md/raid1: Allow a failed replacement device to be removed.

Replacement devices are stored at a different offset, so look
there too.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index e7768e37f36a..3d9aa0c92821 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1336,6 +1336,9 @@ static int raid1_remove_disk(struct mddev *mddev, struct md_rdev *rdev)
         int number = rdev->raid_disk;
         struct mirror_info *p = conf->mirrors+ number;
 
+        if (rdev != p->rdev)
+                p = conf->mirrors + conf->raid_disks + number;
+
         print_conf(conf);
         if (rdev == p->rdev) {
                 if (test_bit(In_sync, &rdev->flags) ||
@@ -1359,6 +1362,9 @@ static int raid1_remove_disk(struct mddev *mddev, struct md_rdev *rdev)
                         err = -EBUSY;
                         p->rdev = rdev;
                         goto abort;
+                } else {
+                        clear_bit(Replacement, &rdev->flags);
+                        clear_bit(WantReplacement, &rdev->flags);
                 }
                 err = md_integrity_register(mddev);
         }