mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
88 lines
2.4 KiB
Bash
88 lines
2.4 KiB
Bash
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#! /bin/bash
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# FS QA Test 020
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#
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# Test partial blocksize defrag integrity issue.
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#
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# Calling EXT4_IOC_MOVE_EXTENT on file not aligned with block size and block
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# size is smaller than page size would cause integrity issue on the
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# partial-blocksize part when copying data between orign file and donor file.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Red Hat Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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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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. ./common/defrag
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs ext4
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_supported_os Linux
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_require_scratch
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_require_defrag
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e4compact=$here/src/e4compact
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_require_test_program "e4compact"
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testfile=$SCRATCH_MNT/$seq.orig
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donorfile=$SCRATCH_MNT/$seq.donor
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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# reserve space for donor file, written by 0xaa and sync to disk to avoid
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# EBUSY on EXT4_IOC_MOVE_EXT
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$XFS_IO_PROG -fc "pwrite -S 0xaa 0 1m" -c "fsync" $donorfile | _filter_xfs_io
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# create test file with 1023 in size, written by 0xbb
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# 1023 is smaller than 1k and works for any block size filesystems
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$XFS_IO_PROG -fc "pwrite -S 0xbb 0 1023" -c "fsync" $testfile | _filter_xfs_io
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# compute initial md5sum
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md5sum $testfile > $tmp.md5sum
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# drop cache, force e4compact to read data from disk
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echo 3 > /proc/sys/vm/drop_caches
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# test defrag
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echo "$testfile" | $e4compact -i -v -f $donorfile >>$seqres.full
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# check md5sum
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md5sum -c $tmp.md5sum | _filter_scratch
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# success, all done
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status=0
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exit
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