md/bcache/request.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef _BCACHE_REQUEST_H_
0003 #define _BCACHE_REQUEST_H_
0004
0005 struct data_insert_op {
0006     struct closure      cl;
0007     struct cache_set    *c;
0008     struct bio      *bio;
0009     struct workqueue_struct *wq;
0010
0011     unsigned int        inode;
0012     uint16_t        write_point;
0013     uint16_t        write_prio;
0014     blk_status_t        status;
0015
0016     union {
0017         uint16_t    flags;
0018
0019     struct {
0020         unsigned int    bypass:1;
0021         unsigned int    writeback:1;
0022         unsigned int    flush_journal:1;
0023         unsigned int    csum:1;
0024
0025         unsigned int    replace:1;
0026         unsigned int    replace_collision:1;
0027
0028         unsigned int    insert_data_done:1;
0029     };
0030     };
0031
0032     struct keylist      insert_keys;
0033     BKEY_PADDED(replace_key);
0034 };
0035
0036 unsigned int bch_get_congested(const struct cache_set *c);
0037 void bch_data_insert(struct closure *cl);
0038
0039 void bch_cached_dev_request_init(struct cached_dev *dc);
0040 void cached_dev_submit_bio(struct bio *bio);
0041
0042 void bch_flash_dev_request_init(struct bcache_device *d);
0043 void flash_dev_submit_bio(struct bio *bio);
0044
0045 extern struct kmem_cache *bch_search_cache;
0046
0047 #endif /* _BCACHE_REQUEST_H_ */