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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_ | |
9e0af237 | 22 | #include <linux/workqueue.h> |
8b712842 | 23 | |
d458b054 | 24 | struct btrfs_workqueue; |
1ca08976 | 25 | /* Internal use only */ |
d458b054 | 26 | struct __btrfs_workqueue; |
6db8914f QW |
27 | struct btrfs_work; |
28 | typedef void (*btrfs_func_t)(struct btrfs_work *arg); | |
9e0af237 | 29 | typedef void (*btrfs_work_func_t)(struct work_struct *arg); |
08a9ff32 | 30 | |
d458b054 | 31 | struct btrfs_work { |
6db8914f QW |
32 | btrfs_func_t func; |
33 | btrfs_func_t ordered_func; | |
34 | btrfs_func_t ordered_free; | |
08a9ff32 QW |
35 | |
36 | /* Don't touch things below */ | |
37 | struct work_struct normal_work; | |
38 | struct list_head ordered_list; | |
d458b054 | 39 | struct __btrfs_workqueue *wq; |
08a9ff32 QW |
40 | unsigned long flags; |
41 | }; | |
42 | ||
9e0af237 LB |
43 | #define BTRFS_WORK_HELPER_PROTO(name) \ |
44 | void btrfs_##name(struct work_struct *arg) | |
45 | ||
46 | BTRFS_WORK_HELPER_PROTO(worker_helper); | |
47 | BTRFS_WORK_HELPER_PROTO(delalloc_helper); | |
48 | BTRFS_WORK_HELPER_PROTO(flush_delalloc_helper); | |
49 | BTRFS_WORK_HELPER_PROTO(cache_helper); | |
50 | BTRFS_WORK_HELPER_PROTO(submit_helper); | |
51 | BTRFS_WORK_HELPER_PROTO(fixup_helper); | |
52 | BTRFS_WORK_HELPER_PROTO(endio_helper); | |
53 | BTRFS_WORK_HELPER_PROTO(endio_meta_helper); | |
54 | BTRFS_WORK_HELPER_PROTO(endio_meta_write_helper); | |
55 | BTRFS_WORK_HELPER_PROTO(endio_raid56_helper); | |
8b110e39 | 56 | BTRFS_WORK_HELPER_PROTO(endio_repair_helper); |
9e0af237 LB |
57 | BTRFS_WORK_HELPER_PROTO(rmw_helper); |
58 | BTRFS_WORK_HELPER_PROTO(endio_write_helper); | |
59 | BTRFS_WORK_HELPER_PROTO(freespace_write_helper); | |
60 | BTRFS_WORK_HELPER_PROTO(delayed_meta_helper); | |
61 | BTRFS_WORK_HELPER_PROTO(readahead_helper); | |
62 | BTRFS_WORK_HELPER_PROTO(qgroup_rescan_helper); | |
63 | BTRFS_WORK_HELPER_PROTO(extent_refs_helper); | |
64 | BTRFS_WORK_HELPER_PROTO(scrub_helper); | |
65 | BTRFS_WORK_HELPER_PROTO(scrubwrc_helper); | |
66 | BTRFS_WORK_HELPER_PROTO(scrubnc_helper); | |
20b2e302 ZL |
67 | BTRFS_WORK_HELPER_PROTO(scrubparity_helper); |
68 | ||
9e0af237 | 69 | |
c3a46891 | 70 | struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name, |
6f011058 | 71 | unsigned int flags, |
c6dd6ea5 | 72 | int limit_active, |
6db8914f | 73 | int thresh); |
9e0af237 | 74 | void btrfs_init_work(struct btrfs_work *work, btrfs_work_func_t helper, |
6db8914f QW |
75 | btrfs_func_t func, |
76 | btrfs_func_t ordered_func, | |
77 | btrfs_func_t ordered_free); | |
d458b054 QW |
78 | void btrfs_queue_work(struct btrfs_workqueue *wq, |
79 | struct btrfs_work *work); | |
80 | void btrfs_destroy_workqueue(struct btrfs_workqueue *wq); | |
81 | void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max); | |
82 | void btrfs_set_work_high_priority(struct btrfs_work *work); | |
8b712842 | 83 | #endif |