xfstests generic/320: heavy rm workload test

This test is based on generic/273, a regression test for commit

9a3a5da xfs: check for stale inode before acquiring iflock on push

On unpatched kernel, rm processes would hang.

Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Rich Johnston <rjohnston@sgi.com>

tests/generic/320

@@ -0,0 +1,121 @@
+#! /bin/bash
+# FS QA Test No. generic/320
+#
+# heavy rm workload
+#
+# Regression test for commit:
+# 9a3a5da xfs: check for stale inode before acquiring iflock on push
+#
+# Based on generic/273
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2011-2012 Fujitsu, Inc.  All Rights Reserved.
+# Copyright (c) 2013 Red Hat, 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
+#
+#-----------------------------------------------------------------------
+#
+
+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 $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+# real QA test starts here
+_supported_fs generic
+_supported_os IRIX Linux
+_require_scratch
+
+threads=100
+count=2
+fs_size=$((2 * 1024 * 1024 * 1024))
+ORIGIN=$SCRATCH_MNT/origin
+
+threads_set()
+{
+	threads=$((LOAD_FACTOR * 100))
+	if [ $threads -gt 200 ]
+	then
+		threads=200
+	fi
+}
+
+file_create()
+{
+	i=0
+	mkdir $ORIGIN
+
+	disksize=$(($fs_size / 3))
+	num=$(($disksize / $count / $threads / 4096))
+	while [ $i -lt $num ]; do
+		$XFS_IO_PROG -f -c "pwrite 0 $((4096*count))" \
+			$ORIGIN/file_$i >>$seqres.full 2>&1
+		i=$(($i + 1))
+	done
+}
+
+worker()
+{
+	suffix=$1
+
+	mkdir $SCRATCH_MNT/sub_$suffix
+
+	cp -r $ORIGIN/* $SCRATCH_MNT/sub_$suffix >>$seqres.full 2>&1
+	rm -rf $SCRATCH_MNT/sub_$suffix
+}
+
+do_workload()
+{
+	pids=""
+	loop=1
+
+	threads_set
+	file_create
+
+	while [ $loop -lt $threads ]; do
+		worker $loop &
+		pids="$pids $!"
+		loop=$(($loop + 1))
+	done
+
+	wait $pids
+}
+
+echo "Silence is golden"
+
+rm -f $seqres.full
+
+_scratch_mkfs_sized $fs_size >>$seqres.full 2>&1
+_scratch_mount >>$seqres.full 2>&1
+
+do_workload
+
+_check_scratch_fs
+status=0
+exit

tests/generic/320.out

@@ -0,0 +1,2 @@
+QA output created by 320
+Silence is golden

tests/generic/group

@@ -122,4 +122,4 @@
 317 auto metadata quick
 318 acl attr auto quick
 319 acl auto quick
-
+320 auto rw