linux-kernel - [PATCH 08/17] mnt_set_expiry() doesn't need vfsmount

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Date:	Thu, 03 Oct 2013 07:18:46 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	torvalds@...ux-foundation.org
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 08/17] mnt_set_expiry() doesn't need vfsmount_lock


->mnt_expire is protected by namespace_sem

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 fs/namespace.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 2632998..d5cd086 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);
-- 
1.7.2.5


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