xfstests: add a new quota test that runs fsstress under ENOSPC conditions

- Same as 264 but with quota enabled.
- IO performed from $qa_user user
- fsstress granted with CAP_CHOWN capability.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>

270

@@ -0,0 +1,108 @@
+#! /bin/bash
+# FSQA Test No. 270
+#
+# Run fsstress and ENSPC hitters in parallel, check quota and 
+# fs consistency an the end
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2006 Silicon Graphics, Inc.  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
+#
+#-----------------------------------------------------------------------
+#
+# creator
+owner=dmonakhov@openvz.org
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1	# failure is the default!
+trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+. ./common.quota
+
+# Disable all sync operations to get higher load
+FSSTRESS_AVOID="$FSSTRESS_AVOID -ffsync=0 -fsync=0 -ffdatasync=0"
+_workout()
+{
+	echo ""
+	echo "Run fsstress"
+	echo ""
+	num_iterations=10
+	enospc_time=2
+	out=$SCRATCH_MNT/fsstress.$$
+	args="-p128 -n999999999 -f setattr=1 $FSSTRESS_AVOID -d $out"
+	echo "fsstress $args" >> $here/$seq.full
+	# Grant chown capability 
+	cp $FSSTRESS_PROG  $tmp.fsstress.bin
+	setcap cap_chown=epi  $tmp.fsstress.bin
+
+	(su $qa_user -c "$tmp.fsstress.bin $args" &) > /dev/null 2>&1
+	pid=$!
+
+	echo "Run dd writers in parallel"
+	for ((i=0; i < num_iterations; i++))
+	do
+		# File will be opened with O_TRUNC each time
+		su $qa_user -c "dd if=/dev/zero \
+			of=$SCRATCH_MNT/SPACE_CONSUMER bs=1M " \
+			> /dev/null 2>&1
+		sleep $enospc_time
+	done
+
+	killall $tmp.fsstress.bin
+	wait $pid
+}
+
+# real QA test starts here
+_supported_fs generic
+_supported_os Linux
+_require_scratch
+_require_quota
+_require_user
+_need_to_be_root
+
+umount $SCRATCH_DEV 2>/dev/null
+_scratch_mkfs_sized $((512 * 1024 * 1024)) >> $seq.full 2>&1
+_scratch_mount "-o usrquota,grpquota"
+chmod 777 $SCRATCH_MNT
+quotacheck -u -g $SCRATCH_MNT 2>/dev/null
+quotaon -u -g $SCRATCH_MNT 2>/dev/null
+
+if ! _workout; then
+	_scratch_unmount 2>/dev/null
+	exit
+fi
+
+if ! _check_quota_usage; then
+	_scratch_unmount 2>/dev/null
+	status=1
+	exit
+fi
+
+echo Comparing filesystem consistency
+if ! _scratch_unmount; then
+	echo "failed to umount"
+	status=1
+	exit
+fi
+_check_scratch_fs
+status=$?
+exit

270.out

@@ -0,0 +1,8 @@
+QA output created by 270
+
+Run fsstress
+
+Run dd writers in parallel
+Comparing user usage
+Comparing group usage
+Comparing filesystem consistency

group

@@ -383,3 +383,4 @@ deprecated
 267 dump ioctl tape
 268 dump ioctl tape
 269 auto rw prealloc ioctl enospc
+270 auto quota rw prealloc ioctl enospc