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-rw-r--r--fs/namespace.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index 7bd74b25930..94f026ec990 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -262,10 +262,8 @@ static struct vfsmount *clone_mnt(struct vfsmount *old, struct dentry *root,
/* stick the duplicate mount on the same expiry list
* as the original if that was on one */
if (flag & CL_EXPIRE) {
- spin_lock(&vfsmount_lock);
if (!list_empty(&old->mnt_expire))
list_add(&mnt->mnt_expire, &old->mnt_expire);
- spin_unlock(&vfsmount_lock);
}
}
return mnt;
@@ -1127,11 +1125,9 @@ static noinline int do_move_mount(struct nameidata *nd, char *old_name)
if (err)
goto out1;
- spin_lock(&vfsmount_lock);
/* if the mount is moved, it should no longer be expire
* automatically */
list_del_init(&old_nd.path.mnt->mnt_expire);
- spin_unlock(&vfsmount_lock);
out1:
mutex_unlock(&nd->path.dentry->d_inode->i_mutex);
out:
@@ -1198,12 +1194,9 @@ int do_add_mount(struct vfsmount *newmnt, struct nameidata *nd,
if ((err = graft_tree(newmnt, nd)))
goto unlock;
- if (fslist) {
- /* add to the specified expiration list */
- spin_lock(&vfsmount_lock);
+ if (fslist) /* add to the specified expiration list */
list_add_tail(&newmnt->mnt_expire, fslist);
- spin_unlock(&vfsmount_lock);
- }
+
up_write(&namespace_sem);
return 0;