1*fa9e4066Sahrens /* 2*fa9e4066Sahrens * CDDL HEADER START 3*fa9e4066Sahrens * 4*fa9e4066Sahrens * The contents of this file are subject to the terms of the 5*fa9e4066Sahrens * Common Development and Distribution License, Version 1.0 only 6*fa9e4066Sahrens * (the "License"). You may not use this file except in compliance 7*fa9e4066Sahrens * with the License. 8*fa9e4066Sahrens * 9*fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 11*fa9e4066Sahrens * See the License for the specific language governing permissions 12*fa9e4066Sahrens * and limitations under the License. 13*fa9e4066Sahrens * 14*fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 15*fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 17*fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 18*fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 19*fa9e4066Sahrens * 20*fa9e4066Sahrens * CDDL HEADER END 21*fa9e4066Sahrens */ 22*fa9e4066Sahrens /* 23*fa9e4066Sahrens * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*fa9e4066Sahrens * Use is subject to license terms. 25*fa9e4066Sahrens */ 26*fa9e4066Sahrens 27*fa9e4066Sahrens #ifndef _SYS_DSL_POOL_H 28*fa9e4066Sahrens #define _SYS_DSL_POOL_H 29*fa9e4066Sahrens 30*fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 31*fa9e4066Sahrens 32*fa9e4066Sahrens #include <sys/spa.h> 33*fa9e4066Sahrens #include <sys/txg.h> 34*fa9e4066Sahrens #include <sys/txg_impl.h> 35*fa9e4066Sahrens #include <sys/zfs_context.h> 36*fa9e4066Sahrens 37*fa9e4066Sahrens #ifdef __cplusplus 38*fa9e4066Sahrens extern "C" { 39*fa9e4066Sahrens #endif 40*fa9e4066Sahrens 41*fa9e4066Sahrens struct objset; 42*fa9e4066Sahrens struct dsl_dir; 43*fa9e4066Sahrens 44*fa9e4066Sahrens typedef struct dsl_pool { 45*fa9e4066Sahrens /* Immutable */ 46*fa9e4066Sahrens spa_t *dp_spa; 47*fa9e4066Sahrens struct objset *dp_meta_objset; 48*fa9e4066Sahrens struct dsl_dir *dp_root_dir; 49*fa9e4066Sahrens struct dsl_dir *dp_mos_dir; 50*fa9e4066Sahrens uint64_t dp_root_dir_obj; 51*fa9e4066Sahrens 52*fa9e4066Sahrens /* No lock needed - sync context only */ 53*fa9e4066Sahrens blkptr_t dp_meta_rootbp; 54*fa9e4066Sahrens list_t dp_synced_objsets; 55*fa9e4066Sahrens 56*fa9e4066Sahrens /* Has its own locking */ 57*fa9e4066Sahrens tx_state_t dp_tx; 58*fa9e4066Sahrens txg_list_t dp_dirty_datasets; 59*fa9e4066Sahrens txg_list_t dp_dirty_dirs; 60*fa9e4066Sahrens 61*fa9e4066Sahrens /* 62*fa9e4066Sahrens * Protects administrative changes (properties, namespace) 63*fa9e4066Sahrens * It is only held for write in syncing context. Therefore 64*fa9e4066Sahrens * syncing context does not need to ever have it for read, since 65*fa9e4066Sahrens * nobody else could possibly have it for write. 66*fa9e4066Sahrens */ 67*fa9e4066Sahrens krwlock_t dp_config_rwlock; 68*fa9e4066Sahrens } dsl_pool_t; 69*fa9e4066Sahrens 70*fa9e4066Sahrens dsl_pool_t *dsl_pool_open(spa_t *spa, uint64_t txg); 71*fa9e4066Sahrens void dsl_pool_close(dsl_pool_t *dp); 72*fa9e4066Sahrens dsl_pool_t *dsl_pool_create(spa_t *spa, uint64_t txg); 73*fa9e4066Sahrens void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg); 74*fa9e4066Sahrens void dsl_pool_zil_clean(dsl_pool_t *dp); 75*fa9e4066Sahrens int dsl_pool_sync_context(dsl_pool_t *dp); 76*fa9e4066Sahrens uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree); 77*fa9e4066Sahrens 78*fa9e4066Sahrens #ifdef __cplusplus 79*fa9e4066Sahrens } 80*fa9e4066Sahrens #endif 81*fa9e4066Sahrens 82*fa9e4066Sahrens #endif /* _SYS_DSL_POOL_H */ 83