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-rw-r--r--drivers/md/md.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4f5ecbe94ccb..3fe3d04a968a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5409,9 +5409,13 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev)
* which will now never happen */
wake_up_process(mddev->sync_thread->tsk);
+ if (mddev->external && test_bit(MD_CHANGE_PENDING, &mddev->flags))
+ return -EBUSY;
mddev_unlock(mddev);
wait_event(resync_wait, !test_bit(MD_RECOVERY_RUNNING,
&mddev->recovery));
+ wait_event(mddev->sb_wait,
+ !test_bit(MD_CHANGE_PENDING, &mddev->flags));
mddev_lock_nointr(mddev);
mutex_lock(&mddev->open_mutex);
@@ -8036,8 +8040,7 @@ static int remove_and_add_spares(struct mddev *mddev,
!test_bit(Bitmap_sync, &rdev->flags)))
continue;
- if (rdev->saved_raid_disk < 0)
- rdev->recovery_offset = 0;
+ rdev->recovery_offset = 0;
if (mddev->pers->
hot_add_disk(mddev, rdev) == 0) {
if (sysfs_link_rdev(mddev, rdev))
@@ -8160,6 +8163,7 @@ void md_check_recovery(struct mddev *mddev)
md_reap_sync_thread(mddev);
clear_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+ clear_bit(MD_CHANGE_PENDING, &mddev->flags);
goto unlock;
}