mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Zorro Lang
426518fa2e
xfstests doesn't cover FIBMAP test, it cause we brought in a regression bug fixed by "79b3dbe4adb3 fs: fix iomap_bmap position calculation". Although FIBMAP is old, there're still some programs use it, likes LILO. This case tests if there's physical address overlap returned by FIBMAP. Signed-off-by: Zorro Lang <zlang@redhat.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
105 lines
2.5 KiB
Bash
Executable File
105 lines
2.5 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2018 Red Hat Inc. All Rights Reserved.
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#
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# FS QA Test No. 519
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#
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# Verify if there's physical address overlap returned by FIBMAP, cover:
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# 79b3dbe4adb3 fs: fix iomap_bmap position calculation
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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 $seqres.full
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_require_scratch
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_require_command "$FILEFRAG_PROG" filefrag
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_require_fibmap
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testfile="$SCRATCH_MNT/$seq-testfile"
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# Use filefrag -B option to force the use of the older FIBMAP ioctl instead of
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# the FIEMAP ioctl. Then verify if there's map overlap.
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verify_filefrag()
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{
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local n=1
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# record details in .full file
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${FILEFRAG_PROG} -Bes -v $testfile >> $seqres.full
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# Due to physical things can't be golden image, so only output logical
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# information at here
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${FILEFRAG_PROG} -Be $testfile | _filter_filefrag | \
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cut -d# -f1-2 > $tmp.filefrag
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# Verify there's not physical address overlay
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for i in `cat $tmp.filefrag`; do
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# Get the start(v1) and end(v2) addresses will be verified
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v1=`sed -n "${n}p" $tmp.filefrag | cut -d# -f1`
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v2=`sed -n "${n}p" $tmp.filefrag | cut -d# -f2`
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# The 2nd value is length, so the real end is:
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v2=$((v1 + v2))
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# Remove the line need to be verified ($i), compare with other
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# lines one by one
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sed -e "${n}d" $tmp.filefrag > $tmp.filefrag.tmp
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for j in `cat $tmp.filefrag.tmp`; do
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# Get 'next' line start(e1) and end(e2) addresses
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e1=`echo $j | cut -d# -f1`
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e2=`echo $j | cut -d# -f2`
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# The 2nd value is length, so the real end is:
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e2=$((e1 + e2))
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# Verify there's not:
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# [ e1 ... e2 ]
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# [ v1 ... v2 ]
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# Or:
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# [ e1 ... e2 ]
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# [ v1 ... v2 ]
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if ! [ ${v1} -ge ${e2} -o ${v2} -le ${e1} ]; then
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echo "find physical addr overlap [$i] vs [$j]"
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fi
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done
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((n++))
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done
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}
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_scratch_mkfs > $seqres.full 2>&1
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_scratch_mount
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# Test
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echo "== FIBMAP on empty file =="
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$XFS_IO_PROG -f -c "truncate 0" $testfile > /dev/null
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verify_filefrag
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echo "== FIBMAP on sparse file =="
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$XFS_IO_PROG -f -t -c "pwrite -S 0xaa 0 1m" \
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-c "pwrite -S 0xaa 2m 1m" \
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-c "pwrite -S 0xaa 4m 1m" \
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$testfile > /dev/null
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verify_filefrag
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# success, all done
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status=0
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exit
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