X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fraid%2Fraid5.h;h=d63ddcb4afadf4000cdb1bb775abe5b9dc392d70;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=baf88d2ad986ec028a7b785c6d73181b348a0425;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h
index baf88d2ad..d63ddcb4a 100644
--- a/include/linux/raid/raid5.h
+++ b/include/linux/raid/raid5.h
@@ -152,6 +152,7 @@ struct stripe_head {
 #define	R5_Wantread	4	/* want to schedule a read */
 #define	R5_Wantwrite	5
 #define	R5_Syncio	6	/* this io need to be accounted as resync io */
+#define	R5_Overlap	7	/* There is a pending overlapping request on this block */
 
 /*
  * Write method
@@ -219,6 +220,7 @@ struct raid5_private_data {
 	atomic_t		active_stripes;
 	struct list_head	inactive_list;
 	wait_queue_head_t	wait_for_stripe;
+	wait_queue_head_t	wait_for_overlap;
 	int			inactive_blocked;	/* release of inactive stripes blocked,
 							 * waiting for 25% to be free
 							 */