diff options
Diffstat (limited to 'drivers/md/bcache/bcache.h')
| -rw-r--r-- | drivers/md/bcache/bcache.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 1784e50eb857..3be0fcc19b1f 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -330,6 +330,14 @@ struct cached_dev { struct keybuf writeback_keys; + /* + * Order the write-half of writeback operations strongly in dispatch + * order. (Maintain LBA order; don't allow reads completing out of + * order to re-order the writes...) + */ + struct closure_waitlist writeback_ordering_wait; + atomic_t writeback_sequence_next; + /* For tracking sequential IO */ #define RECENT_IO_BITS 7 #define RECENT_IO (1 << RECENT_IO_BITS) |