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Commit | Line | Data |
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9888c340 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
8b712842 CM |
2 | /* |
3 | * Copyright (C) 2007 Oracle. All rights reserved. | |
08a9ff32 | 4 | * Copyright (C) 2014 Fujitsu. All rights reserved. |
8b712842 CM |
5 | */ |
6 | ||
9888c340 DS |
7 | #ifndef BTRFS_ASYNC_THREAD_H |
8 | #define BTRFS_ASYNC_THREAD_H | |
9 | ||
9e0af237 | 10 | #include <linux/workqueue.h> |
8b712842 | 11 | |
cb001095 | 12 | struct btrfs_fs_info; |
d458b054 | 13 | struct btrfs_workqueue; |
1ca08976 | 14 | /* Internal use only */ |
d458b054 | 15 | struct __btrfs_workqueue; |
6db8914f QW |
16 | struct btrfs_work; |
17 | typedef void (*btrfs_func_t)(struct btrfs_work *arg); | |
9e0af237 | 18 | typedef void (*btrfs_work_func_t)(struct work_struct *arg); |
08a9ff32 | 19 | |
d458b054 | 20 | struct btrfs_work { |
6db8914f QW |
21 | btrfs_func_t func; |
22 | btrfs_func_t ordered_func; | |
23 | btrfs_func_t ordered_free; | |
08a9ff32 QW |
24 | |
25 | /* Don't touch things below */ | |
26 | struct work_struct normal_work; | |
27 | struct list_head ordered_list; | |
d458b054 | 28 | struct __btrfs_workqueue *wq; |
08a9ff32 QW |
29 | unsigned long flags; |
30 | }; | |
31 | ||
cb001095 JM |
32 | struct btrfs_workqueue *btrfs_alloc_workqueue(struct btrfs_fs_info *fs_info, |
33 | const char *name, | |
6f011058 | 34 | unsigned int flags, |
c6dd6ea5 | 35 | int limit_active, |
6db8914f | 36 | int thresh); |
a0cac0ec OS |
37 | void btrfs_init_work(struct btrfs_work *work, btrfs_func_t func, |
38 | btrfs_func_t ordered_func, btrfs_func_t ordered_free); | |
d458b054 QW |
39 | void btrfs_queue_work(struct btrfs_workqueue *wq, |
40 | struct btrfs_work *work); | |
41 | void btrfs_destroy_workqueue(struct btrfs_workqueue *wq); | |
42 | void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max); | |
43 | void btrfs_set_work_high_priority(struct btrfs_work *work); | |
e1f60a65 DS |
44 | struct btrfs_fs_info * __pure btrfs_work_owner(const struct btrfs_work *work); |
45 | struct btrfs_fs_info * __pure btrfs_workqueue_owner(const struct __btrfs_workqueue *wq); | |
9a35b637 | 46 | bool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq); |
f0cc2cd7 | 47 | void btrfs_flush_workqueue(struct btrfs_workqueue *wq); |
9888c340 | 48 | |
8b712842 | 49 | #endif |