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apfstests/tests/generic/413
T
Darrick J. Wong a860a167d8 common: kill _supported_os
fstests only supports Linux, so get rid of this unnecessary predicate.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2020-09-21 01:16:50 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Red Hat Inc. All Rights Reserved.
#
# FS QA Test 413
#
# mmap direct/buffered io between DAX and non-DAX mountpoints.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15
_cleanup()
{
cd /
rm -f $tmp.*
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
# remove previous $seqres.full before test
rm -f $seqres.full
_supported_fs generic
_require_test
_require_scratch_dax_mountopt "dax"
_require_test_program "feature"
_require_test_program "t_mmap_dio"
_require_xfs_io_command "falloc"
prep_files()
{
rm -f $SCRATCH_MNT/tf_{s,d}
rm -f $TEST_DIR/tf_{s,d}
$XFS_IO_PROG -f -c "falloc 0 $tsize" \
$SCRATCH_MNT/tf_{s,d} >> $seqres.full 2>&1
$XFS_IO_PROG -f -c "falloc 0 $tsize" \
$TEST_DIR/tf_{s,d} >> $seqres.full 2>&1
}
t_both_dax()
{
prep_files
# with O_DIRECT first
$here/src/t_mmap_dio $SCRATCH_MNT/tf_{s,d} $1 "dio both dax"
prep_files
# again with buffered IO
$here/src/t_mmap_dio -b $SCRATCH_MNT/tf_{s,d} \
$1 "buffered both dax"
}
t_nondax_to_dax()
{
prep_files
$here/src/t_mmap_dio $TEST_DIR/tf_s \
$SCRATCH_MNT/tf_d $1 "dio nondax to dax"
prep_files
$here/src/t_mmap_dio -b $TEST_DIR/tf_s \
$SCRATCH_MNT/tf_d $1 "buffered nondax to dax"
}
t_dax_to_nondax()
{
prep_files
$here/src/t_mmap_dio $SCRATCH_MNT/tf_s \
$TEST_DIR/tf_d $1 "dio dax to nondax"
prep_files
$here/src/t_mmap_dio -b $SCRATCH_MNT/tf_s \
$TEST_DIR/tf_d $1 "buffered dax to nondax"
}
t_both_nondax()
{
prep_files
$here/src/t_mmap_dio $TEST_DIR/tf_{s,d} $1 "dio both nondax"
prep_files
$here/src/t_mmap_dio -b $TEST_DIR/tf_{s,d} \
$1 "buffered both nondax"
}
# $1 mmap read/write size
t_mmap_dio_dax()
{
t_both_dax $1
t_dax_to_nondax $1
t_nondax_to_dax $1
t_both_nondax $1
}
do_tests()
{
# less than page size
t_mmap_dio_dax 1024
# page size
t_mmap_dio_dax `$here/src/feature -s`
# bigger sizes, for PMD faults
t_mmap_dio_dax $((16 * 1024 * 1024))
t_mmap_dio_dax $((64 * 1024 * 1024))
}
# make fs aligned for PMD fault testing
_scratch_mkfs_geom $(_get_hugepagesize) 1 >> $seqres.full 2>&1
# mount SCRATCH_DEV with dax option, TEST_DEV not
export MOUNT_OPTIONS=""
export TEST_FS_MOUNT_OPTS=""
_test_cycle_mount
_fs_options $TEST_DEV | grep -qw "dax" && \
_notrun "we need $TEST_DEV mount without dax"
_scratch_mount "-o dax"
tsize=$((128 * 1024 * 1024))
do_tests
# success, all done
echo "Silence is golden"
status=0
exit