new file mode 100644
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+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2020 Fujitsu. All Rights Reserved.
+#
+# FS QA Test 605
+#
+# Verify the inheritance behavior of FS_XFLAG_DAX flag in various combinations.
+# 1) New files and directories automatically inherit FS_XFLAG_DAX from their parent directory.
+# 2) cp operation make files and directories inherit the FS_XFLAG_DAX from new parent directory.
+# 3) mv operation make files and directories preserve the FS_XFLAG_DAX from old parent directory.
+# In addition, setting/clearing FS_XFLAG_DAX flag is not impacted by dax mount options.
+
+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_scratch
+_require_dax_iflag
+_require_xfs_io_command "lsattr" "-v"
+
+check_xflag()
+{
+ local target=$1
+ local exp_xflag=$2
+
+ if [ $exp_xflag -eq 0 ]; then
+ _test_inode_flag dax $target && echo "$target has unexpected FS_XFLAG_DAX flag"
+ else
+ _test_inode_flag dax $target || echo "$target doen't have expected FS_XFLAG_DAX flag"
+ fi
+}
+
+test_xflag_inheritance1()
+{
+ mkdir -p a
+ $XFS_IO_PROG -c "chattr +x" a
+ mkdir -p a/b/c
+ touch a/b/c/d
+
+ check_xflag a 1
+ check_xflag a/b 1
+ check_xflag a/b/c 1
+ check_xflag a/b/c/d 1
+
+ rm -rf a
+}
+
+test_xflag_inheritance2()
+{
+ mkdir -p a/b
+ $XFS_IO_PROG -c "chattr +x" a
+ mkdir -p a/b/c a/d
+ touch a/b/c/e a/d/f
+
+ check_xflag a 1
+ check_xflag a/b 0
+ check_xflag a/b/c 0
+ check_xflag a/b/c/e 0
+ check_xflag a/d 1
+ check_xflag a/d/f 1
+
+ rm -rf a
+}
+
+test_xflag_inheritance3()
+{
+ mkdir -p a/b
+ $XFS_IO_PROG -c "chattr +x" a/b
+ mkdir -p a/b/c a/d
+ touch a/b/c/e a/d/f
+
+ check_xflag a 0
+ check_xflag a/b 1
+ check_xflag a/b/c 1
+ check_xflag a/b/c/e 1
+ check_xflag a/d 0
+ check_xflag a/d/f 0
+
+ rm -rf a
+}
+
+test_xflag_inheritance4()
+{
+ mkdir -p a
+ $XFS_IO_PROG -c "chattr +x" a
+ mkdir -p a/b/c
+ $XFS_IO_PROG -c "chattr -x" a/b
+ mkdir -p a/b/c/d a/b/e
+ touch a/b/c/d/f a/b/e/g
+
+ check_xflag a 1
+ check_xflag a/b 0
+ check_xflag a/b/c 1
+ check_xflag a/b/c/d 1
+ check_xflag a/b/c/d/f 1
+ check_xflag a/b/e 0
+ check_xflag a/b/e/g 0
+
+ rm -rf a
+}
+
+test_xflag_inheritance5()
+{
+ mkdir -p a b
+ $XFS_IO_PROG -c "chattr +x" a
+ mkdir -p a/c a/d b/e b/f
+ touch a/g b/h
+
+ cp -r a/c b/
+ cp -r b/e a/
+ cp -r a/g b/
+ mv a/d b/
+ mv b/f a/
+ mv b/h a/
+
+ check_xflag b/c 0
+ check_xflag b/d 1
+ check_xflag a/e 1
+ check_xflag a/f 0
+ check_xflag b/g 0
+ check_xflag a/h 0
+
+ rm -rf a b
+}
+
+do_xflag_tests()
+{
+ local option=$1
+
+ _scratch_mount "$option"
+ cd $SCRATCH_MNT
+
+ for i in $(seq 1 5); do
+ test_xflag_inheritance${i}
+ done
+
+ cd - > /dev/null
+ _scratch_unmount
+}
+
+check_dax_mountopt()
+{
+ local option=$1
+ local ret=0
+
+ _try_scratch_mount "-o $option" >> $seqres.full 2>&1 || return 1
+
+ # Match option name exactly
+ _fs_options $SCRATCH_DEV | egrep -q "$option(,|$)" || ret=1
+
+ _scratch_unmount
+
+ return $ret
+}
+
+do_tests()
+{
+ # Mount without dax option
+ do_xflag_tests
+
+ # Mount with old dax option if fs only supports it.
+ check_dax_mountopt "dax" && do_xflag_tests "-o dax"
+
+ # Mount with new dax options if fs supports them.
+ if check_dax_mountopt "dax=always"; then
+ for dax_option in "dax=always" "dax=inode" "dax=never"; do
+ do_xflag_tests "-o $dax_option"
+ done
+ fi
+}
+
+_scratch_mkfs >> $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 605
+Silence is golden
@@ -607,3 +607,4 @@
602 auto quick encrypt
603 auto attr quick dax
604 auto attr quick dax
+605 auto attr quick dax
Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com> --- V1->V5: Run test with more mount options(i.e. without dax option and with old dax option). tests/generic/605 | 199 ++++++++++++++++++++++++++++++++++++++++++ tests/generic/605.out | 2 + tests/generic/group | 1 + 3 files changed, 202 insertions(+) create mode 100644 tests/generic/605 create mode 100644 tests/generic/605.out