From 9e71f9c848e669f003b1319da52f03cb8e7d7403 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 23 Mar 2006 02:59:22 -0800
Subject: [PATCH] [PATCH] DM: Fix bug: BIO_RW_BARRIER requests to md/raid1
hang.
Both R1BIO_Barrier and R1BIO_Returned are 4 !!!!
This means that barrier requests don't get returned (i.e. b_endio called)
because it looks like they already have been.
Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
include/linux/raid/raid1.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/raid/raid1.h b/include/linux/raid/raid1.h
index 9d5494aaac0..3009c813d83 100644
--- a/include/linux/raid/raid1.h
+++ b/include/linux/raid/raid1.h
@@ -130,6 +130,6 @@ struct r1bio_s {
* with failure when last write completes (and all failed).
* Record that bi_end_io was called with this flag...
*/
-#define R1BIO_Returned 4
+#define R1BIO_Returned 6
#endif
--
2.41.3