diff mbox series

[v9,8/8] generic: Verify how to change the S_DAX flag on an existing file

Message ID 20200806021342.10596-9-yangx.jy@cn.fujitsu.com (mailing list archive)
State New, archived
Headers show
Series Make fstests support new behavior of DAX | expand

Commit Message

Xiao Yang Aug. 6, 2020, 2:13 a.m. UTC
Change FS_XFLAG_DAX on an existing file and check if S_DAX on the
file can take effect immediately by the following steps:
1) Stop all applications which are using the file.
2) Do drop_caches or umount & mount cycle.

Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 tests/generic/608     | 121 ++++++++++++++++++++++++++++++++++++++++++
 tests/generic/608.out |   2 +
 tests/generic/group   |   1 +
 3 files changed, 124 insertions(+)
 create mode 100644 tests/generic/608
 create mode 100644 tests/generic/608.out

Comments

Xiao Yang Aug. 7, 2020, 1:45 a.m. UTC | #1
On 2020/8/6 10:13, Xiao Yang wrote:
> Change FS_XFLAG_DAX on an existing file and check if S_DAX on the
> file can take effect immediately by the following steps:
> 1) Stop all applications which are using the file.
> 2) Do drop_caches or umount & mount cycle.
>
> Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Hi,

Add Reviewed-by: Ira Weiny <ira.weiny@intel.com>

Thanks,
Xiao Yang
> ---
>  tests/generic/608     | 121 ++++++++++++++++++++++++++++++++++++++++++
>  tests/generic/608.out |   2 +
>  tests/generic/group   |   1 +
>  3 files changed, 124 insertions(+)
>  create mode 100644 tests/generic/608
>  create mode 100644 tests/generic/608.out
>
> diff --git a/tests/generic/608 b/tests/generic/608
> new file mode 100644
> index 00000000..a06fc016
> --- /dev/null
> +++ b/tests/generic/608
> @@ -0,0 +1,121 @@
> +#! /bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright (c) 2020 Fujitsu.  All Rights Reserved.
> +#
> +# FS QA Test 608
> +# Change FS_XFLAG_DAX on an existing file and check if S_DAX on
> +# the file can take effect immediately by the following steps:
> +# 1) Stop all applications which are using the file.
> +# 2) Do drop_caches or umount & mount cycle.
> +
> +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 $seqres.full
> +
> +_supported_fs generic
> +_supported_os Linux
> +_require_scratch_dax_mountopt "dax=always"
> +_require_dax_iflag
> +_require_xfs_io_command "lsattr" "-v"
> +_require_xfs_io_command "statx" "-r"
> +
> +test_drop_caches()
> +{
> +	local t_file=$SCRATCH_MNT/testfile
> +
> +	rm -f $t_file
> +	touch $t_file
> +	_check_xflag $t_file 0
> +	_check_s_dax $t_file 0
> +
> +	exec 3< $t_file
> +
> +	$XFS_IO_PROG -c 'chattr +x' $t_file
> +	_check_xflag $t_file 1
> +	_check_s_dax $t_file 0
> +
> +	# One application is using test file and check if S_DAX on
> +	# the file doesn't take effect immediately by drop_caches
> +	echo 2 > /proc/sys/vm/drop_caches
> +	_check_s_dax $t_file 0
> +
> +	exec 3<&-
> +
> +	# No application is using test file and check if S_DAX on
> +	# the file takes effect immediately by drop_caches
> +	echo 2 > /proc/sys/vm/drop_caches
> +	_check_s_dax $t_file 1
> +}
> +
> +test_cycle_mount()
> +{
> +	local option=$1
> +	local t_dir=$SCRATCH_MNT/testdir
> +	local t_file=$t_dir/testfile
> +
> +	mkdir -p $t_dir
> +	$XFS_IO_PROG -c 'chattr +x' $t_dir
> +	rm -f $t_file
> +	touch $t_file
> +	_check_xflag $t_file 1
> +	_check_s_dax $t_file 1
> +
> +	exec 3< $t_file
> +
> +	$XFS_IO_PROG -c 'chattr -x' $t_file
> +	_check_xflag $t_file 0
> +	_check_s_dax $t_file 1
> +
> +	exec 3<&-
> +
> +	# No application is using test file and check if S_DAX on
> +	# the file takes effect immediately by umount & mount
> +	_scratch_cycle_mount "$option"
> +	_check_s_dax $t_file 0
> +}
> +
> +do_tests()
> +{
> +	local mount_option=$1
> +	local cycle_mount_option=$2
> +
> +	_scratch_mount "$mount_option"
> +
> +	test_drop_caches
> +
> +	test_cycle_mount "$cycle_mount_option"
> +
> +	_scratch_unmount
> +}
> +
> +_scratch_mkfs >> $seqres.full 2>&1
> +
> +# Mount with dax option
> +do_tests "-o dax=inode" "dax=inode"
> +
> +# Mount without dax option
> +export MOUNT_OPTIONS=""
> +do_tests
> +
> +# success, all done
> +echo "Silence is golden"
> +status=0
> +exit
> diff --git a/tests/generic/608.out b/tests/generic/608.out
> new file mode 100644
> index 00000000..1e534458
> --- /dev/null
> +++ b/tests/generic/608.out
> @@ -0,0 +1,2 @@
> +QA output created by 608
> +Silence is golden
> diff --git a/tests/generic/group b/tests/generic/group
> index 5bd289c3..aa969bcb 100644
> --- a/tests/generic/group
> +++ b/tests/generic/group
> @@ -610,3 +610,4 @@
>  605 auto attr quick dax
>  606 auto attr quick dax
>  607 auto attr quick dax
> +608 auto attr quick dax
diff mbox series

