mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Xiao Yang
72ba8811b0
Since commit 77573fa310d9, toggling FS_XFLAG_DAX on an existing file can make S_DAX on the file change immediately when all applications close the file. As a result, we don't need the redundant drop cache and umount & mount cycle. Signed-off-by: Xiaoli Feng <xifeng@redhat.com> Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
119 lines
2.3 KiB
Bash
Executable File
119 lines
2.3 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2020 Fujitsu. All Rights Reserved.
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#
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# FS QA Test 608
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# Toggling FS_XFLAG_DAX on an existing file can make S_DAX on the
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# file change immediately when all applications close the file.
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# It's a regression test for:
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# 'commit 77573fa310d9 ("fs: Kill DCACHE_DONTCACHE dentry even if DCACHE_REFERENCED is set")'
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# remove previous $seqres.full before test
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rm -f $seqres.full
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_supported_fs generic
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_require_scratch_dax_mountopt "dax=always"
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_require_dax_iflag
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_require_xfs_io_command "lsattr" "-v"
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_require_xfs_io_command "statx" "-r"
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test_enable_dax()
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{
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local t_file=$SCRATCH_MNT/testfile
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rm -f $t_file
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touch $t_file
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_check_xflag $t_file 0
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_check_s_dax $t_file 0
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exec 3< $t_file
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$XFS_IO_PROG -c 'chattr +x' $t_file
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_check_xflag $t_file 1
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# One application is using test file and S_DAX
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# on the file is not changed immediately
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_check_s_dax $t_file 0
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exec 3<&-
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# No application is using test file and S_DAX
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# on the file is changed immediately
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_check_s_dax $t_file 1
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}
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test_disable_dax()
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{
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local t_dir=$SCRATCH_MNT/testdir
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local t_file=$t_dir/testfile
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mkdir -p $t_dir
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$XFS_IO_PROG -c 'chattr +x' $t_dir
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rm -f $t_file
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touch $t_file
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_check_xflag $t_file 1
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_check_s_dax $t_file 1
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exec 3< $t_file
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$XFS_IO_PROG -c 'chattr -x' $t_file
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_check_xflag $t_file 0
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# One application is using test file and S_DAX
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# on the file is not changed immediately
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_check_s_dax $t_file 1
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exec 3<&-
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# No application is using test file and S_DAX
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# on the file is changed immediately
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_check_s_dax $t_file 0
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}
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do_tests()
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{
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local mount_option=$1
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_scratch_mount "$mount_option"
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# Make sure the root dir doesn't have FS_XFLAG_DAX set before we start.
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$XFS_IO_PROG -c "chattr -x" $SCRATCH_MNT &>> $seqres.full
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# Do test for commit 77573fa310d9
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test_enable_dax
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test_disable_dax
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_scratch_unmount
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}
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_scratch_mkfs >> $seqres.full 2>&1
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# Mount with dax option
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do_tests "-o dax=inode"
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# Mount without dax option
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export MOUNT_OPTIONS=""
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do_tests
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# success, all done
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echo "Silence is golden"
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status=0
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exit
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