switch unlock_mount() to namespace_unlock(), convert all umount_tree() callers

which allows to kill the last argument of umount_tree() and make release_mounts()
static.

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

1 files changed, 1 insertions, 3 deletions

diff --git a/fs/pnode.c b/fs/pnode.c
index 98e0d3a23fac..43617258fa6a 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -225,7 +225,6 @@ int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp,
         struct mount *prev_dest_mnt = dest_mnt;
         struct mount *prev_src_mnt  = source_mnt;
         LIST_HEAD(tmp_list);
-        LIST_HEAD(umount_list);
 
         for (m = propagation_next(dest_mnt, dest_mnt); m;
                         m = propagation_next(m, dest_mnt)) {
@@ -261,10 +260,9 @@ out:
         br_write_lock(&vfsmount_lock);
         while (!list_empty(&tmp_list)) {
                 child = list_first_entry(&tmp_list, struct mount, mnt_hash);
-                umount_tree(child, 0, &umount_list);
+                umount_tree(child, 0);
         }
         br_write_unlock(&vfsmount_lock);
-        release_mounts(&umount_list);
         return ret;
 }