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-rw-r--r--drivers/md/dm-raid.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 59d15ec0ba8..49f0bd510fb 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -1587,6 +1587,21 @@ static void attempt_restore_of_faulty_devices(struct raid_set *rs)
DMINFO("Faulty %s device #%d has readable super block."
" Attempting to revive it.",
rs->raid_type->name, i);
+
+ /*
+ * Faulty bit may be set, but sometimes the array can
+ * be suspended before the personalities can respond
+ * by removing the device from the array (i.e. calling
+ * 'hot_remove_disk'). If they haven't yet removed
+ * the failed device, its 'raid_disk' number will be
+ * '>= 0' - meaning we must call this function
+ * ourselves.
+ */
+ if ((r->raid_disk >= 0) &&
+ (r->mddev->pers->hot_remove_disk(r->mddev, r) != 0))
+ /* Failed to revive this device, try next */
+ continue;
+
r->raid_disk = i;
r->saved_raid_disk = i;
flags = r->flags;