md-cluster: wake up thread to continue recovery

In recovery case, we need to set MD_RECOVERY_NEEDED
and wake up thread only if recover is not finished.

Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 12fbfeced238..0d4ddf85d607 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -284,11 +284,14 @@ static void recover_bitmaps(struct md_thread *thread)
                         goto dlm_unlock;
                 }
                 if (hi > 0) {
-                        /* TODO:Wait for current resync to get over */
-                        set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
                         if (lo < mddev->recovery_cp)
                                 mddev->recovery_cp = lo;
-                        md_check_recovery(mddev);
+                        /* wake up thread to continue resync in case resync
+                         * is not finished */
+                        if (mddev->recovery_cp != MaxSector) {
+                            set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+                            md_wakeup_thread(mddev->thread);
+                        }
                 }
 dlm_unlock:
                 dlm_unlock_sync(bm_lockres);