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8b712842 CM |
1 | /* |
2 | * Copyright (C) 2007 Oracle. All rights reserved. | |
08a9ff32 | 3 | * Copyright (C) 2014 Fujitsu. All rights reserved. |
8b712842 CM |
4 | * |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public | |
7 | * License v2 as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public | |
15 | * License along with this program; if not, write to the | |
16 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | * Boston, MA 021110-1307, USA. | |
18 | */ | |
19 | ||
20 | #ifndef __BTRFS_ASYNC_THREAD_ | |
21 | #define __BTRFS_ASYNC_THREAD_ | |
22 | ||
d458b054 | 23 | struct btrfs_workqueue; |
1ca08976 | 24 | /* Internal use only */ |
d458b054 | 25 | struct __btrfs_workqueue; |
6db8914f QW |
26 | struct btrfs_work; |
27 | typedef void (*btrfs_func_t)(struct btrfs_work *arg); | |
08a9ff32 | 28 | |
d458b054 | 29 | struct btrfs_work { |
6db8914f QW |
30 | btrfs_func_t func; |
31 | btrfs_func_t ordered_func; | |
32 | btrfs_func_t ordered_free; | |
08a9ff32 QW |
33 | |
34 | /* Don't touch things below */ | |
35 | struct work_struct normal_work; | |
36 | struct list_head ordered_list; | |
d458b054 | 37 | struct __btrfs_workqueue *wq; |
08a9ff32 QW |
38 | unsigned long flags; |
39 | }; | |
40 | ||
c3a46891 | 41 | struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name, |
6db8914f QW |
42 | int flags, |
43 | int max_active, | |
44 | int thresh); | |
d458b054 | 45 | void btrfs_init_work(struct btrfs_work *work, |
6db8914f QW |
46 | btrfs_func_t func, |
47 | btrfs_func_t ordered_func, | |
48 | btrfs_func_t ordered_free); | |
d458b054 QW |
49 | void btrfs_queue_work(struct btrfs_workqueue *wq, |
50 | struct btrfs_work *work); | |
51 | void btrfs_destroy_workqueue(struct btrfs_workqueue *wq); | |
52 | void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max); | |
53 | void btrfs_set_work_high_priority(struct btrfs_work *work); | |
8b712842 | 54 | #endif |