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authorAlexander Lyakas <alex.bolshoy@gmail.com>2012-07-17 13:17:55 +0300
committerNeilBrown <neilb@suse.de>2012-07-31 12:01:29 +1000
commitd57368afe63b3b7b45ce6c2b8c5276417935be2f (patch)
treef9748e1f4ecd42a416e922e3d5890dc32194a4dd /drivers/md
parent895e3c5c58a80bb9e4e05d9ac38b4f30e0f97d80 (diff)
downloadlinux-d57368afe63b3b7b45ce6c2b8c5276417935be2f.tar.bz2
md/RAID1: Add missing case for attempting to repair known bad blocks.
When doing resync or repair, attempt to correct bad blocks, according to WriteErrorSeen policy Signed-off-by: Alex Lyakas <alex.bolshoy@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/raid1.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index d2361b162de5..197f62681db5 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2445,6 +2445,18 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp
bio->bi_rw = READ;
bio->bi_end_io = end_sync_read;
read_targets++;
+ } else if (!test_bit(WriteErrorSeen, &rdev->flags) &&
+ test_bit(MD_RECOVERY_SYNC, &mddev->recovery) &&
+ !test_bit(MD_RECOVERY_CHECK, &mddev->recovery)) {
+ /*
+ * The device is suitable for reading (InSync),
+ * but has bad block(s) here. Let's try to correct them,
+ * if we are doing resync or repair. Otherwise, leave
+ * this device alone for this sync request.
+ */
+ bio->bi_rw = WRITE;
+ bio->bi_end_io = end_sync_write;
+ write_targets++;
}
}
if (bio->bi_end_io) {