mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Xiong Zhou
f438604bd9
Mount TEST_DEV as non-DAX, SCRATCH_DEV as DAX, then do some IO between them. In this case we use mmap and dio/buffered IO read/write test programme. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Xiong Zhou <xzhou@redhat.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
154 lines
3.3 KiB
Bash
Executable File
154 lines
3.3 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test 413
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#
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# mmap direct/buffered io between DAX and non-DAX mountpoints.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2017 Red Hat Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# remove previous $seqres.full before test
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rm -f $seqres.full
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_supported_fs generic
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_supported_os Linux
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_require_test
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_require_scratch_dax
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_require_test_program "feature"
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_require_test_program "t_mmap_dio"
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_require_xfs_io_command "falloc"
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prep_files()
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{
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rm -f $SCRATCH_MNT/tf_{s,d}
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rm -f $TEST_DIR/tf_{s,d}
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$XFS_IO_PROG -f -c "falloc 0 $tsize" \
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$SCRATCH_MNT/tf_{s,d} >> $seqres.full 2>&1
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$XFS_IO_PROG -f -c "falloc 0 $tsize" \
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$TEST_DIR/tf_{s,d} >> $seqres.full 2>&1
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}
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t_both_dax()
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{
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prep_files
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# with O_DIRECT first
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src/t_mmap_dio $SCRATCH_MNT/tf_{s,d} $1 "dio both dax"
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prep_files
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# again with buffered IO
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src/t_mmap_dio -b $SCRATCH_MNT/tf_{s,d} \
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$1 "buffered both dax"
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}
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t_nondax_to_dax()
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{
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prep_files
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src/t_mmap_dio $TEST_DIR/tf_s \
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$SCRATCH_MNT/tf_d $1 "dio nondax to dax"
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prep_files
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src/t_mmap_dio -b $TEST_DIR/tf_s \
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$SCRATCH_MNT/tf_d $1 "buffered nondax to dax"
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}
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t_dax_to_nondax()
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{
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prep_files
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src/t_mmap_dio $SCRATCH_MNT/tf_s \
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$TEST_DIR/tf_d $1 "dio dax to nondax"
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prep_files
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src/t_mmap_dio -b $SCRATCH_MNT/tf_s \
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$TEST_DIR/tf_d $1 "buffered dax to nondax"
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}
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t_both_nondax()
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{
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prep_files
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src/t_mmap_dio $TEST_DIR/tf_{s,d} $1 "dio both nondax"
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prep_files
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src/t_mmap_dio -b $TEST_DIR/tf_{s,d} \
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$1 "buffered both nondax"
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}
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# $1 mmap read/write size
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t_mmap_dio_dax()
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{
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t_both_dax $1
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t_dax_to_nondax $1
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t_nondax_to_dax $1
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t_both_nondax $1
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}
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do_tests()
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{
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# less than page size
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t_mmap_dio_dax 1024
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# page size
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t_mmap_dio_dax `src/feature -s`
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# bigger sizes, for PMD faults
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t_mmap_dio_dax $((16 * 1024 * 1024))
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t_mmap_dio_dax $((64 * 1024 * 1024))
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}
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# make fs 2Mb aligned for PMD fault testing
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mkfs_opts=""
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if [ "$FSTYP" == "ext4" ]; then
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mkfs_opts="-E stride=512,stripe_width=1"
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elif [ "$FSTYP" == "xfs" ]; then
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mkfs_opts="-d su=2m,sw=1"
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fi
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_scratch_mkfs "$mkfs_opts" > /dev/null 2>&1
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# mount SCRATCH_DEV with dax option, TEST_DEV not
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export MOUNT_OPTIONS=""
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export TEST_FS_MOUNT_OPTS=""
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_test_cycle_mount
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_fs_options $TEST_DEV | grep -qw "dax" && \
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_notrun "we need $TEST_DEV mount without dax"
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_scratch_mount "-o dax"
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tsize=$((128 * 1024 * 1024))
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do_tests
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# success, all done
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echo "Silence is golden"
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status=0
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exit
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