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.
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.
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]
22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
26 #ifndef _SYS_DSL_POOL_H
27 #define _SYS_DSL_POOL_H
29 #pragma ident "%Z%%M% %I% %E% SMI"
33 #include <sys/txg_impl.h>
34 #include <sys/zfs_context.h>
43 typedef struct dsl_pool {
46 struct objset *dp_meta_objset;
47 struct dsl_dir *dp_root_dir;
48 struct dsl_dir *dp_mos_dir;
49 uint64_t dp_root_dir_obj;
51 /* No lock needed - sync context only */
52 blkptr_t dp_meta_rootbp;
53 list_t dp_synced_objsets;
55 /* Has its own locking */
57 txg_list_t dp_dirty_datasets;
58 txg_list_t dp_dirty_dirs;
59 txg_list_t dp_sync_tasks;
62 * Protects administrative changes (properties, namespace)
63 * It is only held for write in syncing context. Therefore
64 * syncing context does not need to ever have it for read, since
65 * nobody else could possibly have it for write.
67 krwlock_t dp_config_rwlock;
70 int dsl_pool_open(spa_t *spa, uint64_t txg, dsl_pool_t **dpp);
71 void dsl_pool_close(dsl_pool_t *dp);
72 dsl_pool_t *dsl_pool_create(spa_t *spa, uint64_t txg);
73 void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg);
74 void dsl_pool_zil_clean(dsl_pool_t *dp);
75 int dsl_pool_sync_context(dsl_pool_t *dp);
76 uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree);
82 #endif /* _SYS_DSL_POOL_H */