generic: test for file fsync after moving it to a new parent directory

[xfstests-dev.git] / tests / generic / 510

diff --git a/tests/generic/510 b/tests/generic/510
new file mode 100755 (executable)
index 0000000..551cbe3
--- /dev/null
+++ b/tests/generic/510
@@ -0,0 +1,71 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
+#
+# FS QA Test No. 510
+#
+# Test that if we move a file from a directory B to a directory A, replace
+# directory B with directory A, fsync the file and then power fail, after
+# mounting the filesystem the file has a single parent, named B and there
+# is no longer any directory with the name A.
+#
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+tmp=/tmp/$$
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+       _cleanup_flakey
+       cd /
+       rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/dmflakey
+
+# real QA test starts here
+_supported_fs generic
+_supported_os Linux
+_require_scratch
+_require_dm_target flakey
+
+rm -f $seqres.full
+
+_scratch_mkfs >>$seqres.full 2>&1
+_require_metadata_journaling $SCRATCH_DEV
+_init_flakey
+_mount_flakey
+
+# Create our test directories and file.
+mkdir $SCRATCH_MNT/testdir
+mkdir $SCRATCH_MNT/testdir/A
+mkdir $SCRATCH_MNT/testdir/B
+touch $SCRATCH_MNT/testdir/B/bar
+
+# Make sure everything done so far is durably persisted.
+sync
+
+# Now move our file bar from directory B to directory A and then replace
+# directory B with directory A, also renaming directory A to B. Finally
+# fsync file bar.
+mv $SCRATCH_MNT/testdir/B/bar $SCRATCH_MNT/testdir/A/bar
+mv -T $SCRATCH_MNT/testdir/A $SCRATCH_MNT/testdir/B
+$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/testdir/B/bar
+
+# Simulate a power failure and mount the filesystem. We expect file bar
+# to exist and have a single parent directory, named B, and that no
+# directory named A exists.
+_flakey_drop_and_remount
+
+echo "Filesystem content after power failure:"
+ls -R $SCRATCH_MNT/testdir | _filter_scratch
+
+_unmount_flakey
+
+status=0
+exit