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(const 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 blk_qc_t cached_dev_submit_bio(struct bio *bio);
  41
  42 void bch_flash_dev_request_init(struct bcache_device *d);
  43 blk_qc_t flash_dev_submit_bio(struct bio *bio);
  44
  45 extern struct kmem_cache *bch_search_cache;
  46
  47 #endif /* _BCACHE_REQUEST_H_ */