From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id oA8KdBjm118143 for ; Mon, 8 Nov 2010 14:39:11 -0600 Received: from mx1.redhat.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id C36981638AC for ; Mon, 8 Nov 2010 12:40:37 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id eJkdxYbl35eUn37b for ; Mon, 08 Nov 2010 12:40:37 -0800 (PST) From: Josef Bacik Subject: [PATCH 5/6] Btrfs: fail if we try to use hole punch Date: Mon, 8 Nov 2010 15:32:06 -0500 Message-Id: <1289248327-16308-5-git-send-email-josef@redhat.com> In-Reply-To: <1289248327-16308-1-git-send-email-josef@redhat.com> References: <1289248327-16308-1-git-send-email-josef@redhat.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, joel.becker@oracle.com, cmm@us.ibm.com, cluster-devel@redhat.com Btrfs doesn't have the ability to punch holes yet, so make sure we return EOPNOTSUPP if we try to use hole punching through fallocate. This support can be added later. Thanks, Signed-off-by: Josef Bacik --- fs/btrfs/inode.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 78877d7..c590add 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6936,6 +6936,10 @@ static long btrfs_fallocate(struct inode *inode, int mode, alloc_start = offset & ~mask; alloc_end = (offset + len + mask) & ~mask; + /* We only support the FALLOC_FL_KEEP_SIZE mode */ + if (mode && (mode & FALLOC_FL_KEEP_SIZE)) + return -EOPNOTSUPP; + /* * wait for ordered IO before we have any locks. We'll loop again * below with the locks held. -- 1.6.6.1 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs