And followed by a rw mount.
Suggested-by: Donald Douwsma <ddouwsma@xxxxxxxxxx>
Signed-off-by: Murphy Zhou <xzhou@xxxxxxxxxx>
---
v2:
Add explaination of the issue
add xfs_force_bdev data $SCRATCH_MNT
use DF_PROG
Re numbered this test
tests/xfs/999 | 61 +++++++++++++++++++++++++++++++++++++++++++++++
tests/xfs/999.out | 2 ++
2 files changed, 63 insertions(+)
create mode 100755 tests/xfs/999
create mode 100644 tests/xfs/999.out
diff --git a/tests/xfs/999 b/tests/xfs/999
new file mode 100755
index 00000000..c93ed770
--- /dev/null
+++ b/tests/xfs/999
@@ -0,0 +1,61 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2021 RedHat All Rights Reserved.
+#
+# FS QA Test 999
+#
+# Testcase for kernel commit:
+# 50d25484bebe xfs: sync lazy sb accounting on quiesce of read-only mounts
+#
+# After shutdown and readonly mount, a following read-write mount would
+# get wrong number of available blocks. This is caused by unmounting the log
+# on a readonly filesystem doesn't log the sb counters.
+#
+. ./common/preamble
+_begin_fstest shutdown auto quick
+
+# real QA test starts here
+
+_supported_fs xfs
+_require_scratch
+
+_scratch_mkfs > $seqres.full 2>&1
+mount $SCRATCH_DEV $SCRATCH_MNT
+_xfs_force_bdev data $SCRATCH_MNT
+
+# Write test file
+ls > $SCRATCH_MNT/testfile
+$DF_PROG $SCRATCH_MNT >> $seqres.full 2>&1
+
+# Shutdown
+$XFS_IO_PROG -x -c "shutdown -f" $SCRATCH_MNT
+
+# Mount ReadOnly
+_scratch_unmount
+_scratch_mount -oro
+$DF_PROG $SCRATCH_MNT >> $seqres.full 2>&1
+# Umount and mount rw
+_scratch_unmount
+_scratch_mount
+
+# Get fdblocks before repair
+fdb1=$($DF_PROG $SCRATCH_MNT | tail -1 | $AWK_PROG '{print $4}')
+_scratch_unmount
+
+# Repair
+_repair_scratch_fs >> $seqres.full 2>&1
+
+# Re-mount
+_scratch_mount
+
+# Get fdblocks after repair
+fdb2=$($DF_PROG $SCRATCH_MNT | tail -1 | $AWK_PROG '{print $4}')
+
+echo fdb1 $fdb1 fdb2 $fdb2 >> $seqres.full 2>&1
+
+[ $fdb1 -ne $fdb2 ] && echo Wrong fdblocks: $fdb1 and $fdb2
+
+# success, all done
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/xfs/999.out b/tests/xfs/999.out
new file mode 100644
index 00000000..3b276ca8
--- /dev/null
+++ b/tests/xfs/999.out
@@ -0,0 +1,2 @@
+QA output created by 999
+Silence is golden
--
2.20.1
