Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755670Ab0KHUl6 (ORCPT ); Mon, 8 Nov 2010 15:41:58 -0500 Received: from mx1.redhat.com ([209.132.183.28]:31309 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754700Ab0KHUki (ORCPT ); Mon, 8 Nov 2010 15:40:38 -0500 From: Josef Bacik 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 Subject: [PATCH 4/6] Ext4: fail if we try to use hole punch Date: Mon, 8 Nov 2010 15:32:05 -0500 Message-Id: <1289248327-16308-4-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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1089 Lines: 32 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..9bff6bd 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 -- 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/