xref: /illumos-gate/usr/src/uts/common/fs/zfs/sys/vdev_trim.h (revision 084fd14f7c3336eb67ee283cabad2da8998b00d6)
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) 2019 Lawrence Livermore National Security, LLC.
24  */
25 
26 #ifndef _SYS_VDEV_TRIM_H
27 #define	_SYS_VDEV_TRIM_H
28 
29 #include <sys/spa.h>
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 extern unsigned int zfs_trim_metaslab_skip;
36 
37 extern void vdev_trim(vdev_t *vd, uint64_t rate, boolean_t partial,
38     boolean_t secure);
39 extern void vdev_trim_stop(vdev_t *vd, vdev_trim_state_t tgt, list_t *vd_list);
40 extern void vdev_trim_stop_all(vdev_t *vd, vdev_trim_state_t tgt_state);
41 extern void vdev_trim_stop_wait(spa_t *spa, list_t *vd_list);
42 extern void vdev_trim_restart(vdev_t *vd);
43 extern void vdev_autotrim(spa_t *spa);
44 extern void vdev_autotrim_stop_all(spa_t *spa);
45 extern void vdev_autotrim_stop_wait(vdev_t *vd);
46 extern void vdev_autotrim_restart(spa_t *spa);
47 
48 #ifdef	__cplusplus
49 }
50 #endif
51 
52 #endif	/* _SYS_VDEV_TRIM_H */
53