switch dentry_open() to struct path, make it grab references itself

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

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index 0e3c0924cc3a..c0353dfac51f 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -891,6 +891,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
         struct cachefiles_cache *cache;
         mm_segment_t old_fs;
         struct file *file;
+        struct path path;
         loff_t pos, eof;
         size_t len;
         void *data;
@@ -916,10 +917,9 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
 
         /* write the page to the backing filesystem and let it store it in its
          * own time */
-        dget(object->backer);
-        mntget(cache->mnt);
-        file = dentry_open(object->backer, cache->mnt, O_RDWR,
-                           cache->cache_cred);
+        path.mnt = cache->mnt;
+        path.dentry = object->backer;
+        file = dentry_open(&path, O_RDWR, cache->cache_cred);
         if (IS_ERR(file)) {
                 ret = PTR_ERR(file);
         } else {