Commit d57368af authored by Alexander Lyakas's avatar Alexander Lyakas Committed by NeilBrown
Browse files

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: default avatarAlex Lyakas <alex.bolshoy@gmail.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 895e3c5c

drivers/md/raid1.c

+12 −0
Original line number Diff line number Diff line
@@ -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) {