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@xxxxxxxxxxxxxxx>
Signed-off-by: Xiong Zhou <xzhou@xxxxxxxxxx>
---
tests/generic/407 | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++
tests/generic/407.out | 2 +
tests/generic/group | 1 +
3 files changed, 128 insertions(+)
create mode 100755 tests/generic/407
create mode 100644 tests/generic/407.out
diff --git a/tests/generic/407 b/tests/generic/407
new file mode 100755
index 0000000..6a457e4
--- /dev/null
+++ b/tests/generic/407
@@ -0,0 +1,125 @@
+#! /bin/bash
+# FS QA Test 407
+#
+# mmap direct/buffered io between DAX and non-DAX mountpoints.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2017 Red Hat Inc. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+#
+
+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
+_supported_os Linux
+_require_test
+_require_scratch_dax
+_require_test_program "feature"
+_require_test_program "t_mmap_dio"
+_require_xfs_io_command "falloc"
+
+# $1 mmap read/write size
+t_mmap_dio_dax()
+{
+ # both dax
+ # with O_DIRECT first
+ src/t_mmap_dio $SCRATCH_MNT/tf_{s,d} $1 "dio both dax"
+ # again with buffered IO
+ src/t_mmap_dio -b $SCRATCH_MNT/tf_{s,d} \
+ $1 "buffered both dax"
+
+ # from non dax to dax
+ src/t_mmap_dio $TEST_DIR/tf_s \
+ $SCRATCH_MNT/tf_d $1 "dio nondax to dax"
+ src/t_mmap_dio -b $TEST_DIR/tf_s \
+ $SCRATCH_MNT/tf_d $1 "buffered nondax to dax"
+
+ # from dax to non dax
+ src/t_mmap_dio $SCRATCH_MNT/tf_s \
+ $TEST_DIR/tf_d $1 "dio dax to nondax"
+ src/t_mmap_dio -b $SCRATCH_MNT/tf_s \
+ $TEST_DIR/tf_d $1 "buffered dax to nondax"
+
+ # both non dax
+ src/t_mmap_dio $TEST_DIR/tf_{s,d} $1 "dio both nondax"
+ src/t_mmap_dio -b $TEST_DIR/tf_{s,d} \
+ $1 "buffered both nondax"
+}
+
+do_tests()
+{
+ # less than page size
+ t_mmap_dio_dax 1024
+ # page size
+ t_mmap_dio_dax `src/feature -s`
+ # bigger sizes, for PMD faults
+ t_mmap_dio_dax $((16 * 1024 * 1024))
+ t_mmap_dio_dax $((64 * 1024 * 1024))
+}
+
+# make fs 2Mb aligned for PMD fault testing
+if [[ $FSTYP =~ ext ]] ; then
+ _scratch_mkfs "-E stride=512,stripe_width=1" \
+ > /dev/null 2>&1
+elif [[ $FSTYP =~ xfs ]] ; then
+ _scratch_mkfs "-d su=2m,sw=1" > /dev/null 2>&1
+fi
+
+# 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 $TEST_DEV mount without dax"
+_scratch_mount "-o dax"
+
+tsize=$((64 * 1024 * 1024))
+
+$XFS_IO_PROG -f -c "falloc 0 $tsize" \
+ $SCRATCH_MNT/tf_s >> $seqres.full 2>&1
+$XFS_IO_PROG -f -c "falloc 0 $tsize" \
+ $SCRATCH_MNT/tf_d >> $seqres.full 2>&1
+$XFS_IO_PROG -f -c "falloc 0 $tsize" \
+ $TEST_DIR/tf_s >> $seqres.full 2>&1
+$XFS_IO_PROG -f -c "falloc 0 $tsize" \
+ $TEST_DIR/tf_d >> $seqres.full 2>&1
+
+do_tests
+
+# success, all done
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/generic/407.out b/tests/generic/407.out
new file mode 100644
index 0000000..d05a416
--- /dev/null
+++ b/tests/generic/407.out
@@ -0,0 +1,2 @@
+QA output created by 407
+Silence is golden
diff --git a/tests/generic/group b/tests/generic/group
index 159d691..027a238 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -409,3 +409,4 @@
404 auto quick insert
405 auto mkfs
406 auto quick dangerous
+407 auto quick
--
1.8.3.1
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