projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 9e0af237 LB |
32 | #define BTRFS_WORK_HELPER_PROTO(name) \ |
| 33 | void btrfs_##name(struct work_struct *arg) | |
| 34 | ||
| 35 | BTRFS_WORK_HELPER_PROTO(worker_helper); | |
| 36 | BTRFS_WORK_HELPER_PROTO(delalloc_helper); | |
| 37 | BTRFS_WORK_HELPER_PROTO(flush_delalloc_helper); | |
| 38 | BTRFS_WORK_HELPER_PROTO(cache_helper); | |
| 39 | BTRFS_WORK_HELPER_PROTO(submit_helper); | |
| 40 | BTRFS_WORK_HELPER_PROTO(fixup_helper); | |
| 41 | BTRFS_WORK_HELPER_PROTO(endio_helper); | |
| 42 | BTRFS_WORK_HELPER_PROTO(endio_meta_helper); | |
| 43 | BTRFS_WORK_HELPER_PROTO(endio_meta_write_helper); | |
| 44 | BTRFS_WORK_HELPER_PROTO(endio_raid56_helper); | |
| 8b110e39 | 45 | BTRFS_WORK_HELPER_PROTO(endio_repair_helper); |
| 9e0af237 LB |
46 | BTRFS_WORK_HELPER_PROTO(rmw_helper); |
| 47 | BTRFS_WORK_HELPER_PROTO(endio_write_helper); | |
| 48 | BTRFS_WORK_HELPER_PROTO(freespace_write_helper); | |
| 49 | BTRFS_WORK_HELPER_PROTO(delayed_meta_helper); | |
| 50 | BTRFS_WORK_HELPER_PROTO(readahead_helper); | |
| 51 | BTRFS_WORK_HELPER_PROTO(qgroup_rescan_helper); | |
| 52 | BTRFS_WORK_HELPER_PROTO(extent_refs_helper); | |
| 53 | BTRFS_WORK_HELPER_PROTO(scrub_helper); | |
| 54 | BTRFS_WORK_HELPER_PROTO(scrubwrc_helper); | |
| 55 | BTRFS_WORK_HELPER_PROTO(scrubnc_helper); | |
| 20b2e302 ZL |
56 | BTRFS_WORK_HELPER_PROTO(scrubparity_helper); |
| 57 | ||
| 9e0af237 | 58 | |
| cb001095 JM |
59 | struct btrfs_workqueue *btrfs_alloc_workqueue(struct btrfs_fs_info *fs_info, |
| 60 | const char *name, | |
| 6f011058 | 61 | unsigned int flags, |
| c6dd6ea5 | 62 | int limit_active, |
| 6db8914f | 63 | int thresh); |
| 9e0af237 | 64 | void btrfs_init_work(struct btrfs_work *work, btrfs_work_func_t helper, |
| 6db8914f QW |
65 | btrfs_func_t func, |
| 66 | btrfs_func_t ordered_func, | |
| 67 | btrfs_func_t ordered_free); | |
| d458b054 QW |
68 | void btrfs_queue_work(struct btrfs_workqueue *wq, |
| 69 | struct btrfs_work *work); | |
| 70 | void btrfs_destroy_workqueue(struct btrfs_workqueue *wq); | |
| 71 | void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max); | |
| 72 | void btrfs_set_work_high_priority(struct btrfs_work *work); | |
| 9a35b637 JM |
73 | struct btrfs_fs_info *btrfs_work_owner(const struct btrfs_work *work); |
| 74 | struct btrfs_fs_info *btrfs_workqueue_owner(const struct __btrfs_workqueue *wq); | |
| 75 | bool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq); | |
| 9888c340 | 76 | |
| 8b712842 | 77 | #endif |