1 files changed, 4 insertions, 0 deletions

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 3eb076ce4c07..02737596b597 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1536,9 +1536,13 @@ static void ocfs2_put_super(struct super_block *sb)
 {
         mlog_entry("(0x%p)\n", sb);
 
+        lock_kernel();
+
         ocfs2_sync_blockdev(sb);
         ocfs2_dismount_volume(sb, 0);
 
+        unlock_kernel();
+
         mlog_exit_void();
 }