mirror of
https://github.com/linux-apfs/apfstests.git
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87 lines
2.4 KiB
Bash
87 lines
2.4 KiB
Bash
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#! /bin/bash
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# FS QA Test No. 202
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#
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# See what happens if we CoW across not-block-aligned EOF.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015, Oracle and/or its affiliates. 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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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 -rf "$tmp".* "$TESTDIR"
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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_os Linux
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_require_scratch_reflink
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_require_cp_reflink
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rm -f "$seqres.full"
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echo "Format and mount"
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_scratch_mkfs > "$seqres.full" 2>&1
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_scratch_mount >> "$seqres.full" 2>&1
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TESTDIR="$SCRATCH_MNT/test-$seq"
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rm -rf $TESTDIR
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mkdir $TESTDIR
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echo "Create the original files"
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BLKSZ=65536
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_pwrite_byte 0x61 0 $((BLKSZ + 17)) "$TESTDIR/file1" >> "$seqres.full"
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_cp_reflink "$TESTDIR/file1" "$TESTDIR/file2"
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_pwrite_byte 0x61 0 $((BLKSZ + 17)) "$TESTDIR/file2.chk" >> "$seqres.full"
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_scratch_remount
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echo "Compare files"
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md5sum "$TESTDIR/file1" | _filter_scratch
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md5sum "$TESTDIR/file2" | _filter_scratch
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md5sum "$TESTDIR/file2.chk" | _filter_scratch
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echo "CoW and unmount"
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"$XFS_IO_PROG" -f -c "pwrite -S 0x63 $((BLKSZ + 17)) 17" "$TESTDIR/file2" >> "$seqres.full"
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"$XFS_IO_PROG" -f -c "pwrite -S 0x63 $((BLKSZ + 17)) 17" "$TESTDIR/file2.chk" >> "$seqres.full"
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_scratch_remount
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echo "Compare files"
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md5sum "$TESTDIR/file1" | _filter_scratch
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md5sum "$TESTDIR/file2" | _filter_scratch
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md5sum "$TESTDIR/file2.chk" | _filter_scratch
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echo "Check for damage"
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umount "$SCRATCH_MNT"
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_check_scratch_fs
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# success, all done
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status=0
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exit
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