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cmd/xfs/stress/001 1.6 Renamed to cmd/xfstests/001
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Nathan Scott
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#! /bin/sh
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# XFS QA Test No. 042
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# $Id: 042,v 1.2 2000/09/27 00:24:22 ajag Exp ajag $
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#
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# fsr.xfs QA tests
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# create a large fragmented file and check that fsr.xfs doesn't corrupt
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# it or the other contents of the filesystem
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of version 2 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, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# Further, this software is distributed without any warranty that it is
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# free of the rightful claim of any third person regarding infringement
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# or the like. Any license provided herein, whether implied or
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# otherwise, applies only to this software file. Patent licenses, if
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# any, provided herein do not apply to combinations of this program with
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# other software, or any other product whatsoever.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write the Free Software Foundation, Inc., 59
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# Temple Place - Suite 330, Boston MA 02111-1307, USA.
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#
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# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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# Mountain View, CA 94043, or:
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#
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# http://www.sgi.com
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#
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# For further information regarding this notice, see:
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#
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# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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#-----------------------------------------------------------------------
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#
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set +x
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# creator
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owner=ajag@melbourne.sgi.com
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seq=`basename $0`
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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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_cleanup()
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{
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umount $SCRATCH_MNT
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rm -f $tmp.*
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}
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trap "_cleanup ; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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# real QA test starts here
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_require_scratch
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_cull_files()
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{
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perl -e "\$manifest=\"$tmp.manifest\";" -e '
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open MANIFEST, $manifest;
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@in = <MANIFEST>;
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close MANIFEST;
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open MANIFEST, ">$manifest";
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for ($i = 0; $i < @in; $i++) {
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if (($i+1) % 2 == 0) {
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# remove every second file
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chomp($s = $in[$i]);
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if (unlink($s) != 1) {
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print "_cull_files: could not delete \"$s\"\n";
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exit(1);
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}
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}
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else {
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print MANIFEST $in[$i];
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}
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}
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close MANIFEST;'
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}
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_do()
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{
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if [ $# -ne 1 ]; then echo "Usage: _do \"cmd\"" 1>&2 ; exit 1; fi
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echo "*** $1" >>$seq.full
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eval "$1 >>$seq.full 2>&1"
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}
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# create a large contiguous file using dd
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# use fill2fs to fill the filesystem up with 4k sized files
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# fill any remaining space using dd
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# delete every second 4k file - remaining free space should be fragmented
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# use fill2 to generate a very large file - run it until it fails producing a truncated file
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# delete the dd-generated file
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# run fsr.xfs on the filesystem
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# check checksums for remaining files
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# create 3 minimum sized (16Mb) allocation groups
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# xfs_repair is going to need three to verify the superblock
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rm -f $seq.full
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echo -n "Make a 48 megabyte filesystem on SCRATCH_DEV and mount... "
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_do "mkfs -t xfs -d size=48m,agcount=3 -l internal -f $SCRATCH_DEV"
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_do "mount -t xfs $SCRATCH_DEV $SCRATCH_MNT"
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echo "done"
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echo -n "Reserve 16 1Mb unfragmented regions... "
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for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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do
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_do "dd if=/dev/zero of=$SCRATCH_MNT/hole$i bs=4096 count=256"
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_do "dd if=/dev/zero of=$SCRATCH_MNT/space$i bs=4096 count=1"
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_do "xfs_bmap $SCRATCH_MNT/hole$i"
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done
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echo "done"
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echo -n "Fill filesystem with 4k files, generate manifest... "
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_do "(src/fill2fs --verbose --dir=$SCRATCH_MNT/fill --seed=0 --filesize=4096 --stddev=0 --list=$tmp.manifest)"
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echo "done"
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echo -n "Use up any further available space using dd... "
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_do "dd if=/dev/zero of=$SCRATCH_MNT/pad bs=4096"
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echo "done"
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echo -n "Delete every second file... "
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if ! _do "_cull_files"; then
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echo "fail"
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echo "Could not cull files. Test failed see $seq.full"
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status=1; exit
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fi
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echo "done"
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echo -n "Create one very large file... "
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_do "src/fill2 -d nbytes=16000000,file=$SCRATCH_MNT/fragmented"
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echo "done"
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_do "xfs_bmap $SCRATCH_MNT/fragmented"
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_do "(sum $SCRATCH_MNT/fragmented >$tmp.sum1)"
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echo -n "Remove other files... "
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_do "rm -rf $SCRATCH_MNT/{pad,hole*}"
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echo "done"
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# flush everything
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_do "umount $SCRATCH_MNT"
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_do "mount -t xfs $SCRATCH_DEV $SCRATCH_MNT"
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echo -n "Run fsr.xfs on filesystem... "
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_do "fsr.xfs -v $SCRATCH_DEV"
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echo "done"
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_do "xfs_bmap $SCRATCH_MNT/fragmented"
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echo -n "Check 4k files... "
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if ! _do "src/fill2fs_check $tmp.manifest"; then
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echo "fail"
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echo "4k file is corrupt/missing after fsr. Test failed see $seq.full"
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status=1; exit
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fi
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echo "done"
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echo -n "Check large file... "
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_do "(sum $SCRATCH_MNT/fragmented >$tmp.sum2)"
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if ! diff $tmp.sum1 $tmp.sum2; then
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echo "fail"
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echo "File is corrupt/missing after fsr. Test failed see $seq.full"
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status=1; exit
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fi
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echo "done"
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echo -n "Checking filesystem... "
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_check_fs $SCRATCH_DEV
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echo "done"
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# success, all done
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echo "fsr.xfs tests passed."
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status=0 ; exit
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