From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 29 Sep 2013 00:30:00 +0000 (-0400)
Subject: mnt_set_expiry() doesn't need vfsmount_lock
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f6b742d8697ae0aeacb025e6e0ab3c61a6918846;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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);