kernel/drivers/md/bcache/request.h

   1 #ifndef _BCACHE_REQUEST_H_
   2 #define _BCACHE_REQUEST_H_
   3
   4 struct data_insert_op {
   5         struct closure          cl;
   6         struct cache_set        *c;
   7         struct bio              *bio;
   8         struct workqueue_struct *wq;
   9
  10         unsigned                inode;
  11         uint16_t                write_point;
  12         uint16_t                write_prio;
  13         short                   error;
  14
  15         union {
  16                 uint16_t        flags;
  17
  18         struct {
  19                 unsigned        bypass:1;
  20                 unsigned        writeback:1;
  21                 unsigned        flush_journal:1;
  22                 unsigned        csum:1;
  23
  24                 unsigned        replace:1;
  25                 unsigned        replace_collision:1;
  26
  27                 unsigned        insert_data_done:1;
  28         };
  29         };
  30
  31         struct keylist          insert_keys;
  32         BKEY_PADDED(replace_key);
  33 };
  34
  35 unsigned bch_get_congested(struct cache_set *);
  36 void bch_data_insert(struct closure *cl);
  37
  38 void bch_cached_dev_request_init(struct cached_dev *dc);
  39 void bch_flash_dev_request_init(struct bcache_device *d);
  40
  41 extern struct kmem_cache *bch_search_cache, *bch_passthrough_cache;
  42
  43 #endif /* _BCACHE_REQUEST_H_ */