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>
This commit is contained in:
NeilBrown 2011-12-23 10:17:54 +11:00
parent 7bfec5f35c
commit 3a6de2924a
1 changed files with 3 additions and 0 deletions

View File

@ -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))