LU-639 obdclass: wait obd cleanup before mount

[fs/lustre-release.git] / lustre / obdclass / obd_mount.c

diff --git a/lustre/obdclass/obd_mount.c b/lustre/obdclass/obd_mount.c
index 8c50cfb..39fe240 100644 (file)
--- a/lustre/obdclass/obd_mount.c
+++ b/lustre/obdclass/obd_mount.c
@@ -2267,6 +2267,11 @@ int lustre_fill_super(struct super_block *sb, void *data, int silent)
          */
         cfs_lockdep_off();
 
+        /*
+         * LU-639: the obd cleanup of last mount may not finish yet, wait here.
+         */
+        obd_zombie_barrier();
+
         /* Figure out the lmd from the mount options */
         if (lmd_parse((char *)(lmd2->lmd2_data), lmd)) {
                 lustre_put_lsi(sb);