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-rw-r--r--fs/orangefs/super.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c
index 3ae5fdba0225..10796d3fe27d 100644
--- a/fs/orangefs/super.c
+++ b/fs/orangefs/super.c
@@ -579,6 +579,11 @@ void orangefs_kill_sb(struct super_block *sb)
/* provided sb cleanup */
kill_anon_super(sb);
+ if (!ORANGEFS_SB(sb)) {
+ mutex_lock(&orangefs_request_mutex);
+ mutex_unlock(&orangefs_request_mutex);
+ return;
+ }
/*
* issue the unmount to userspace to tell it to remove the
* dynamic mount info it has for this superblock