mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2025-01-03 23:09:35 +03:00
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
|
|
* 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 2008 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
#ifndef _SYS_DSL_POOL_H
|
|
#define _SYS_DSL_POOL_H
|
|
|
|
#pragma ident "@(#)dsl_pool.h 1.5 08/03/20 SMI"
|
|
|
|
#include <sys/spa.h>
|
|
#include <sys/txg.h>
|
|
#include <sys/txg_impl.h>
|
|
#include <sys/zfs_context.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct objset;
|
|
struct dsl_dir;
|
|
|
|
typedef struct dsl_pool {
|
|
/* Immutable */
|
|
spa_t *dp_spa;
|
|
struct objset *dp_meta_objset;
|
|
struct dsl_dir *dp_root_dir;
|
|
struct dsl_dir *dp_mos_dir;
|
|
uint64_t dp_root_dir_obj;
|
|
|
|
/* No lock needed - sync context only */
|
|
blkptr_t dp_meta_rootbp;
|
|
list_t dp_synced_datasets;
|
|
uint64_t dp_write_limit;
|
|
|
|
/* Uses dp_lock */
|
|
kmutex_t dp_lock;
|
|
uint64_t dp_space_towrite[TXG_SIZE];
|
|
uint64_t dp_tempreserved[TXG_SIZE];
|
|
|
|
/* Has its own locking */
|
|
tx_state_t dp_tx;
|
|
txg_list_t dp_dirty_datasets;
|
|
txg_list_t dp_dirty_dirs;
|
|
txg_list_t dp_sync_tasks;
|
|
|
|
/*
|
|
* Protects administrative changes (properties, namespace)
|
|
* It is only held for write in syncing context. Therefore
|
|
* syncing context does not need to ever have it for read, since
|
|
* nobody else could possibly have it for write.
|
|
*/
|
|
krwlock_t dp_config_rwlock;
|
|
} dsl_pool_t;
|
|
|
|
int dsl_pool_open(spa_t *spa, uint64_t txg, dsl_pool_t **dpp);
|
|
void dsl_pool_close(dsl_pool_t *dp);
|
|
dsl_pool_t *dsl_pool_create(spa_t *spa, uint64_t txg);
|
|
void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg);
|
|
void dsl_pool_zil_clean(dsl_pool_t *dp);
|
|
int dsl_pool_sync_context(dsl_pool_t *dp);
|
|
uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree);
|
|
int dsl_pool_tempreserve_space(dsl_pool_t *dp, uint64_t space, dmu_tx_t *tx);
|
|
void dsl_pool_tempreserve_clear(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx);
|
|
void dsl_pool_memory_pressure(dsl_pool_t *dp);
|
|
void dsl_pool_willuse_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_DSL_POOL_H */
|