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-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