[v2,1/2] xfs: online grow vs. log recovery stress test

Commit Message

Brian Foster Oct. 29, 2024, 5:21 p.m. UTC

fstests includes decent functional tests for online growfs and
shrink, and decent stress tests for crash and log recovery, but no
combination of the two. This test combines bits from a typical
growfs stress test like xfs/104 with crash recovery cycles from a
test like generic/388. As a result, this reproduces at least a
couple recently fixed issues related to log recovery of online
growfs operations.

Signed-off-by: Brian Foster <[e-mail]>
---
 tests/xfs/609     | 81 +++++++++++++++++++++++++++++++++++++++++++++++
 tests/xfs/609.out |  2 ++
 2 files changed, 83 insertions(+)
 create mode 100755 tests/xfs/609
 create mode 100644 tests/xfs/609.out

Patch

diff --git a/tests/xfs/609 b/tests/xfs/609
new file mode 100755
index 00000000..4df966f7
--- /dev/null
+++ b/tests/xfs/609
@@ -0,0 +1,81 @@ 
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2024 Red Hat, Inc.  All Rights Reserved.
+#
+# FS QA Test No. 609
+#
+# Test XFS online growfs log recovery.
+#
+. ./common/preamble
+_begin_fstest auto growfs stress shutdown log recoveryloop
+
+# Import common functions.
+. ./common/filter
+
+_stress_scratch()
+{
+	procs=4
+	nops=999999
+	# -w ensures that the only ops are ones which cause write I/O
+	FSSTRESS_ARGS=`_scale_fsstress_args -d $SCRATCH_MNT -w -p $procs \
+	    -n $nops $FSSTRESS_AVOID`
+	$FSSTRESS_PROG $FSSTRESS_ARGS >> $seqres.full 2>&1 &
+}
+
+_require_scratch
+_require_command "$XFS_GROWFS_PROG" xfs_growfs
+_require_command "$KILLALL_PROG" killall
+
+_cleanup()
+{
+	$KILLALL_ALL fsstress > /dev/null 2>&1
+	wait
+	cd /
+	rm -f $tmp.*
+}
+
+_scratch_mkfs_xfs | _filter_mkfs >$seqres.full 2>$tmp.mkfs
+. $tmp.mkfs	# extract blocksize and data size for scratch device
+
+endsize=`expr 550 \* 1048576`	# stop after growing this big
+[ `expr $endsize / $dbsize` -lt $dblocks ] || _notrun "Scratch device too small"
+
+nags=4
+size=`expr 125 \* 1048576`	# 120 megabytes initially
+sizeb=`expr $size / $dbsize`	# in data blocks
+logblks=$(_scratch_find_xfs_min_logblocks -dsize=${size} -dagcount=${nags})
+
+_scratch_mkfs_xfs -lsize=${logblks}b -dsize=${size} -dagcount=${nags} \
+	>> $seqres.full || _fail "mkfs failed"
+_scratch_mount
+
+# Grow the filesystem in random sized chunks while stressing and performing
+# shutdown and recovery. The randomization is intended to create a mix of sub-ag
+# and multi-ag grows.
+while [ $size -le $endsize ]; do
+	echo "*** stressing a ${sizeb} block filesystem" >> $seqres.full
+	_stress_scratch
+	incsize=$((RANDOM % 40 * 1048576))
+	size=`expr $size + $incsize`
+	sizeb=`expr $size / $dbsize`	# in data blocks
+	echo "*** growing to a ${sizeb} block filesystem" >> $seqres.full
+	$XFS_GROWFS_PROG -D ${sizeb} $SCRATCH_MNT >> $seqres.full
+
+	sleep $((RANDOM % 3))
+	_scratch_shutdown
+	ps -e | grep fsstress > /dev/null 2>&1
+	while [ $? -eq 0 ]; do
+		$KILLALL_PROG -9 fsstress > /dev/null 2>&1
+		wait > /dev/null 2>&1
+		ps -e | grep fsstress > /dev/null 2>&1
+	done
+	_scratch_cycle_mount || _fail "cycle mount failed"
+done > /dev/null 2>&1
+wait	# stop for any remaining stress processes
+
+_scratch_unmount
+
+echo Silence is golden.
+
+status=0
+exit
diff --git a/tests/xfs/609.out b/tests/xfs/609.out
new file mode 100644
index 00000000..8be27d3a
--- /dev/null
+++ b/tests/xfs/609.out
@@ -0,0 +1,2 @@ 
+QA output created by 609
+Silence is golden.