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; |
6db8914f QW |
14 | struct btrfs_work; |
15 | typedef void (*btrfs_func_t)(struct btrfs_work *arg); | |
078b8b90 | 16 | typedef void (*btrfs_ordered_func_t)(struct btrfs_work *arg, bool); |
08a9ff32 | 17 | |
d458b054 | 18 | struct btrfs_work { |
6db8914f | 19 | btrfs_func_t func; |
078b8b90 | 20 | btrfs_ordered_func_t ordered_func; |
08a9ff32 QW |
21 | |
22 | /* Don't touch things below */ | |
23 | struct work_struct normal_work; | |
24 | struct list_head ordered_list; | |
a31b4a43 | 25 | struct btrfs_workqueue *wq; |
08a9ff32 QW |
26 | unsigned long flags; |
27 | }; | |
28 | ||
cb001095 JM |
29 | struct btrfs_workqueue *btrfs_alloc_workqueue(struct btrfs_fs_info *fs_info, |
30 | const char *name, | |
6f011058 | 31 | unsigned int flags, |
c6dd6ea5 | 32 | int limit_active, |
6db8914f | 33 | int thresh); |
58e814fc TH |
34 | struct btrfs_workqueue *btrfs_alloc_ordered_workqueue( |
35 | struct btrfs_fs_info *fs_info, const char *name, | |
36 | unsigned int flags); | |
a0cac0ec | 37 | void btrfs_init_work(struct btrfs_work *work, btrfs_func_t func, |
078b8b90 | 38 | btrfs_ordered_func_t ordered_func); |
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); | |
e1f60a65 | 43 | struct btrfs_fs_info * __pure btrfs_work_owner(const struct btrfs_work *work); |
a31b4a43 | 44 | struct btrfs_fs_info * __pure btrfs_workqueue_owner(const struct btrfs_workqueue *wq); |
9a35b637 | 45 | bool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq); |
f0cc2cd7 | 46 | void btrfs_flush_workqueue(struct btrfs_workqueue *wq); |
9888c340 | 47 | |
8b712842 | 48 | #endif |