#! /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