1 #ifndef _BCACHE_REQUEST_H_
2 #define _BCACHE_REQUEST_H_
4 #include <linux/cgroup.h>
7 /* Stack frame for bio_complete */
10 struct bcache_device *d;
11 struct task_struct *task;
15 struct bio *cache_miss;
16 unsigned cache_bio_sectors;
18 unsigned recoverable:1;
19 unsigned unaligned_bvec:1;
24 /* IO error returned to s->bio */
26 unsigned long start_time;
28 /* Anything past op->keys won't get zeroed in do_bio_hook */
32 void bch_cache_read_endio(struct bio *, int);
33 int bch_get_congested(struct cache_set *);
34 void bch_insert_data(struct closure *cl);
35 void bch_btree_insert_async(struct closure *);
36 void bch_cache_read_endio(struct bio *, int);
38 void bch_open_buckets_free(struct cache_set *);
39 int bch_open_buckets_alloc(struct cache_set *);
41 void bch_cached_dev_request_init(struct cached_dev *dc);
42 void bch_flash_dev_request_init(struct bcache_device *d);
44 extern struct kmem_cache *bch_search_cache, *bch_passthrough_cache;
47 #ifdef CONFIG_CGROUP_BCACHE
48 struct cgroup_subsys_state css;
51 * We subtract one from the index into bch_cache_modes[], so that
52 * default == -1; this makes it so the rest match up with d->cache_mode,
53 * and we use d->cache_mode if cgrp->cache_mode < 0
57 struct cache_stat_collector stats;
60 struct bch_cgroup *bch_bio_to_cgroup(struct bio *bio);
62 #endif /* _BCACHE_REQUEST_H_ */