xref: /netbsd-src/external/cddl/osnet/dist/uts/common/fs/zfs/sys/trim_map.h (revision 3227e6cf668bd374971740bd6660f43cee4417ac)
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  * Copyright (c) 2012 Pawel Jakub Dawidek <pawel@dawidek.net>.
23  * All rights reserved.
24  */
25 
26 #ifndef _SYS_TRIM_MAP_H
27 #define	_SYS_TRIM_MAP_H
28 
29 #include <sys/avl.h>
30 #include <sys/list.h>
31 #include <sys/spa.h>
32 
33 #ifdef	__cplusplus
34 extern "C" {
35 #endif
36 
37 extern void trim_map_create(vdev_t *vd);
38 extern void trim_map_destroy(vdev_t *vd);
39 extern void trim_map_free(vdev_t *vd, uint64_t offset, uint64_t size, uint64_t txg);
40 extern boolean_t trim_map_write_start(zio_t *zio);
41 extern void trim_map_write_done(zio_t *zio);
42 
43 extern void trim_thread_create(spa_t *spa);
44 extern void trim_thread_destroy(spa_t *spa);
45 extern void trim_thread_wakeup(spa_t *spa);
46 
47 #ifdef	__cplusplus
48 }
49 #endif
50 
51 #endif	/* _SYS_TRIM_MAP_H */
52