xref: /illumos-gate/usr/src/uts/common/fs/zfs/sys/spa_checkpoint.h (revision b93865c3d90e9b0d73e338c9abb3293c35c571a8)
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) 2017 by Delphix. All rights reserved.
24  */
25 
26 #ifndef _SYS_SPA_CHECKPOINT_H
27 #define	_SYS_SPA_CHECKPOINT_H
28 
29 #include <sys/zthr.h>
30 
31 typedef struct spa_checkpoint_info {
32 	uint64_t sci_timestamp; /* when checkpointed uberblock was synced  */
33 	uint64_t sci_dspace;    /* disk space used by checkpoint in bytes */
34 } spa_checkpoint_info_t;
35 
36 int spa_checkpoint(const char *);
37 int spa_checkpoint_discard(const char *);
38 
39 boolean_t spa_checkpoint_discard_thread_check(void *, zthr_t *);
40 void spa_checkpoint_discard_thread(void *, zthr_t *);
41 
42 int spa_checkpoint_get_stats(spa_t *, pool_checkpoint_stat_t *);
43 
44 #endif /* _SYS_SPA_CHECKPOINT_H */
45