freebsd-dev/include/sys/zfeature.h
Brian Behlendorf ada8258141 Revert "zhack: Add 'feature disable' command"
This reverts commit 8302528617 and
ebecfcd699 which broke the build.
While these patches do apply cleanly and passed previous test
runs they need to be updated to account for the changes made in
commit 241b541574.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #3878
2016-05-17 11:52:07 -07:00

74 lines
2.4 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2013 by Delphix. All rights reserved.
*/
#ifndef _SYS_ZFEATURE_H
#define _SYS_ZFEATURE_H
#include <sys/nvpair.h>
#include <sys/txg.h>
#include "zfeature_common.h"
#ifdef __cplusplus
extern "C" {
#endif
#define VALID_FEATURE_FID(fid) ((fid) >= 0 && (fid) < SPA_FEATURES)
#define VALID_FEATURE_OR_NONE(fid) ((fid) == SPA_FEATURE_NONE || \
VALID_FEATURE_FID(fid))
struct spa;
struct dmu_tx;
struct objset;
extern void spa_feature_create_zap_objects(struct spa *, struct dmu_tx *);
extern void spa_feature_enable(struct spa *, spa_feature_t,
struct dmu_tx *);
extern void spa_feature_incr(struct spa *, spa_feature_t, struct dmu_tx *);
extern void spa_feature_decr(struct spa *, spa_feature_t, struct dmu_tx *);
extern boolean_t spa_feature_is_enabled(struct spa *, spa_feature_t);
extern boolean_t spa_feature_is_active(struct spa *, spa_feature_t);
extern boolean_t spa_feature_enabled_txg(spa_t *spa, spa_feature_t fid,
uint64_t *txg);
extern uint64_t spa_feature_refcount(spa_t *, spa_feature_t, uint64_t);
extern boolean_t spa_features_check(spa_t *, boolean_t, nvlist_t *, nvlist_t *);
/*
* These functions are only exported for zhack and zdb; normal callers should
* use the above interfaces.
*/
extern int feature_get_refcount(struct spa *, zfeature_info_t *, uint64_t *);
extern int feature_get_refcount_from_disk(spa_t *spa, zfeature_info_t *feature,
uint64_t *res);
extern void feature_enable_sync(struct spa *, zfeature_info_t *,
struct dmu_tx *);
extern void feature_sync(struct spa *, zfeature_info_t *, uint64_t,
struct dmu_tx *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZFEATURE_H */