From: Jeff Layton Subject: [xfstests PATCH v3 3/5] generic: test writeback error handling on dmerror devices Date: Wed, 31 May 2017 09:08:18 -0400 Message-ID: <20170531130820.17634-4-jlayton@redhat.com> References: <20170531130820.17634-1-jlayton@redhat.com> Cc: Andrew Morton , Al Viro , Jan Kara , tytso@mit.edu, axboe@kernel.dk, mawilcox@microsoft.com, ross.zwisler@linux.intel.com, corbet@lwn.net, dhowells@redhat.com, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-doc@vger.kernel.org To: fstests@vger.kernel.org Return-path: In-Reply-To: <20170531130820.17634-1-jlayton@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org Ensure that we get an error back on all fds when a block device is open by multiple writers and writeback fails. Signed-off-by: Jeff Layton --- tests/generic/998 | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/998.out | 2 ++ tests/generic/group | 1 + 3 files changed, 67 insertions(+) create mode 100755 tests/generic/998 create mode 100644 tests/generic/998.out diff --git a/tests/generic/998 b/tests/generic/998 new file mode 100755 index 000000000000..fbadb47507c2 --- /dev/null +++ b/tests/generic/998 @@ -0,0 +1,64 @@ +#! /bin/bash +# FS QA Test No. 998 +# +# Test writeback error handling when writing to block devices via pagecache. +# See src/fsync-err.c for details of what test actually does. +# +#----------------------------------------------------------------------- +# Copyright (c) 2017, Jeff Layton +# +# 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 -rf $tmp.* $testdir + _dmerror_cleanup +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/dmerror + +# real QA test starts here +_supported_os Linux +_require_scratch +_require_logdev +_require_dm_target error +_require_test_program fsync-err + +rm -f $seqres.full + +$XFS_IO_PROG -d -c "pwrite -S 0x7c -b 1048576 0 $((64 * 1048576))" $SCRATCH_DEV >> $seqres.full +_dmerror_init + +$here/src/fsync-err $DMERROR_DEV + +# success, all done +_dmerror_load_working_table +_dmerror_cleanup +_scratch_mkfs > $seqres.full 2>&1 +status=0 +exit diff --git a/tests/generic/998.out b/tests/generic/998.out new file mode 100644 index 000000000000..658c438820e2 --- /dev/null +++ b/tests/generic/998.out @@ -0,0 +1,2 @@ +QA output created by 998 +Test passed! diff --git a/tests/generic/group b/tests/generic/group index 39f7b14657f1..9fc384363ca7 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -440,4 +440,5 @@ 435 auto encrypt 436 auto quick rw 437 auto quick +998 auto quick 999 auto quick -- 2.9.4