Patch

diff --git a/tests/generic/608 b/tests/generic/608
new file mode 100644
index 00000000..a06fc016
--- /dev/null
+++ b/tests/generic/608
@@ -0,0 +1,121 @@ 
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2020 Fujitsu.  All Rights Reserved.
+#
+# FS QA Test 608
+# Change FS_XFLAG_DAX on an existing file and check if S_DAX on
+# the file can take effect immediately by the following steps:
+# 1) Stop all applications which are using the file.
+# 2) Do drop_caches or umount & mount cycle.
+
+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 $seqres.full
+
+_supported_fs generic
+_supported_os Linux
+_require_scratch_dax_mountopt "dax=always"
+_require_dax_iflag
+_require_xfs_io_command "lsattr" "-v"
+_require_xfs_io_command "statx" "-r"
+
+test_drop_caches()
+{
+	local t_file=$SCRATCH_MNT/testfile
+
+	rm -f $t_file
+	touch $t_file
+	_check_xflag $t_file 0
+	_check_s_dax $t_file 0
+
+	exec 3< $t_file
+
+	$XFS_IO_PROG -c 'chattr +x' $t_file
+	_check_xflag $t_file 1
+	_check_s_dax $t_file 0
+
+	# One application is using test file and check if S_DAX on
+	# the file doesn't take effect immediately by drop_caches
+	echo 2 > /proc/sys/vm/drop_caches
+	_check_s_dax $t_file 0
+
+	exec 3<&-
+
+	# No application is using test file and check if S_DAX on
+	# the file takes effect immediately by drop_caches
+	echo 2 > /proc/sys/vm/drop_caches
+	_check_s_dax $t_file 1
+}
+
+test_cycle_mount()
+{
+	local option=$1
+	local t_dir=$SCRATCH_MNT/testdir
+	local t_file=$t_dir/testfile
+
+	mkdir -p $t_dir
+	$XFS_IO_PROG -c 'chattr +x' $t_dir
+	rm -f $t_file
+	touch $t_file
+	_check_xflag $t_file 1
+	_check_s_dax $t_file 1
+
+	exec 3< $t_file
+
+	$XFS_IO_PROG -c 'chattr -x' $t_file
+	_check_xflag $t_file 0
+	_check_s_dax $t_file 1
+
+	exec 3<&-
+
+	# No application is using test file and check if S_DAX on
+	# the file takes effect immediately by umount & mount
+	_scratch_cycle_mount "$option"
+	_check_s_dax $t_file 0
+}
+
+do_tests()
+{
+	local mount_option=$1
+	local cycle_mount_option=$2
+
+	_scratch_mount "$mount_option"
+
+	test_drop_caches
+
+	test_cycle_mount "$cycle_mount_option"
+
+	_scratch_unmount
+}
+
+_scratch_mkfs >> $seqres.full 2>&1
+
+# Mount with dax option
+do_tests "-o dax=inode" "dax=inode"
+
+# Mount without dax option
+export MOUNT_OPTIONS=""
+do_tests
+
+# success, all done
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/generic/608.out b/tests/generic/608.out
new file mode 100644
index 00000000..1e534458
--- /dev/null
+++ b/tests/generic/608.out
@@ -0,0 +1,2 @@ 
+QA output created by 608
+Silence is golden
diff --git a/tests/generic/group b/tests/generic/group
index 5bd289c3..aa969bcb 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -610,3 +610,4 @@ 
 605 auto attr quick dax
 606 auto attr quick dax
 607 auto attr quick dax
+608 auto attr quick dax