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authorNeilBrown <neilb@suse.de>2006-01-06 00:20:16 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:34:03 -0800
commit6cce3b23f6f8e974c00af7a9b88f1d413ba368a8 (patch)
tree8c156f26a10de82b1626d74f810704cfd6f5ba2b /include/linux/raid
parentb15c2e57f0f5bf596a19e9c5571e5b07cdfc7363 (diff)
[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>
Diffstat (limited to 'include/linux/raid')
-rw-r--r--include/linux/raid/raid10.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/raid/raid10.h b/include/linux/raid/raid10.h
index 08317b77802..b660cbf628d 100644
--- a/include/linux/raid/raid10.h
+++ b/include/linux/raid/raid10.h
@@ -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