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authorNeilBrown <neilb@suse.com>2015-07-17 05:26:23 +0200
committerNeilBrown <neilb@suse.com>2015-07-24 05:38:04 +0200
commite6030cb06c40e4ab4e8c712f13f494a09638ed2c (patch)
tree8f87729041def172e57f18ff49ba6b8decd65e90 /drivers
parentFix read-balancing during node failure (diff)
downloadlinux-e6030cb06c40e4ab4e8c712f13f494a09638ed2c.tar.xz
linux-e6030cb06c40e4ab4e8c712f13f494a09638ed2c.zip
md/raid5: clear R5_NeedReplace when no longer needed.
This flag is currently never cleared, which can in rare cases trigger a warn-on if it is still set but the block isn't InSync. So clear it when it isn't need, which includes if the replacement device has failed. Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/raid5.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 38300ee3c4e1..643d217bfa13 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4066,8 +4066,10 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
&first_bad, &bad_sectors))
set_bit(R5_ReadRepl, &dev->flags);
else {
- if (rdev)
+ if (rdev && !test_bit(Faulty, &rdev->flags))
set_bit(R5_NeedReplace, &dev->flags);
+ else
+ clear_bit(R5_NeedReplace, &dev->flags);
rdev = rcu_dereference(conf->disks[i].rdev);
clear_bit(R5_ReadRepl, &dev->flags);
}