#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016, Oracle and/or its affiliates.  All Rights Reserved.
#
# FS QA Test No. 318
#
# Simulate free extent errors with a file write and a file remove.
#
. ./common/preamble
_begin_fstest auto quick rw freeze

# Override the default cleanup function.
_cleanup()
{
	# Make sure $SCRATCH_MNT is unfreezed
	xfs_freeze -u $SCRATCH_MNT 2>/dev/null
	cd /
	rm -rf $tmp.*
}

# Import common functions.
. ./common/filter
. ./common/inject

# real QA test starts here
_supported_fs xfs
_require_scratch
_require_error_injection
_require_xfs_io_error_injection "rmap_finish_one"
_require_freeze

blksz=65536
blks=64
sz=$((blksz * blks))
echo "Format filesystem"
_scratch_mkfs >/dev/null 2>&1
_scratch_mount >> $seqres.full

# This test depends on specific behaviors of the data device, so create all
# files on it.
_xfs_force_bdev data $SCRATCH_MNT

echo "Create files"
touch $SCRATCH_MNT/file1

echo "Write files"
$XFS_IO_PROG -c "pwrite -S 0x67 0 $sz" $SCRATCH_MNT/file1 >> $seqres.full
sync

echo "Check files"
md5sum $SCRATCH_MNT/file1 2>&1 | _filter_scratch

echo "Inject error"
_scratch_inject_error "free_extent"

echo "Remove files"
rm -rf $SCRATCH_MNT/file1
sync
$XFS_IO_PROG -x -c 'freeze' -c 'thaw' $SCRATCH_MNT >> $seqres.full 2>&1

echo "FS should be shut down, touch will fail"
touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch

echo "Remount to replay log"
_scratch_remount_dump_log >> $seqres.full

echo "Check files"
md5sum $SCRATCH_MNT/file1 2>&1 | _filter_scratch

echo "FS should be online, touch should succeed"
touch $SCRATCH_MNT/goodfs

echo "Done"

# success, all done
status=0
exit