split __lookup_mnt() in two functions

Instead of passing the direction as argument (and checking it on every
step through the hash chain), just have separate __lookup_mnt() and
__lookup_mnt_last().  And use the standard iterators...

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

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/namei.c b/fs/namei.c
index 645268f23eb6..1f844fbfce72 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1111,7 +1111,7 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path,
                 if (!d_mountpoint(path->dentry))
                         break;
 
-                mounted = __lookup_mnt(path->mnt, path->dentry, 1);
+                mounted = __lookup_mnt(path->mnt, path->dentry);
                 if (!mounted)
                         break;
                 path->mnt = &mounted->mnt;
@@ -1132,7 +1132,7 @@ static void follow_mount_rcu(struct nameidata *nd)
 {
         while (d_mountpoint(nd->path.dentry)) {
                 struct mount *mounted;
-                mounted = __lookup_mnt(nd->path.mnt, nd->path.dentry, 1);
+                mounted = __lookup_mnt(nd->path.mnt, nd->path.dentry);
                 if (!mounted)
                         break;
                 nd->path.mnt = &mounted->mnt;