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From 166491bd870df6877e04831c9da593e2f8e77ca8 Mon Sep 17 00:00:00 2001
From: "Brian C. Lane" <bcl@redhat.com>
Date: Thu, 19 Apr 2012 17:11:09 -0700
Subject: [PATCH] tests: test creating 20 device-mapper partitions (#803108)
* tests/t6002-dm-many-partitions.sh: Make sure > 17 partitions appear in
device mapper.
---
tests/Makefile.am | 1 +
tests/t6002-dm-many-partitions.sh | 60 +++++++++++++++++++++++++++++++++++++
2 files changed, 61 insertions(+), 0 deletions(-)
create mode 100755 tests/t6002-dm-many-partitions.sh
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 1b37fd9..57771be 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -55,6 +55,7 @@ TESTS = \
t5000-tags.sh \
t6000-dm.sh \
t6001-psep.sh \
+ t6002-dm-many-partitions.sh \
t6100-mdraid-partitions.sh \
t7000-scripting.sh \
t8000-loop.sh \
diff --git a/tests/t6002-dm-many-partitions.sh b/tests/t6002-dm-many-partitions.sh
new file mode 100755
index 0000000..4d08e72
--- /dev/null
+++ b/tests/t6002-dm-many-partitions.sh
@@ -0,0 +1,60 @@
+#!/bin/sh
+# device-mapper: create many partitions
+# This would not create partitions > 16 when using device-mapper
+
+# Copyright (C) 2012 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
+
+require_root_
+(dmsetup --help) > /dev/null 2>&1 || skip_test_ "No dmsetup installed"
+
+ss=$sector_size_
+ns=300
+n_partitions=20
+start_sector=34
+loop_file=loop-file-$$
+dm_name=dm-test-$$
+
+cleanup_() {
+ dmsetup remove $dm_name
+ test -n "$dev" && losetup -d "$dev"
+ rm -f $loop_file;
+}
+
+# create a file large enough to hold a GPT partition table
+dd if=/dev/null of=$loop_file bs=$ss seek=$ns || framework_failure
+dev=$(losetup --show -f $loop_file) || framework_failure
+dmsetup create $dm_name --table "0 $ns linear $dev 0" || framework_failure
+
+cmd=
+for ((i=1; i<=$n_partitions; i+=1)); do
+ s=$((start_sector + i - 1))
+ cmd="$cmd mkpart p$i ${s}s ${s}s"
+done
+parted -m -a min -s /dev/mapper/$dm_name mklabel gpt $cmd > /dev/null 2>&1 || fail=1
+
+# Make sure all the partitions appeared under /dev/mapper/
+for ((i=1; i<=$n_partitions; i+=1)); do
+ if [ ! -e "/dev/mapper/${dm_name}p$i" ]; then
+ fail=1
+ break
+ fi
+ # remove the partitions as we go, otherwise cleanup won't work.
+ dmsetup remove /dev/mapper/${dm_name}p$i
+done
+
+Exit $fail
--
1.7.7.6