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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>
74 lines
1.8 KiB
Bash
Executable File
74 lines
1.8 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2015 Fujitsu. All Rights Reserved.
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#
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# FS QA Test 099
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#
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# Check for qgroup reserved space leaks caused by re-writing dirty ranges
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# This bug has been present in btrfs qgroup for a long time
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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 $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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_require_btrfs_qgroup_report
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# Use big blocksize to ensure there is still enough space left for metadata
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# space reserve.
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BLOCKSIZE=$(( 2 * 1024 * 1024 )) # 2M block size
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FILESIZE=$(( 128 * 1024 * 1024 )) # 128M file size
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rm -f $seqres.full
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_scratch_mkfs >> $seqres.full 2>&1
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_scratch_mount
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_require_fs_space $SCRATCH_MNT $(($FILESIZE * 2 / 1024))
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_run_btrfs_util_prog quota enable $SCRATCH_MNT
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_run_btrfs_util_prog qgroup limit $FILESIZE 5 $SCRATCH_MNT
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# loop 5 times without sync to ensure reserved space leak will happen
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for i in `seq 1 5`; do
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# Use 1/4 of the file size, to ensure even commit is trigger by
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# dirty page threshold or commit interval, we should still be
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# able to continue write
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$XFS_IO_PROG -f -c "pwrite -b $BLOCKSIZE 0 $(($FILESIZE / 4))" \
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$SCRATCH_MNT/foo | _filter_xfs_io
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done
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# Sync to make sure all the dirty pages are written to disk, which should
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# free all the reserved space
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sync
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# remove the file and sync, to ensure all quota space freed
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rm $SCRATCH_MNT/foo
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sync
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# We should be able to write $FILESIZE - $BLOCKSIZE data now
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$XFS_IO_PROG -f -c "pwrite -b $BLOCKSIZE 0 $(($FILESIZE - $BLOCKSIZE))" \
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$SCRATCH_MNT/foo | _filter_xfs_io
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# success, all done
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status=0
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exit
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