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md/RAID1: Add missing case for attempting to repair known bad blocks.

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When doing resync or repair, attempt to correct bad blocks, according
to WriteErrorSeen policy

Signed-off-by: Alex Lyakas <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
This commit is contained in:
Alexander Lyakas 2012-07-17 13:17:55 +03:00 • committed by NeilBrown
commit d57368afe6
1 changed files with 12 additions and 0 deletions
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12
drivers/md/raid1.c
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@ -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) {