Commit 3a6de292 authored Dec 23, 2011 by NeilBrown

md/raid5: Mark device want_replacement when we see a write error.



Now that WantReplacement drives are replaced cleanly, mark a drive
as WantReplacement when we see a write error.  It might get failed soon so
the WantReplacement flag is irrelevant, but if the write error is recorded
in the bad block log, we still want to activate any spare that might
be available.

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>

parent 7bfec5f3

drivers/md/raid5.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1796,6 +1796,9 @@ static void raid5_end_write_request(struct bio *bi, int error)
		if (!uptodate) {
		set_bit(WriteErrorSeen, &rdev->flags);
		set_bit(R5_WriteError, &sh->dev[i].flags);
		if (!test_and_set_bit(WantReplacement, &rdev->flags))
		set_bit(MD_RECOVERY_NEEDED,
		&rdev->mddev->recovery);
		} else if (is_badblock(rdev, sh->sector,
		STRIPE_SECTORS,
		&first_bad, &bad_sectors))