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4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
99 lines
3 KiB
Bash
Executable file
99 lines
3 KiB
Bash
Executable file
#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2021 Peter Holm <pho@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# No problems seen
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# fsync: giving up on dirty 0xc9659438: tag devfs, type VCHR
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# usecount 1, writecount 0, refcount 41 mountedhere 0xc96a2000
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# flags (VI_ACTIVE)
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# v_object 0xc9824aa0 ref 0 pages 355 cleanbuf 37 dirtybuf 2
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# lock type devfs: EXCL by thread 0xccbca6a0 (pid 42225, dd, tid 100234)
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# #0 0xc0c26533 at __lockmgr_args+0xae3
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# #1 0xc0d06cc3 at vop_stdlock+0x53
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# #2 0xc1212cc0 at VOP_LOCK1_APV+0xe0
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# #3 0xc0d2b24a at _vn_lock+0xba
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# #4 0xc0f3f22b at ffs_sync+0x34b
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# #5 0xc0f22343 at softdep_ast_cleanup_proc+0x213
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# #6 0xc0ca7fbb at userret+0x1ab
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# #7 0xc11e0618 at syscall+0x5e8
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# #8 0xc11cb09e at Xint0x80_syscall+0x2e
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# dev label/tmp
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. ../default.cfg
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[ -d $RUNDIR ] || mkdir -p $RUNDIR &&
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find $RUNDIR -name "split.*" -delete
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export LANG=C
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s=0
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kfree=`df -k $RUNDIR | tail -1 | awk '{print $4}'`
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[ $kfree -gt 100 ] && kfree=$((kfree - 100))
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parallel=$((`sysctl -n hw.ncpu` + 1))
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parallel=2
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cap=$((9 * 1024 * 1024)) # 9GB
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mx=$((kfree / parallel / 2))
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[ $mx -gt $cap ] && mx=$cap
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run() {
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local blocks md5 md5a orig s spmax spmin
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s=0
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cd $RUNDIR
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blocks=`jot -r 1 1 $mx`
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dd if=/dev/random of=file.$1 bs=1023 count=$blocks status=none
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orig=`ls -l file.$1 | tail -1`
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md5=`md5 -q file.$1`
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spmin=$((1023 * 4))
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spmax=$((1023 * blocks / 2))
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rm -f split.$1.*
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split -a 4 -b `jot -r 1 $spmin $spmax` file.$1 split.$1.
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rm file.$1
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cat split.$1.* > file.$1
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rm split.$1.*
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md5a=`md5 -q file.$1`
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if [ $md5 != $md5a ]; then
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echo FAIL
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echo "orig $orig $md5"
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orig=`ls -l file.$1 | tail -1`
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echo "new $orig $md5a"
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s=1
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fi
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rm file.$1
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return $s
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}
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for i in `jot $parallel`; do
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run $i &
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pids="$pids $!"
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done
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for pid in $pids; do
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wait $pid
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[ $? -ne 0 ] && s=1
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done
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exit $s
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