mirror of
https://github.com/linux-apfs/apfstests.git
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Dave Chinner
1ff4192932
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
70 lines
1.6 KiB
Bash
Executable File
70 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) 2016 Fujitsu. All Rights Reserved.
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#
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# FS QA Test 123
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#
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# Test if btrfs leaks qgroup numbers for data extents
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#
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# Due to balance code is doing trick tree block swap, which doing
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# non-standard extent reference update, qgroup can't handle it correctly,
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# and leads to corrupted qgroup numbers.
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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/filter
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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 btrfs
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_supported_os Linux
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_require_scratch
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_require_btrfs_qgroup_report
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_scratch_mkfs >/dev/null
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# Need to use inline extents to fill metadata rapidly
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_scratch_mount "-o max_inline=2048"
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# create 64K inlined metadata, which will ensure there is a 2-level
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# metadata. Even for maximum nodesize(64K)
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for i in $(seq 32); do
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_pwrite_byte 0xcdcdcdcd 0 2k $SCRATCH_MNT/small_$i | _filter_xfs_io
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done
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# then a large data write to make the quota corruption obvious enough
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_pwrite_byte 0xcdcdcdcd 0 32m $SCRATCH_MNT/large | _filter_xfs_io
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sync
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# enable quota and rescan to get correct number
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_run_btrfs_util_prog quota enable $SCRATCH_MNT
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_run_btrfs_util_prog quota rescan -w $SCRATCH_MNT
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# now balance data block groups to corrupt qgroup
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_run_btrfs_util_prog balance start -d $SCRATCH_MNT
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_scratch_unmount
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# qgroup will be check at _check_scratch_fs() by fstest
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# success, all done
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status=0
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exit
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