xref: /freebsd/sys/contrib/openzfs/include/sys/brt.h (revision 4d846d26)
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 https://opensource.org/licenses/CDDL-1.0.
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  * Copyright (c) 2020, 2021, 2022 by Pawel Jakub Dawidek
23  */
24 
25 #ifndef _SYS_BRT_H
26 #define	_SYS_BRT_H
27 
28 #include <sys/sysmacros.h>
29 #include <sys/types.h>
30 #include <sys/fs/zfs.h>
31 #include <sys/zio.h>
32 #include <sys/dmu.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 extern boolean_t brt_entry_decref(spa_t *spa, const blkptr_t *bp);
39 
40 extern uint64_t brt_get_dspace(spa_t *spa);
41 extern uint64_t brt_get_used(spa_t *spa);
42 extern uint64_t brt_get_saved(spa_t *spa);
43 extern uint64_t brt_get_ratio(spa_t *spa);
44 
45 extern boolean_t brt_maybe_exists(spa_t *spa, const blkptr_t *bp);
46 extern void brt_init(void);
47 extern void brt_fini(void);
48 
49 extern void brt_pending_add(spa_t *spa, const blkptr_t *bp, dmu_tx_t *tx);
50 extern void brt_pending_remove(spa_t *spa, const blkptr_t *bp, dmu_tx_t *tx);
51 extern void brt_pending_apply(spa_t *spa, uint64_t txg);
52 
53 extern void brt_create(spa_t *spa);
54 extern int brt_load(spa_t *spa);
55 extern void brt_unload(spa_t *spa);
56 extern void brt_sync(spa_t *spa, uint64_t txg);
57 
58 #ifdef	__cplusplus
59 }
60 #endif
61 
62 #endif	/* _SYS_BRT_H */
63