From patchwork Wed Jul 20 07:34:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoguang Wang X-Patchwork-Id: 9238999 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A49DB600CB for ; Wed, 20 Jul 2016 07:37:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 993452624C for ; Wed, 20 Jul 2016 07:37:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8E066268AE; Wed, 20 Jul 2016 07:37:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2EECF2624C for ; Wed, 20 Jul 2016 07:37:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752687AbcGTHhq (ORCPT ); Wed, 20 Jul 2016 03:37:46 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:7198 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752674AbcGTHhp (ORCPT ); Wed, 20 Jul 2016 03:37:45 -0400 X-IronPort-AV: E=Sophos;i="5.20,367,1444665600"; d="scan'208";a="678437" Received: from unknown (HELO cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 20 Jul 2016 15:37:21 +0800 Received: from localhost.localdomain (unknown [10.167.226.107]) by cn.fujitsu.com (Postfix) with ESMTP id CE65D4056401; Wed, 20 Jul 2016 15:37:16 +0800 (CST) From: Wang Xiaoguang To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org Subject: [PATCH] btrfs: test whether fallocate(2) can preallocate half of the whole fs space Date: Wed, 20 Jul 2016 15:34:50 +0800 Message-Id: <20160720073450.8952-1-wangxg.fnst@cn.fujitsu.com> X-Mailer: git-send-email 2.9.0 MIME-Version: 1.0 X-yoursite-MailScanner-ID: CE65D4056401.A0D3D X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: wangxg.fnst@cn.fujitsu.com Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Currently in btrfs, there is something wrong with data space reservation. For example, if we try to preallocate more than haf of whole fs space, ENOSPC will occur, but indeed fs still has free space to satisfy this request. To easily reproduce this bug, this test case needs fs is mixed mode(btrfs specific), so put this test case in btrfs group, not generic group. Signed-off-by: Wang Xiaoguang --- tests/btrfs/127 | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/127.out | 2 ++ tests/btrfs/group | 1 + 3 files changed, 64 insertions(+) create mode 100755 tests/btrfs/127 create mode 100644 tests/btrfs/127.out diff --git a/tests/btrfs/127 b/tests/btrfs/127 new file mode 100755 index 0000000..f95c72f --- /dev/null +++ b/tests/btrfs/127 @@ -0,0 +1,61 @@ +#! /bin/bash +# FS QA Test 127 +# +# Test whether fallocate(2) can preallocate half of the whole fs space. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Fujitsu. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +# Modify as appropriate. +_supported_fs btrfs +_supported_os Linux +_require_scratch + +MKFS_OPTIONS="-M" +_scratch_mkfs_sized $((256 * 1024 * 1024)) >> $seqres.full 2>&1 +_scratch_mount + +$XFS_IO_PROG -f -c "falloc 0 128M" $SCRATCH_MNT/testfile | _filter_xfs_io + +echo "Silence is golden" +status=0 +exit diff --git a/tests/btrfs/127.out b/tests/btrfs/127.out new file mode 100644 index 0000000..0af84c0 --- /dev/null +++ b/tests/btrfs/127.out @@ -0,0 +1,2 @@ +QA output created by 127 +Silence is golden diff --git a/tests/btrfs/group b/tests/btrfs/group index a21a80a..4c3ac00 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -129,3 +129,4 @@ 124 auto replace 125 auto replace 126 auto quick qgroup +127 auto quick metadata enospc