dsl_synctask.h revision 1.1.1.1 
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 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_SYS_DSL_SYNCTASK_H
27#define	_SYS_DSL_SYNCTASK_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include <sys/txg.h>
32#include <sys/zfs_context.h>
33
34#ifdef	__cplusplus
35extern "C" {
36#endif
37
38struct dsl_pool;
39
40typedef int (dsl_checkfunc_t)(void *, void *, dmu_tx_t *);
41typedef void (dsl_syncfunc_t)(void *, void *, cred_t *, dmu_tx_t *);
42
43typedef struct dsl_sync_task {
44	list_node_t dst_node;
45	dsl_checkfunc_t *dst_checkfunc;
46	dsl_syncfunc_t *dst_syncfunc;
47	void *dst_arg1;
48	void *dst_arg2;
49	int dst_err;
50} dsl_sync_task_t;
51
52typedef struct dsl_sync_task_group {
53	txg_node_t dstg_node;
54	list_t dstg_tasks;
55	struct dsl_pool *dstg_pool;
56	cred_t *dstg_cr;
57	uint64_t dstg_txg;
58	int dstg_err;
59	int dstg_space;
60	boolean_t dstg_nowaiter;
61} dsl_sync_task_group_t;
62
63dsl_sync_task_group_t *dsl_sync_task_group_create(struct dsl_pool *dp);
64void dsl_sync_task_create(dsl_sync_task_group_t *dstg,
65    dsl_checkfunc_t *, dsl_syncfunc_t *,
66    void *arg1, void *arg2, int blocks_modified);
67int dsl_sync_task_group_wait(dsl_sync_task_group_t *dstg);
68void dsl_sync_task_group_nowait(dsl_sync_task_group_t *dstg, dmu_tx_t *tx);
69void dsl_sync_task_group_destroy(dsl_sync_task_group_t *dstg);
70void dsl_sync_task_group_sync(dsl_sync_task_group_t *dstg, dmu_tx_t *tx);
71
72int dsl_sync_task_do(struct dsl_pool *dp,
73    dsl_checkfunc_t *checkfunc, dsl_syncfunc_t *syncfunc,
74    void *arg1, void *arg2, int blocks_modified);
75void dsl_sync_task_do_nowait(struct dsl_pool *dp,
76    dsl_checkfunc_t *checkfunc, dsl_syncfunc_t *syncfunc,
77    void *arg1, void *arg2, int blocks_modified, dmu_tx_t *tx);
78
79#ifdef	__cplusplus
80}
81#endif
82
83#endif /* _SYS_DSL_SYNCTASK_H */
84