[PATCH 07/21] Unionfs: Actually verify if dentry's info node is locked

[Josef 'Jeff' Sipek]

From: Erez Zadok <ezk@xxxxxxxxxxxxx>

Signed-off-by: Erez Zadok <ezk@xxxxxxxxxxxxx>
Signed-off-by: Josef 'Jeff' Sipek <jsipek@xxxxxxxxxxxxx>
---
 fs/unionfs/fanout.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/unionfs/fanout.h b/fs/unionfs/fanout.h
index 3d1dd4c..e8c0fee 100644
--- a/fs/unionfs/fanout.h
+++ b/fs/unionfs/fanout.h
@@ -205,6 +205,7 @@ static inline void unionfs_unlock_dentry(struct dentry *d)
 
 static inline void verify_locked(struct dentry *d)
 {
+	BUG_ON(!mutex_is_locked(&UNIONFS_D(d)->lock));
 }
 
 #endif	/* _FANOUT_H */
-- 
1.5.0.3.268.g3dda

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