mirror of
https://github.com/linux-apfs/apfstests.git
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Dave Chinner
cf89aed924
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
73 lines
1.6 KiB
Bash
Executable File
73 lines
1.6 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2017 Red hat, Inc. All Rights Reserved.
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#
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# FS QA Test 403
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#
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# Test racing getxattr requests against large xattr add and remove loop. This
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# reproduces a bug on XFS where a getxattr of an existing attribute spuriously
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# returned failure due to races with attribute fork conversion.
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#
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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/attr
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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_require_attrs
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_scratch_mkfs > $seqres.full 2>&1 || _fail "mkfs"
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_scratch_mount
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# create xattr small enough for local format on XFS
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touch $SCRATCH_MNT/file
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$SETFATTR_PROG -n trusted.small -v a $SCRATCH_MNT/file
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# start a background getxattr loop for the existing xattr
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runfile="$tmp.getfattr"
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touch $runfile
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while [ -e $runfile ]; do
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$GETFATTR_PROG --absolute-names -n trusted.small $SCRATCH_MNT/file \
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> /dev/null || break
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done &
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getfattr_pid=$!
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# while the above is spinning, add and remove a large attribute to cause back
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# and forth inode attribute fork conversion
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largeval=`for i in $(seq 0 511); do echo -n a; done`
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for i in $(seq 0 99); do
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$SETFATTR_PROG -n trusted.big -v $largeval $SCRATCH_MNT/file
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$SETFATTR_PROG -x trusted.big $SCRATCH_MNT/file
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done
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rm -f $runfile
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wait > /dev/null 2>&1
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echo Silence is golden
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# success, all done
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status=0
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exit
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