summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/async-thread.h
blob: 08d7174762275b68389ec012690a80428de30eb7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/*
 * Copyright (C) 2007 Oracle.  All rights reserved.
 * Copyright (C) 2014 Fujitsu.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License v2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 */

#ifndef __BTRFS_ASYNC_THREAD_
#define __BTRFS_ASYNC_THREAD_

struct btrfs_workqueue;
/* Internal use only */
struct __btrfs_workqueue;

struct btrfs_work {
	void (*func)(struct btrfs_work *arg);
	void (*ordered_func)(struct btrfs_work *arg);
	void (*ordered_free)(struct btrfs_work *arg);

	/* Don't touch things below */
	struct work_struct normal_work;
	struct list_head ordered_list;
	struct __btrfs_workqueue *wq;
	unsigned long flags;
};

struct btrfs_workqueue *btrfs_alloc_workqueue(char *name,
						     int flags,
						     int max_active,
						     int thresh);
void btrfs_init_work(struct btrfs_work *work,
		     void (*func)(struct btrfs_work *),
		     void (*ordered_func)(struct btrfs_work *),
		     void (*ordered_free)(struct btrfs_work *));
void btrfs_queue_work(struct btrfs_workqueue *wq,
		      struct btrfs_work *work);
void btrfs_destroy_workqueue(struct btrfs_workqueue *wq);
void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max);
void btrfs_set_work_high_priority(struct btrfs_work *work);
#endif