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https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
a860a167d8
fstests only supports Linux, so get rid of this unnecessary predicate. 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>
69 lines
1.6 KiB
Bash
Executable File
69 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. 515
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#
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# Ensure that reflinking into a file well beyond EOF zeroes everything between
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# the old EOF and the start of the newly linked chunk. This is an adaptation
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# of a reproducer script that Eric Sandeen formulated from a stale data
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# exposure bug uncovered by shared/010.
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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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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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. ./common/reflink
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# real QA test starts here
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_supported_fs generic
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_require_scratch_reflink
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_require_xfs_io_command "falloc"
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rm -f $seqres.full
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# Fill disk with a well known pattern so that stale data exposure becomes much
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# more obvious.
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$XFS_IO_PROG -c "pwrite -S 0x58 -b 1m 0 300m" $SCRATCH_DEV >> $seqres.full
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_scratch_mkfs_sized $((300 * 1048576)) >>$seqres.full 2>&1
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_scratch_mount
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DONOR1=$SCRATCH_MNT/a
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TARGET=$SCRATCH_MNT/b
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blksz=65536
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$XFS_IO_PROG -f -c "pwrite -S 0x72 0 $blksz" $DONOR1 >> $seqres.full
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$XFS_IO_PROG -f \
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-c "falloc -k $((blksz*2)) $blksz" \
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-c "pwrite -S 0x57 $((blksz*16)) 8192" \
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-c "fdatasync" \
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-c 'stat' \
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-c "reflink $DONOR1 0 $((blksz*17)) $blksz" \
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$TARGET >> $seqres.full
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od -tx1 -Ad -c $TARGET >> $seqres.full
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md5sum $DONOR1 | _filter_scratch
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md5sum $TARGET | _filter_scratch
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_scratch_cycle_mount
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od -tx1 -Ad -c $TARGET >> $seqres.full
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md5sum $DONOR1 | _filter_scratch
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md5sum $TARGET | _filter_scratch
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status=0
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exit
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