Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755890AbaGIXvM (ORCPT ); Wed, 9 Jul 2014 19:51:12 -0400 Received: from message.langara.bc.ca ([142.35.159.25]:50265 "EHLO message.langara.bc.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750919AbaGIXvL (ORCPT ); Wed, 9 Jul 2014 19:51:11 -0400 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-disposition: inline Content-type: text/plain; charset=us-ascii From: Steven Stewart-Gallus To: linux-kernel@vger.kernel.org Cc: Christoph Hellwig Message-id: Date: Wed, 09 Jul 2014 23:51:11 +0000 (GMT) X-Mailer: Sun Java(tm) System Messenger Express 6.3-6.03 (built Mar 14 2008; 32bit) Content-language: en Subject: [PATCH v2 1/2] include/uapi: Define AT_ABSOLUTE to allow only absolute paths X-Accept-Language: en Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This way people can use existing functionality (passing an invalid value for dirfd to allow only absolute paths in *at style functions) and be compatible for the future if Linux ever adds in new AT_* flags. Signed-off-by: Steven Stewart-Gallus --- include/uapi/linux/fcntl.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/include/uapi/linux/fcntl.h b/include/uapi/linux/fcntl.h index 074b886..c4c5705 100644 --- a/include/uapi/linux/fcntl.h +++ b/include/uapi/linux/fcntl.h @@ -38,9 +38,16 @@ #define DN_ATTRIB 0x00000020 /* File changed attibutes */ #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */ +#define AT_FDABSOLUTE -1 /* Special value used to indicate + openat should not use any directory + and only accept absolute values. + Currently, other values work for this + but in the future that might + change. */ #define AT_FDCWD -100 /* Special value used to indicate - openat should use the current - working directory. */ + openat should use the current + working directory. */ + #define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */ #define AT_REMOVEDIR 0x200 /* Remove directory instead of unlinking file. */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/