The branch main has been updated by pho: URL: https://cgit.FreeBSD.org/src/commit/?id=799db59e9a5ebdab8dd80084177778690955e66b
commit 799db59e9a5ebdab8dd80084177778690955e66b Author: Peter Holm <[email protected]> AuthorDate: 2022-10-24 07:45:32 +0000 Commit: Peter Holm <[email protected]> CommitDate: 2022-10-24 07:45:32 +0000 stress2: Update tool to list both DATA and HOLES in a file. Added a regression test. --- tools/test/stress2/misc/seekhole.sh | 77 +++++++++++++++++++++++++++++++++++++ tools/test/stress2/tools/lsholes.c | 59 +++++++++++++++++----------- 2 files changed, 114 insertions(+), 22 deletions(-) diff --git a/tools/test/stress2/misc/seekhole.sh b/tools/test/stress2/misc/seekhole.sh new file mode 100755 index 000000000000..4656094c1d53 --- /dev/null +++ b/tools/test/stress2/misc/seekhole.sh @@ -0,0 +1,77 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2022 Peter Holm <[email protected]> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# + +# A SEEK_HOLE / SEEK_DATA test scenario + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +prog=$(basename "$0" .sh) +exp=/tmp/$prog.exp +here=`pwd` +log=/tmp/$prog.log + +cc -o /tmp/lsholes -Wall -Wextra -O2 $here/../tools/lsholes.c | exit 1 +cat > $exp <<EXP +Min hole size is 32768, file size is 524288000. +data #1 @ 0, size=32768) +hole #2 @ 32768, size=32768 +data #3 @ 65536, size=32768) +hole #4 @ 98304, size=32768 +data #5 @ 131072, size=32768) +hole #6 @ 163840, size=524091392 +data #7 @ 524255232, size=32768) +hole #8 @ 524288000, size=0 +EXP + +set -eu +mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart +mdconfig -s 2g -u $mdstart +newfs -U /dev/md$mdstart > /dev/null +mount /dev/md$mdstart $mntpoint +set +e + +file=$mntpoint/file +truncate -s 500m $file +bs=`getconf MIN_HOLE_SIZE $file` +printf "\001" | dd of=$file seek=$((0*bs)) bs=1 count=1 conv=notrunc status=none +printf "\002" | dd of=$file seek=$((2*bs)) bs=1 count=1 conv=notrunc status=none +printf "\003" | dd of=$file seek=$((4*bs)) bs=1 count=1 conv=notrunc status=none +s1=0 +s2=0 +/tmp/lsholes $file > $log 2>&1; s1=$? + +cat $log +cmp -s $exp $log || s2=1 + +umount $mntpoint +mdconfig -d -u $mdstart +rm -f /tmp/lsholes $exp $log +exit $((s1 + s2)) diff --git a/tools/test/stress2/tools/lsholes.c b/tools/test/stress2/tools/lsholes.c index a583c1315093..12f8576f3be7 100644 --- a/tools/test/stress2/tools/lsholes.c +++ b/tools/test/stress2/tools/lsholes.c @@ -40,7 +40,8 @@ main(int argc, char *argv[]) { struct stat st; off_t data, hole, pos; - long mx; + long mn; + intmax_t siz; int fd, n; char *name; @@ -54,33 +55,47 @@ main(int argc, char *argv[]) err(1, "open(%s)", name); if (fstat(fd, &st)) err(1, "fstat()"); - if ((mx = fpathconf(fd, _PC_MIN_HOLE_SIZE)) == -1) + if ((mn = fpathconf(fd, _PC_MIN_HOLE_SIZE)) == -1) err(1, "fpathconf()"); - fprintf(stderr, "file \"%s\" size = %jd, _PC_MIN_HOLE_SIZE = %ld\n", - name, (intmax_t)st.st_size, mx); + fprintf(stderr, "Min hole size is %ld, file size is %jd.\n", + mn, (intmax_t)st.st_size); n = 1; pos = 0; + while (pos < st.st_size) { - if ((hole = lseek(fd, pos, SEEK_HOLE)) == -1) + hole = lseek(fd, pos, SEEK_HOLE); + if (hole == -1 && errno != ENXIO) err(1, "lseek(SEEK_HOLE)"); - if ((data = lseek(fd, hole, SEEK_DATA)) == -1) { - if (errno == ENXIO) { - if (hole == st.st_size) - break; - fprintf(stderr, - "No data after hole @ %jd\n", - (intmax_t)hole); - break; - } - err(1, "lseek(SEEK_DATA)"); + data = lseek(fd, pos, SEEK_DATA); + if (data == -1 && errno != ENXIO) + err(1, "lseek(SEEK_data)"); + + if (hole >= 0 && data >= 0 && hole > data) { + siz = hole - data; + printf("data #%d @ %ld, size=%jd)\n", + n, (intmax_t)data, siz); + n++; + pos += siz; + } + if (hole >= 0 && data >= 0 && hole < data) { + siz = data - hole; + printf("hole #%d @ %ld, size=%jd\n", + n, (intmax_t)hole, siz); + n++; + pos += siz; + } + if (hole >= 0 && data == -1) { + siz = st.st_size - hole; + printf("hole #%d @ %ld, size=%jd\n", + n, (intmax_t)hole, siz); + n++; + pos += siz; } - pos = data; - printf("hole #%d @ %jd (0x%jx), size=%jd (0x%jx)\n", - n, (intmax_t)hole, (intmax_t)hole, (intmax_t)(data - hole), - (intmax_t)(data - hole)); - n++; } + if (hole == st.st_size) { + /* EOF */ + printf("hole #%d @ %ld, size=%jd\n", + n, (intmax_t)hole, 0L); + } close(fd); - if (hole != st.st_size) - errx(1, "No implicit hole at EOF"); }
