GNU Linux-libre 4.19.314-gnu1
[releases.git] / drivers / md / bcache / request.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHE_REQUEST_H_
3 #define _BCACHE_REQUEST_H_
4
5 struct data_insert_op {
6         struct closure          cl;
7         struct cache_set        *c;
8         struct bio              *bio;
9         struct workqueue_struct *wq;
10
11         unsigned int            inode;
12         uint16_t                write_point;
13         uint16_t                write_prio;
14         blk_status_t            status;
15
16         union {
17                 uint16_t        flags;
18
19         struct {
20                 unsigned int    bypass:1;
21                 unsigned int    writeback:1;
22                 unsigned int    flush_journal:1;
23                 unsigned int    csum:1;
24
25                 unsigned int    replace:1;
26                 unsigned int    replace_collision:1;
27
28                 unsigned int    insert_data_done:1;
29         };
30         };
31
32         struct keylist          insert_keys;
33         BKEY_PADDED(replace_key);
34 };
35
36 unsigned int bch_get_congested(struct cache_set *c);
37 void bch_data_insert(struct closure *cl);
38
39 void bch_cached_dev_request_init(struct cached_dev *dc);
40 void bch_flash_dev_request_init(struct bcache_device *d);
41
42 extern struct kmem_cache *bch_search_cache, *bch_passthrough_cache;
43
44 #endif /* _BCACHE_REQUEST_H_ */