9p: turn fid->dlist into hlist

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 5ff70f4..4c7c01a 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -192,7 +192,7 @@
 	void *rdir;
 
 	struct list_head flist;
-	struct list_head dlist;	/* list of all fids attached to a dentry */
+	struct hlist_node dlist;	/* list of all fids attached to a dentry */
 };
 
 /**