[PATCH] md: write intent bitmap support for raid10

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-01-06 00:20:16 -08:00 committed by Linus Torvalds
parent b15c2e57f0
commit 6cce3b23f6
3 changed files with 171 additions and 26 deletions

View file

@ -35,13 +35,19 @@ struct r10_private_data_s {
sector_t chunk_mask;
struct list_head retry_list;
/* for use when syncing mirrors: */
/* queue pending writes and submit them on unplug */
struct bio_list pending_bio_list;
spinlock_t resync_lock;
int nr_pending;
int nr_waiting;
int barrier;
sector_t next_resync;
int fullsync; /* set to 1 if a full sync is needed,
* (fresh device added).
* Cleared when a sync completes.
*/
wait_queue_head_t wait_barrier;
@ -100,4 +106,5 @@ struct r10bio_s {
#define R10BIO_Uptodate 0
#define R10BIO_IsSync 1
#define R10BIO_IsRecover 2
#define R10BIO_Degraded 3
#endif