Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1#ifndef _BCACHE_REQUEST_H_
2#define _BCACHE_REQUEST_H_
3
4#include <linux/cgroup.h>
5
6struct data_insert_op {
7 struct closure cl;
8 struct cache_set *c;
9 struct bio *bio;
10
11 unsigned inode;
12 uint16_t write_point;
13 uint16_t write_prio;
14 short error;
15
16 unsigned bypass:1;
17 unsigned writeback:1;
18 unsigned flush_journal:1;
19 unsigned csum:1;
20
21 unsigned replace:1;
22 unsigned replace_collision:1;
23
24 unsigned insert_data_done:1;
25
26 /* Anything past this point won't get zeroed in search_alloc() */
27 struct keylist insert_keys;
28 BKEY_PADDED(replace_key);
29};
30
31unsigned bch_get_congested(struct cache_set *);
32void bch_data_insert(struct closure *cl);
33
34void bch_cached_dev_request_init(struct cached_dev *dc);
35void bch_flash_dev_request_init(struct bcache_device *d);
36
37extern struct kmem_cache *bch_search_cache, *bch_passthrough_cache;
38
39struct bch_cgroup {
40#ifdef CONFIG_CGROUP_BCACHE
41 struct cgroup_subsys_state css;
42#endif
43 /*
44 * We subtract one from the index into bch_cache_modes[], so that
45 * default == -1; this makes it so the rest match up with d->cache_mode,
46 * and we use d->cache_mode if cgrp->cache_mode < 0
47 */
48 short cache_mode;
49 bool verify;
50 struct cache_stat_collector stats;
51};
52
53struct bch_cgroup *bch_bio_to_cgroup(struct bio *bio);
54
55#endif /* _BCACHE_REQUEST_H_ */