xref: /freebsd/sys/contrib/openzfs/include/sys/spa_checkpoint.h (revision 61145dc2b94f12f6a47344fb9aac702321880e43)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * CDDL HEADER START
4  *
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License (the "License").
7  * You may not use this file except in compliance with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or https://opensource.org/licenses/CDDL-1.0.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 
23 /*
24  * Copyright (c) 2017 by Delphix. All rights reserved.
25  */
26 
27 #ifndef _SYS_SPA_CHECKPOINT_H
28 #define	_SYS_SPA_CHECKPOINT_H
29 
30 #include <sys/zthr.h>
31 
32 typedef struct spa_checkpoint_info {
33 	uint64_t sci_timestamp; /* when checkpointed uberblock was synced  */
34 	uint64_t sci_dspace;    /* disk space used by checkpoint in bytes */
35 } spa_checkpoint_info_t;
36 
37 int spa_checkpoint(const char *);
38 int spa_checkpoint_discard(const char *);
39 
40 boolean_t spa_checkpoint_discard_thread_check(void *, zthr_t *);
41 void spa_checkpoint_discard_thread(void *, zthr_t *);
42 
43 int spa_checkpoint_get_stats(spa_t *, pool_checkpoint_stat_t *);
44 
45 #endif /* _SYS_SPA_CHECKPOINT_H */
46