9p: switch to %p[dD]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index cc1cfae..eb14e05 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -266,8 +266,8 @@
 	 * Now that we do caching with cache mode enabled, We need
 	 * to support direct IO
 	 */
-	p9_debug(P9_DEBUG_VFS, "v9fs_direct_IO: v9fs_direct_IO (%s) off/no(%lld/%lu) EINVAL\n",
-		 iocb->ki_filp->f_path.dentry->d_name.name,
+	p9_debug(P9_DEBUG_VFS, "v9fs_direct_IO: v9fs_direct_IO (%pD) off/no(%lld/%lu) EINVAL\n",
+		 iocb->ki_filp,
 		 (long long)pos, iter->nr_segs);
 
 	return -EINVAL;