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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved.
#
# FS QA Test No. btrfs/148
#
# Test that direct IO writes work on RAID5 and RAID6 filesystems.
#
. ./common/preamble
_begin_fstest auto quick rw scrub
. ./common/filter
_supported_fs btrfs
_require_scratch
_require_scratch_dev_pool 4
_require_odirect
_require_btrfs_raid_type raid5
_require_btrfs_raid_type raid6
_scratch_dev_pool_get 4
test_direct_io_write()
{
local mkfs_options=$1
_scratch_pool_mkfs $mkfs_options >>$seqres.full 2>&1
_scratch_mount
$XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 1M" $SCRATCH_MNT/foo \
| _filter_xfs_io
# Now read back the same data, we expect to get what we wrote before.
echo "File data after direct IO write:"
od -t x1 $SCRATCH_MNT/foo | _filter_scratch
_scratch_cycle_mount
echo "File data after umounting and mounting again the filesystem:"
od -t x1 $SCRATCH_MNT/foo | _filter_scratch
$BTRFS_UTIL_PROG scrub start -B $SCRATCH_MNT >>$seqres.full 2>&1
if [ $? -ne 0 ]; then
echo "Scrub found errors" | tee -a $seqres.full
fi
_scratch_unmount
}
echo "Testing RAID5..."
test_direct_io_write "-m raid5 -d raid5"
echo "Testing RAID6..."
test_direct_io_write "-m raid6 -d raid6"
_scratch_dev_pool_put
status=0
exit
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