new file mode 100755
@@ -0,0 +1,119 @@
+#! /bin/bash
+# FS QA Test 405
+#
+# 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"
+
+# $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 16777216
+ t_mmap_dio_dax 67108864
+}
+
+_scratch_mkfs > /dev/null 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 $TEST_DEV mount without dax"
+_scratch_mount "-o dax"
+
+psize=`src/feature -s`
+tsize=$((1024 * 1024 * 1024))
+
+$XFS_IO_PROG -f -c "pwrite -W -b $psize 0 $tsize" \
+ $SCRATCH_MNT/tf_s >> $seqres.full 2>&1
+$XFS_IO_PROG -f -c "pwrite -W -b $psize 0 $tsize" \
+ $SCRATCH_MNT/tf_d >> $seqres.full 2>&1
+$XFS_IO_PROG -f -c "pwrite -W -b $psize 0 $tsize" \
+ $TEST_DIR/tf_s >> $seqres.full 2>&1
+$XFS_IO_PROG -f -c "pwrite -W -b $psize 0 $tsize" \
+ $TEST_DIR/tf_d >> $seqres.full 2>&1
+
+do_tests
+
+# success, all done
+echo "Silence is golden"
+status=0
+exit
new file mode 100644
@@ -0,0 +1,2 @@
+QA output created by 405
+Silence is golden
@@ -407,3 +407,4 @@
402 auto quick rw
403 auto quick attr
404 auto quick insert
+405 auto quick
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: Xiong Zhou <xzhou@redhat.com> --- tests/generic/405 | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/405.out | 2 + tests/generic/group | 1 + 3 files changed, 122 insertions(+) create mode 100755 tests/generic/405 create mode 100644 tests/generic/405.out