From patchwork Thu Jun 1 19:03:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Goldwyn Rodrigues X-Patchwork-Id: 9760883 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 DA92560360 for ; Thu, 1 Jun 2017 19:03:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC022284F1 for ; Thu, 1 Jun 2017 19:03:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B062F28518; Thu, 1 Jun 2017 19:03:55 +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 04143284F1 for ; Thu, 1 Jun 2017 19:03:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751105AbdFATDy (ORCPT ); Thu, 1 Jun 2017 15:03:54 -0400 Received: from mx2.suse.de ([195.135.220.15]:35936 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751083AbdFATDy (ORCPT ); Thu, 1 Jun 2017 15:03:54 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 19223AAB4 for ; Thu, 1 Jun 2017 19:03:53 +0000 (UTC) From: Goldwyn Rodrigues To: fstests@vger.kernel.org Cc: Goldwyn Rodrigues Subject: [PATCH] btrfs/144: quota exhausts prematurely with direct I/O Date: Thu, 1 Jun 2017 14:03:48 -0500 Message-Id: <20170601190348.7617-1-rgoldwyn@suse.de> X-Mailer: git-send-email 2.12.3 Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Goldwyn Rodrigues While performing direct I/O in small blocksizes, the quota gets exhausted prematurely. In the test, we are trying to create ~180M file with a block size of 512 bytes using direct I/O on a subvolume which is allocated 200M. This test is currently failing. Signed-off-by: Goldwyn Rodrigues --- tests/btrfs/144 | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/144.out | 3 +++ tests/btrfs/group | 1 + 3 files changed, 74 insertions(+) create mode 100755 tests/btrfs/144 create mode 100644 tests/btrfs/144.out diff --git a/tests/btrfs/144 b/tests/btrfs/144 new file mode 100755 index 00000000..34156716 --- /dev/null +++ b/tests/btrfs/144 @@ -0,0 +1,70 @@ +#! /bin/bash +# FS QA Test 144 +# +# Check if btrfs quota limits are not reached when direct writes +# are performed in small blocks. +# +# This test is currently failing. +# +#----------------------------------------------------------------------- +# Copyright (c) 2017 SUSE. 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 $seqres.full + +_supported_fs btrfs +_supported_os Linux +_require_scratch + +_scratch_mkfs > /dev/null 2>&1 +_scratch_mount + +SUBVOL=$SCRATCH_MNT/subvol + +_run_btrfs_util_prog subvolume create $SUBVOL +_run_btrfs_util_prog quota enable $SCRATCH_MNT +_run_btrfs_util_prog quota rescan -w $SCRATCH_MNT +_run_btrfs_util_prog qgroup limit -e 200M $SUBVOL + + +# Direct write file within 200M limits + +dd if=/dev/zero of=$SUBVOL/file1 count=36000 bs=512 oflag=direct + +# success, all done +status=0 +exit diff --git a/tests/btrfs/144.out b/tests/btrfs/144.out new file mode 100644 index 00000000..49244bdb --- /dev/null +++ b/tests/btrfs/144.out @@ -0,0 +1,3 @@ +QA output created by 144 +36000+0 records in +36000+0 records out diff --git a/tests/btrfs/group b/tests/btrfs/group index 6f19619e..1de7c161 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -145,3 +145,4 @@ 141 auto quick 142 auto quick 143 auto quick +144 auto quick qgroup