[PATCH] md: Restore 'remaining' count when retrying an write operation
When retrying a write due to barrier failure, we don't reset 'remaining', so
it goes negative and never hits 0 again.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 04418e1..3cb0872 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1402,6 +1402,9 @@
clear_bit(R1BIO_BarrierRetry, &r1_bio->state);
clear_bit(R1BIO_Barrier, &r1_bio->state);
for (i=0; i < conf->raid_disks; i++)
+ if (r1_bio->bios[i])
+ atomic_inc(&r1_bio->remaining);
+ for (i=0; i < conf->raid_disks; i++)
if (r1_bio->bios[i]) {
struct bio_vec *bvec;
int j;