switch cachefiles to kern_path()

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

diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c
index 3797e00..2906077 100644 (file)
--- a/fs/cachefiles/bind.c
+++ b/fs/cachefiles/bind.c
@@ -84,7 +84,7 @@ int cachefiles_daemon_bind(struct cachefiles_cache *cache, char *args)
 static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache)
 {
        struct cachefiles_object *fsdef;
-       struct nameidata nd;
+       struct path path;
        struct kstatfs stats;
        struct dentry *graveyard, *cachedir, *root;
        const struct cred *saved_cred;
@@ -114,15 +114,12 @@ static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache)
        _debug("- fsdef %p", fsdef);
 
        /* look up the directory at the root of the cache */
-       memset(&nd, 0, sizeof(nd));
-
-       ret = path_lookup(cache->rootdirname, LOOKUP_DIRECTORY, &nd);
+       ret = kern_path(cache->rootdirname, LOOKUP_DIRECTORY, &path);
        if (ret < 0)
                goto error_open_root;
 
-       cache->mnt = mntget(nd.path.mnt);
-       root = dget(nd.path.dentry);
-       path_put(&nd.path);
+       cache->mnt = path.mnt;
+       root = path.dentry;
 
        /* check parameters */
        ret = -EOPNOTSUPP;