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authorGabriele A. Trombetti <g.trombetti.lkrnl1213@logicschema.com>2010-04-28 11:51:17 +1000
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-12 15:03:08 -0700
commit14f3f308ad22df647485f680b3b4f552689f23e2 (patch)
tree81962044f8ae48a68837cf16e5f36bb3292f1495
parent23f16e57f5f2b341129c131fc809c105261338f9 (diff)
md/raid6: Fix raid-6 read-error correction in degraded state
commit 87aa63000c484bfb9909989316f615240dfee018 upstream. Fix: Raid-6 was not trying to correct a read-error when in singly-degraded state and was instead dropping one more device, going to doubly-degraded state. This patch fixes this behaviour. Tested-by: Janos Haar <janos.haar@netcenter.hu> Signed-off-by: Gabriele A. Trombetti <g.trombetti.lkrnl1213@logicschema.com> Reported-by: Janos Haar <janos.haar@netcenter.hu> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/md/raid5.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 90719aca6e06..0468f5b78f0d 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1526,7 +1526,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
clear_bit(R5_UPTODATE, &sh->dev[i].flags);
atomic_inc(&rdev->read_errors);
- if (conf->mddev->degraded)
+ if (conf->mddev->degraded >= conf->max_degraded)
printk_rl(KERN_WARNING
"raid5:%s: read error not correctable "
"(sector %llu on %s).\n",