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/dmu.h> 30 #include <sys/nvpair.h> 31 #include "zfeature_common.h" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 extern boolean_t feature_is_supported(objset_t *os, uint64_t obj, 38 uint64_t desc_obj, nvlist_t *unsup_feat, nvlist_t *enabled_feat); 39 40 struct spa; 41 extern void spa_feature_create_zap_objects(struct spa *, dmu_tx_t *); 42 extern void spa_feature_enable(struct spa *, zfeature_info_t *, dmu_tx_t *); 43 extern void spa_feature_incr(struct spa *, zfeature_info_t *, dmu_tx_t *); 44 extern void spa_feature_decr(struct spa *, zfeature_info_t *, dmu_tx_t *); 45 extern boolean_t spa_feature_is_enabled(struct spa *, zfeature_info_t *); 46 extern boolean_t spa_feature_is_active(struct spa *, zfeature_info_t *); 47 48 #ifdef __cplusplus 49 } 50 #endif 51 52 #endif /* _SYS_ZFEATURE_H */ 53