Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 1 | #ifndef _BCACHE_REQUEST_H_ |
| 2 | #define _BCACHE_REQUEST_H_ |
| 3 | |
| 4 | #include <linux/cgroup.h> |
| 5 | |
Kent Overstreet | 220bb38 | 2013-09-10 19:02:45 -0700 | [diff] [blame] | 6 | struct data_insert_op { |
Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 7 | struct closure cl; |
Kent Overstreet | c18536a | 2013-07-24 17:44:17 -0700 | [diff] [blame] | 8 | struct cache_set *c; |
Kent Overstreet | 220bb38 | 2013-09-10 19:02:45 -0700 | [diff] [blame] | 9 | struct bio *bio; |
Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 10 | |
Kent Overstreet | c18536a | 2013-07-24 17:44:17 -0700 | [diff] [blame] | 11 | unsigned inode; |
Kent Overstreet | 2599b53 | 2013-07-24 18:11:11 -0700 | [diff] [blame] | 12 | uint16_t write_point; |
Kent Overstreet | 220bb38 | 2013-09-10 19:02:45 -0700 | [diff] [blame] | 13 | uint16_t write_prio; |
| 14 | short error; |
Kent Overstreet | c18536a | 2013-07-24 17:44:17 -0700 | [diff] [blame] | 15 | |
Kent Overstreet | a5ae430 | 2013-09-10 19:16:31 -0700 | [diff] [blame] | 16 | union { |
| 17 | uint16_t flags; |
Kent Overstreet | 220bb38 | 2013-09-10 19:02:45 -0700 | [diff] [blame] | 18 | |
Kent Overstreet | a5ae430 | 2013-09-10 19:16:31 -0700 | [diff] [blame] | 19 | struct { |
| 20 | unsigned bypass:1; |
| 21 | unsigned writeback:1; |
| 22 | unsigned flush_journal:1; |
| 23 | unsigned csum:1; |
Kent Overstreet | c18536a | 2013-07-24 17:44:17 -0700 | [diff] [blame] | 24 | |
Kent Overstreet | a5ae430 | 2013-09-10 19:16:31 -0700 | [diff] [blame] | 25 | unsigned replace:1; |
| 26 | unsigned replace_collision:1; |
Kent Overstreet | 0b93207 | 2013-07-24 17:26:51 -0700 | [diff] [blame] | 27 | |
Kent Overstreet | a5ae430 | 2013-09-10 19:16:31 -0700 | [diff] [blame] | 28 | unsigned insert_data_done:1; |
| 29 | }; |
| 30 | }; |
| 31 | |
Kent Overstreet | 0b93207 | 2013-07-24 17:26:51 -0700 | [diff] [blame] | 32 | struct keylist insert_keys; |
Kent Overstreet | 1b207d8 | 2013-09-10 18:52:54 -0700 | [diff] [blame] | 33 | BKEY_PADDED(replace_key); |
Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 34 | }; |
| 35 | |
Kent Overstreet | c37511b | 2013-04-26 15:39:55 -0700 | [diff] [blame] | 36 | unsigned bch_get_congested(struct cache_set *); |
Kent Overstreet | a34a8bf | 2013-10-24 17:07:04 -0700 | [diff] [blame] | 37 | void bch_data_insert(struct closure *cl); |
Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 38 | |
Kent Overstreet | cafe563 | 2013-03-23 16:11:31 -0700 | [diff] [blame] | 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 | struct bch_cgroup { |
| 45 | #ifdef CONFIG_CGROUP_BCACHE |
| 46 | struct cgroup_subsys_state css; |
| 47 | #endif |
| 48 | /* |
| 49 | * We subtract one from the index into bch_cache_modes[], so that |
| 50 | * default == -1; this makes it so the rest match up with d->cache_mode, |
| 51 | * and we use d->cache_mode if cgrp->cache_mode < 0 |
| 52 | */ |
| 53 | short cache_mode; |
| 54 | bool verify; |
| 55 | struct cache_stat_collector stats; |
| 56 | }; |
| 57 | |
| 58 | struct bch_cgroup *bch_bio_to_cgroup(struct bio *bio); |
| 59 | |
| 60 | #endif /* _BCACHE_REQUEST_H_ */ |