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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
1d32301394
This test needs to check for working falloc command before using it. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
66 lines
1.6 KiB
Bash
Executable File
66 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) 2018 Oracle, Inc. All rights reserved.
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#
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# FS QA Test No. 450
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#
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# Make sure that the statfs b_avail counter doesn't change across remount
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# after the rmapbt has grown in size.
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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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_supported_os Linux
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_supported_fs xfs
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_require_xfs_io_command "falloc"
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_require_test_program "punch-alternating"
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_require_xfs_scratch_rmapbt
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_scratch_mkfs >> $seqres.full
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_scratch_mount
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# Make sure we allocate a big enough file such that punching out every other
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# block will cause the rmapbt to expand by at least one block.
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blksz=$(_get_file_block_size $SCRATCH_MNT)
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nr_rmap_per_rmapbt=$(( (blksz - 56) / 24))
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blks=$(( (nr_rmap_per_rmapbt + 2) * 2))
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$XFS_IO_PROG -f -c "falloc 0 $((blks * blksz))" $SCRATCH_MNT/a >> $seqres.full
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$here/src/punch-alternating $SCRATCH_MNT/a
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# Do the stat counters change across the remount?
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before=$(stat -f -c '%b %f' $SCRATCH_MNT)
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_scratch_cycle_mount
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after=$(stat -f -c '%b %f' $SCRATCH_MNT)
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if [ "${before}" != "${after}" ]; then
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echo "counters changed: ${before} ${after}"
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echo "before: ${before}" >> $seqres.full
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echo "after: ${after}" >> $seqres.full
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fi
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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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