From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Liu Subject: [RFC PATCH 2/3] fiemap: document update Date: Wed, 20 Feb 2013 11:59:24 +0800 Message-ID: <51244A1C.7050504@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Alexander Viro , Andreas Dilger , Dave Chinner , Mark Fasheh , Joel Becker , Jan Kara , Chris Mason , Christoph Hellwig , ocfs2-devel@oss.oracle.com To: "linux-fsdevel@vger.kernel.org" Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:40768 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934914Ab3BTEAq (ORCPT ); Tue, 19 Feb 2013 23:00:46 -0500 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Update fiemap document to add FIEMAP_FLAG_COW support. Signed-off-by: Jie Liu Cc: Alexander Viro Cc: Andreas Dilger Cc: Dave Chinner Cc: Mark Fasheh Cc: Joel Becker Cc: Jan Kara Cc: Chris Mason Cc: Christoph Hellwig --- Documentation/filesystems/fiemap.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/filesystems/fiemap.txt b/Documentation/filesystems/fiemap.txt index 1b805a0..8942d3f 100644 --- a/Documentation/filesystems/fiemap.txt +++ b/Documentation/filesystems/fiemap.txt @@ -58,6 +58,9 @@ If this flag is set, the kernel will sync the file before mapping extents. If this flag is set, the extents returned will describe the inodes extended attribute lookup tree, instead of its data tree. +* FIEMAP_FLAG_COW +If this flag is set, the kernel will only return the extents which are in +copy-on-write state. Extent Mapping -------------- -- 1.7.9.5