[PATCH review 7/9] mnt: Simplify umount_tree
Eric W. Biederman
ebiederm at xmission.com
Fri Jan 2 21:52:52 UTC 2015
Replace the open coded __detach_mnt with __detach_mnt.
Cc: stable at vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm at xmission.com>
---
fs/namespace.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/fs/namespace.c b/fs/namespace.c
index c3f526ce0522..9fae55f2242e 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1368,16 +1368,8 @@ static void umount_tree(struct mount *mnt, enum umount_tree_flags how)
if (how & UMOUNT_SYNC)
p->mnt.mnt_flags |= MNT_SYNC_UMOUNT;
if (mnt_has_parent(p)) {
- hlist_del_init(&p->mnt_mp_list);
- put_mountpoint(p->mnt_mp);
mnt_add_count(p->mnt_parent, -1);
- /* move the reference to mountpoint into ->mnt_ex_mountpoint */
- p->mnt_ex_mountpoint.dentry = p->mnt_mountpoint;
- p->mnt_ex_mountpoint.mnt = &p->mnt_parent->mnt;
- p->mnt_mountpoint = p->mnt.mnt_root;
- p->mnt_parent = p;
- p->mnt_mp = NULL;
- hlist_del_init_rcu(&p->mnt_hash);
+ __detach_mnt(p, &p->mnt_ex_mountpoint);
}
change_mnt_propagation(p, MS_PRIVATE);
}
--
2.2.1
More information about the Containers
mailing list