xref: /illumos-gate/usr/src/uts/common/fs/zfs/sys/dsl_synctask.h (revision 69a119caa6570c7077699161b7c28b6ee9f8b0f4)
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  * Copyright (c) 2012 by Delphix. All rights reserved.
24  */
25 
26 #ifndef	_SYS_DSL_SYNCTASK_H
27 #define	_SYS_DSL_SYNCTASK_H
28 
29 #include <sys/txg.h>
30 #include <sys/zfs_context.h>
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 struct dsl_pool;
37 
38 typedef int (dsl_checkfunc_t)(void *, dmu_tx_t *);
39 typedef void (dsl_syncfunc_t)(void *, dmu_tx_t *);
40 
41 typedef struct dsl_sync_task {
42 	txg_node_t dst_node;
43 	struct dsl_pool *dst_pool;
44 	uint64_t dst_txg;
45 	int dst_space;
46 	dsl_checkfunc_t *dst_checkfunc;
47 	dsl_syncfunc_t *dst_syncfunc;
48 	void *dst_arg;
49 	int dst_error;
50 	boolean_t dst_nowaiter;
51 } dsl_sync_task_t;
52 
53 void dsl_sync_task_sync(dsl_sync_task_t *dst, dmu_tx_t *tx);
54 int dsl_sync_task(const char *pool, dsl_checkfunc_t *checkfunc,
55     dsl_syncfunc_t *syncfunc, void *arg, int blocks_modified);
56 void dsl_sync_task_nowait(struct dsl_pool *dp, dsl_syncfunc_t *syncfunc,
57     void *arg, int blocks_modified, dmu_tx_t *tx);
58 
59 #ifdef	__cplusplus
60 }
61 #endif
62 
63 #endif /* _SYS_DSL_SYNCTASK_H */
64