mnt_set_expiry() doesn't need vfsmount_lock

->mnt_expire is protected by namespace_sem

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 2 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index f57117d9f0ee..e45503d62fed 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2080,11 +2080,9 @@ fail:
 void mnt_set_expiry(struct vfsmount *mnt, struct list_head *expiry_list)
 {
         namespace_lock();
-        br_write_lock(&vfsmount_lock);
 
         list_add_tail(&real_mount(mnt)->mnt_expire, expiry_list);
 
-        br_write_unlock(&vfsmount_lock);
         namespace_unlock();
 }
 EXPORT_SYMBOL(mnt_set_expiry);