx *);
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extern void feature_sync(struct spa *, zfeature_info_t *, uint64_t,
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struct dmu_tx *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_ZFEATURE_H */
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