Given recent kernel changes broke the device-mapper use case, introduce a basic unit test to prevent this from regressing in the future.
Signed-off-by: Dan Williams <[email protected]> --- test/Makefile.am | 1 + test/dm.sh | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 76 insertions(+) create mode 100755 test/dm.sh diff --git a/test/Makefile.am b/test/Makefile.am index 874c4bbfaa90..2a1e03d26f6c 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -49,6 +49,7 @@ TESTS +=\ dax.sh \ device-dax \ device-dax-fio.sh \ + dm.sh \ mmap.sh if ENABLE_KEYUTILS diff --git a/test/dm.sh b/test/dm.sh new file mode 100755 index 000000000000..fb498c95a29b --- /dev/null +++ b/test/dm.sh @@ -0,0 +1,75 @@ +#!/bin/bash -x +# SPDX-License-Identifier: GPL-2.0 +# Copyright(c) 2015-2019 Intel Corporation. All rights reserved. + +set -e + +SKIP=77 +FAIL=1 +SUCCESS=0 + +. ./common + +MNT=test_dax_mnt +TEST_DM_PMEM=/dev/mapper/test_pmem +NAME=$(basename $TEST_DM_PMEM) + +mkdir -p $MNT + +TEST_SIZE=$((1<<30)) + +rc=$FAIL +cleanup() { + if [ $rc -ne $SUCCESS ]; then + echo "test/dm.sh: failed at line $1" + fi + if mountpoint -q $MNT; then + umount $MNT + fi + + if [ -L $TEST_DM_PMEM ]; then + dmsetup remove $TEST_DM_PMEM + fi + rmdir $MNT + # opportunistic cleanup, not fatal if these fail + namespaces=$($NDCTL list -N | jq -r ".[] | select(.name==\"$NAME\") | .dev") + for i in $namespaces + do + if ! $NDCTL destroy-namespace -f $i; then + echo "test/sub-section.sh: cleanup() failed to destroy $i" + fi + done + exit $rc +} + +trap 'err $LINENO cleanup' ERR + +dev="x" +json=$($NDCTL create-namespace -b ACPI.NFIT -s $TEST_SIZE -t pmem -m fsdax -n "$NAME") +eval $(echo $json | json2var ) +[ $dev = "x" ] && echo "fail: $LINENO" && exit 1 +[ $mode != "fsdax" ] && echo "fail: $LINENO" && exit 1 + +pmem0=/dev/$blockdev +size0=$((size/512)) + +json=$($NDCTL create-namespace -b ACPI.NFIT -s $TEST_SIZE -t pmem -m fsdax -n "$NAME") +eval $(echo $json | json2var ) +[ $dev = "x" ] && echo "fail: $LINENO" && exit 1 +[ $mode != "fsdax" ] && echo "fail: $LINENO" && exit 1 + +pmem1=/dev/$blockdev +size1=$((size/512)) + +cat <<EOF | +0 $size0 linear $pmem0 0 +$size0 $size1 linear $pmem1 0 +EOF +dmsetup create $(basename $NAME) + +mkfs.ext4 -b 4096 $TEST_DM_PMEM +mount -o dax $TEST_DM_PMEM $MNT +umount $MNT + +rc=$SUCCESS +cleanup $LINENO _______________________________________________ Linux-nvdimm mailing list [email protected] https://lists.01.org/mailman/listinfo/linux-nvdimm
