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From 166491bd870df6877e04831c9da593e2f8e77ca8 Mon Sep 17 00:00:00 2001
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From: "Brian C. Lane" <bcl@redhat.com>
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Date: Thu, 19 Apr 2012 17:11:09 -0700
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Subject: [PATCH] tests: test creating 20 device-mapper partitions (#803108)
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* tests/t6002-dm-many-partitions.sh: Make sure > 17 partitions appear in
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device mapper.
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---
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tests/Makefile.am | 1 +
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tests/t6002-dm-many-partitions.sh | 60 +++++++++++++++++++++++++++++++++++++
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2 files changed, 61 insertions(+), 0 deletions(-)
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create mode 100755 tests/t6002-dm-many-partitions.sh
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diff --git a/tests/Makefile.am b/tests/Makefile.am
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index 1b37fd9..57771be 100644
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--- a/tests/Makefile.am
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+++ b/tests/Makefile.am
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@@ -55,6 +55,7 @@ TESTS = \
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t5000-tags.sh \
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t6000-dm.sh \
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t6001-psep.sh \
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+ t6002-dm-many-partitions.sh \
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t6100-mdraid-partitions.sh \
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t7000-scripting.sh \
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t8000-loop.sh \
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diff --git a/tests/t6002-dm-many-partitions.sh b/tests/t6002-dm-many-partitions.sh
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new file mode 100755
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index 0000000..4d08e72
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--- /dev/null
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+++ b/tests/t6002-dm-many-partitions.sh
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@@ -0,0 +1,60 @@
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+#!/bin/sh
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+# device-mapper: create many partitions
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+# This would not create partitions > 16 when using device-mapper
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+
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+# Copyright (C) 2012 Free Software Foundation, Inc.
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+
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 3 of the License, or
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+# (at your option) any later version.
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+
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+# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
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+
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+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
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+
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+require_root_
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+(dmsetup --help) > /dev/null 2>&1 || skip_test_ "No dmsetup installed"
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+
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+ss=$sector_size_
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+ns=300
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+n_partitions=20
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+start_sector=34
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+loop_file=loop-file-$$
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+dm_name=dm-test-$$
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+
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+cleanup_() {
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+ dmsetup remove $dm_name
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+ test -n "$dev" && losetup -d "$dev"
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+ rm -f $loop_file;
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+}
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+
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+# create a file large enough to hold a GPT partition table
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+dd if=/dev/null of=$loop_file bs=$ss seek=$ns || framework_failure
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+dev=$(losetup --show -f $loop_file) || framework_failure
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+dmsetup create $dm_name --table "0 $ns linear $dev 0" || framework_failure
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+
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+cmd=
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+for ((i=1; i<=$n_partitions; i+=1)); do
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+ s=$((start_sector + i - 1))
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+ cmd="$cmd mkpart p$i ${s}s ${s}s"
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+done
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+parted -m -a min -s /dev/mapper/$dm_name mklabel gpt $cmd > /dev/null 2>&1 || fail=1
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+
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+# Make sure all the partitions appeared under /dev/mapper/
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+for ((i=1; i<=$n_partitions; i+=1)); do
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+ if [ ! -e "/dev/mapper/${dm_name}p$i" ]; then
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+ fail=1
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+ break
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+ fi
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+ # remove the partitions as we go, otherwise cleanup won't work.
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+ dmsetup remove /dev/mapper/${dm_name}p$i
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+done
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+
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+Exit $fail
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--
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1.7.7.6
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