xref: /illumos-gate/usr/src/uts/common/fs/zfs/sys/bplist.h (revision 382f00c9)
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) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 #ifndef	_SYS_BPLIST_H
26 #define	_SYS_BPLIST_H
27 
28 #include <sys/zfs_context.h>
29 #include <sys/spa.h>
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 typedef struct bplist_entry {
36 	blkptr_t	bpe_blk;
37 	list_node_t	bpe_node;
38 } bplist_entry_t;
39 
40 typedef struct bplist {
41 	kmutex_t	bpl_lock;
42 	list_t		bpl_list;
43 } bplist_t;
44 
45 typedef int bplist_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
46 
47 void bplist_create(bplist_t *bpl);
48 void bplist_destroy(bplist_t *bpl);
49 void bplist_append(bplist_t *bpl, const blkptr_t *bp);
50 void bplist_iterate(bplist_t *bpl, bplist_itor_t *func,
51     void *arg, dmu_tx_t *tx);
52 
53 #ifdef	__cplusplus
54 }
55 #endif
56 
57 #endif /* _SYS_BPLIST_H */
58