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| author | Alexander Lyakas <alex.bolshoy@gmail.com> | 2012-07-17 13:17:55 +0300 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-07-31 12:01:29 +1000 |
| commit | d57368afe63b3b7b45ce6c2b8c5276417935be2f (patch) | |
| tree | f9748e1f4ecd42a416e922e3d5890dc32194a4dd /drivers/md/raid1.c | |
| parent | 895e3c5c58a80bb9e4e05d9ac38b4f30e0f97d80 (diff) | |
| download | lwn-d57368afe63b3b7b45ce6c2b8c5276417935be2f.tar.gz lwn-d57368afe63b3b7b45ce6c2b8c5276417935be2f.zip | |
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/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 12 |
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) { |