From patchwork Fri Apr 15 03:03:06 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zefan X-Patchwork-Id: 710041 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p3F30kgn023156 for ; Fri, 15 Apr 2011 03:00:46 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755344Ab1DOC75 (ORCPT ); Thu, 14 Apr 2011 22:59:57 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:57068 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755033Ab1DOC74 (ORCPT ); Thu, 14 Apr 2011 22:59:56 -0400 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id AFDA017011D; Fri, 15 Apr 2011 10:59:54 +0800 (CST) Received: from mailserver.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id p3F2xskU028332; Fri, 15 Apr 2011 10:59:54 +0800 Received: from [10.167.225.230] ([10.167.225.230]) by mailserver.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.1FP4) with ESMTP id 2011041511003168-67704 ; Fri, 15 Apr 2011 11:00:31 +0800 Message-ID: <4DA7B56A.6080503@cn.fujitsu.com> Date: Fri, 15 Apr 2011 11:03:06 +0800 From: Li Zefan User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc14 Thunderbird/3.1.4 MIME-Version: 1.0 To: Chris Mason CC: "linux-btrfs@vger.kernel.org" , linux-fsdevel@vger.kernel.org, LKML Subject: [PATCH 2/3] Btrfs: fix FS_IOC_GETFLAGS ioctl References: <4DA7B559.8060800@cn.fujitsu.com> In-Reply-To: <4DA7B559.8060800@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-04-15 11:00:31, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-04-15 11:00:32, Serialize complete at 2011-04-15 11:00:32 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Fri, 15 Apr 2011 03:00:46 +0000 (UTC) As we've added per file compression/cow support. Signed-off-by: Li Zefan --- fs/btrfs/ioctl.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 3240dd9..aeabf6b 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -81,6 +81,13 @@ static unsigned int btrfs_flags_to_ioctl(unsigned int flags) iflags |= FS_NOATIME_FL; if (flags & BTRFS_INODE_DIRSYNC) iflags |= FS_DIRSYNC_FL; + if (flags & BTRFS_INODE_NODATACOW) + iflags |= FS_NOCOW_FL; + + if ((flags & BTRFS_INODE_COMPRESS) && !(flags & BTRFS_INODE_NOCOMPRESS)) + iflags |= FS_COMPR_FL; + else if (flags & BTRFS_INODE_NOCOMPRESS) + iflags |= FS_NOCOMP_FL; return iflags; }