From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id oAFHDKbG149285 for ; Mon, 15 Nov 2010 11:13:21 -0600 Received: from mx1.redhat.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 2E7A81DB0555 for ; Mon, 15 Nov 2010 09:14:52 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id nF3IdBGwJEFHPvUh for ; Mon, 15 Nov 2010 09:14:52 -0800 (PST) From: Josef Bacik Subject: [PATCH 4/6] Ext4: fail if we try to use hole punch Date: Mon, 15 Nov 2010 12:05:21 -0500 Message-Id: <1289840723-3056-5-git-send-email-josef@redhat.com> In-Reply-To: <1289840723-3056-1-git-send-email-josef@redhat.com> References: <1289840723-3056-1-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: david@fromorbit.com, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com, cmm@us.ibm.com, cluster-devel@redhat.com, ocfs2-devel@oss.oracle.com Ext4 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/ext4/extents.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 0554c48..35bca73 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3622,6 +3622,10 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len) struct ext4_map_blocks map; unsigned int credits, blkbits = inode->i_blkbits; + /* We only support the FALLOC_FL_KEEP_SIZE mode */ + if (mode && (mode != FALLOC_FL_KEEP_SIZE)) + return -EOPNOTSUPP; + /* * currently supporting (pre)allocate mode for extent-based * files _only_ -- 1.6.6.1 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs