mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
e4375bf33e
The free blocks count can vary from our calculations by up to 8% on a 1k-block filesystem, so permit that. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
150 lines
5.0 KiB
Bash
Executable File
150 lines
5.0 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 128
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#
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# Ensure that xfs_fsr un-reflinks files while defragmenting
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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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#
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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 "$tmp".*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/reflink
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# real QA test starts here
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_supported_os Linux
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_supported_fs xfs
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_require_test_lsattr
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_require_scratch_reflink
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_require_cp_reflink
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echo "Format and mount"
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_scratch_mkfs > "$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 "$TESTDIR"
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FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f')
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echo "Create the original file and reflink to file2, file3"
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BLKS=2000
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MARGIN=160
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BLKSZ=65536
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REAL_BLKSZ="$(stat -f $TESTDIR -c '%S')"
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BLKSZ_FACTOR=$((BLKSZ / REAL_BLKSZ))
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_pwrite_byte 0x61 0 $((BLKS * BLKSZ)) "$TESTDIR/file1" >> "$seqres.full"
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_cp_reflink "$TESTDIR/file1" "$TESTDIR/file2"
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_cp_reflink "$TESTDIR/file2" "$TESTDIR/file3"
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_cp_reflink "$TESTDIR/file3" "$TESTDIR/file4"
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_test_remount
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FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f')
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md5sum "$TESTDIR/file1" | _filter_scratch
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md5sum "$TESTDIR/file2" | _filter_scratch
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md5sum "$TESTDIR/file3" | _filter_scratch
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md5sum "$TESTDIR/file4" | _filter_scratch
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C01=$(_md5_checksum "$TESTDIR/file1")
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C02=$(_md5_checksum "$TESTDIR/file2")
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C03=$(_md5_checksum "$TESTDIR/file3")
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C04=$(_md5_checksum "$TESTDIR/file4")
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echo "CoW the reflink copies"
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_pwrite_byte 0x62 $BLKSZ $BLKSZ "$TESTDIR/file2" >> "$seqres.full"
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_pwrite_byte 0x63 $(( BLKSZ * (BLKS - 1) )) $BLKSZ "$TESTDIR/file3" >> "$seqres.full"
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_test_remount
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FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f')
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md5sum "$TESTDIR/file1" | _filter_scratch
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md5sum "$TESTDIR/file2" | _filter_scratch
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md5sum "$TESTDIR/file3" | _filter_scratch
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md5sum "$TESTDIR/file4" | _filter_scratch
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C11=$(_md5_checksum "$TESTDIR/file1")
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C12=$(_md5_checksum "$TESTDIR/file2")
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C13=$(_md5_checksum "$TESTDIR/file3")
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C14=$(_md5_checksum "$TESTDIR/file4")
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echo "Defragment"
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lsattr -l "$TESTDIR/" | _filter_scratch
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xfs_fsr -v -d "$TESTDIR/file1" >> "$seqres.full"
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xfs_fsr -v -d "$TESTDIR/file2" >> "$seqres.full" # fsr probably breaks the link
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xfs_fsr -v -d "$TESTDIR/file3" >> "$seqres.full" # fsr probably breaks the link
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xfs_fsr -v -d "$TESTDIR/file4" >> "$seqres.full" # fsr probably ignores this file
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_test_remount
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FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f')
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md5sum "$TESTDIR/file1" | _filter_scratch
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md5sum "$TESTDIR/file2" | _filter_scratch
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md5sum "$TESTDIR/file3" | _filter_scratch
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md5sum "$TESTDIR/file4" | _filter_scratch
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C21=$(_md5_checksum "$TESTDIR/file1")
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C22=$(_md5_checksum "$TESTDIR/file2")
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C23=$(_md5_checksum "$TESTDIR/file3")
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C24=$(_md5_checksum "$TESTDIR/file4")
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echo "Check files"
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test $C01 = $C02 || echo "Files 1-2 do not match"
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test $C01 = $C03 || echo "Files 1-3 do not match"
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test $C01 = $C04 || echo "Files 1-4 do not match"
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test $C02 = $C03 || echo "Files 2-3 do not match"
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test $C02 = $C04 || echo "Files 2-4 do not match"
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test $C03 = $C04 || echo "Files 3-4 do not match"
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test $C01 = $C11 || echo "File1 should not be different after CoW"
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test $C02 != $C12 || echo "File2 should be different after CoW"
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test $C03 != $C13 || echo "File3 should be different after CoW"
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test $C04 = $C14 || echo "File4 should not be different after CoW"
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test $C11 = $C21 || echo "File1 changed by defrag"
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test $C12 = $C22 || echo "File2 changed by defrag"
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test $C13 = $C23 || echo "File3 changed by defrag"
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test $C14 = $C24 || echo "File4 changed by defrag"
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#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3
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_within_tolerance "free blocks after creating some reflink copies" $FREE_BLOCKS1 $((FREE_BLOCKS0 - (BLKS * BLKSZ_FACTOR) )) $MARGIN -v
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_within_tolerance "free blocks after CoW some reflink copies" $FREE_BLOCKS2 $((FREE_BLOCKS1 - 2)) $MARGIN -v
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_within_tolerance "free blocks after defragging all reflink copies" $FREE_BLOCKS3 $((FREE_BLOCKS2 - (BLKS * 2 * BLKSZ_FACTOR))) $MARGIN -v
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_within_tolerance "free blocks after all tests" $FREE_BLOCKS3 $((FREE_BLOCKS0 - (BLKS * 3 * BLKSZ_FACTOR))) $MARGIN -v
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echo "Check scratch fs"
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umount "$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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