1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2012 by Delphix. All rights reserved. 24 */ 25 26 #ifndef _SYS_ZFEATURE_H 27 #define _SYS_ZFEATURE_H 28 29 #include <sys/nvpair.h> 30 #include "zfeature_common.h" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 struct spa; 37 struct dmu_tx; 38 struct objset; 39 40 extern boolean_t feature_is_supported(struct objset *os, uint64_t obj, 41 uint64_t desc_obj, nvlist_t *unsup_feat, nvlist_t *enabled_feat); 42 43 extern void spa_feature_create_zap_objects(struct spa *, struct dmu_tx *); 44 extern void spa_feature_enable(struct spa *, zfeature_info_t *, 45 struct dmu_tx *); 46 extern void spa_feature_incr(struct spa *, zfeature_info_t *, struct dmu_tx *); 47 extern void spa_feature_decr(struct spa *, zfeature_info_t *, struct dmu_tx *); 48 extern boolean_t spa_feature_is_enabled(struct spa *, zfeature_info_t *); 49 extern boolean_t spa_feature_is_active(struct spa *, zfeature_info_t *); 50 51 #ifdef __cplusplus 52 } 53 #endif 54 55 #endif /* _SYS_ZFEATURE_H */ 56