zfeature.h revision 0713e232b7712cd27d99e1e935ebb8d5de61c57d
/*
* 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 "zfeature_common.h"
#ifdef __cplusplus
extern "C" {
#endif
struct spa;
struct dmu_tx;
struct objset;
extern boolean_t feature_is_supported(struct objset *os, uint64_t obj,
uint64_t desc_obj, nvlist_t *unsup_feat, nvlist_t *enabled_feat);
extern void spa_feature_create_zap_objects(struct spa *, struct dmu_tx *);
extern void spa_feature_enable(struct spa *, zfeature_info_t *,
struct dmu_tx *);
extern void spa_feature_incr(struct spa *, zfeature_info_t *, struct dmu_tx *);
extern void spa_feature_decr(struct spa *, zfeature_info_t *, struct dmu_tx *);
extern boolean_t spa_feature_is_enabled(struct spa *, zfeature_info_t *);
extern boolean_t spa_feature_is_active(struct spa *, zfeature_info_t *);
extern int spa_feature_get_refcount(struct spa *, zfeature_info_t *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZFEATURE_H */