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From 8ab27474806687a2af7efb008b80b33615e6eb1d Mon Sep 17 00:00:00 2001
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From: "Brian C. Lane" <bcl@redhat.com>
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Date: Wed, 4 Feb 2015 16:31:00 -0800
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Subject: [PATCH 09/11] tests: Add a test for device-mapper partition sizes
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device-mapper uses 512b sector units, not device specific sector sizes.
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This test ensures that the correct partition size is created, no matter
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what the device's sector size is.
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---
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tests/Makefile.am | 1 +
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tests/t6006-dm-512b-sectors.sh | 68 ++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 69 insertions(+)
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create mode 100644 tests/t6006-dm-512b-sectors.sh
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diff --git a/tests/Makefile.am b/tests/Makefile.am
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index b726366..ce8391d 100644
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--- a/tests/Makefile.am
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+++ b/tests/Makefile.am
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@@ -69,6 +69,7 @@ TESTS = \
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t6003-dm-hide.sh \
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t6004-dm-many-partitions.sh \
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t6005-dm-uuid.sh \
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+ t6006-dm-512b-sectors.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/t6006-dm-512b-sectors.sh b/tests/t6006-dm-512b-sectors.sh
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new file mode 100644
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index 0000000..31abba9
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--- /dev/null
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+++ b/tests/t6006-dm-512b-sectors.sh
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@@ -0,0 +1,68 @@
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+#!/bin/sh
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+# device-mapper sector sizes are 512b, make sure partitions are the correct
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+# size when using larger sector sizes and a linear dm table.
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+
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+# Copyright (C) 2015 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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+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
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+
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+require_root_
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+require_scsi_debug_module_
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+
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+grep '^#define USE_BLKID 1' "$CONFIG_HEADER" > /dev/null ||
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+ skip_ 'this system lacks a new-enough libblkid'
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+
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+(dmsetup --help) > /dev/null 2>&1 || skip_test_ "No dmsetup installed"
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+
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+# Device maps names - should be random to not conflict with existing ones on
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+# the system
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+linear_=plinear-$$test
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+
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+cleanup_fn_() {
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+ i=0
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+ udevadm settle
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+ while [ $i -lt 10 ] ; do
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+ [ -e "/dev/mapper/${linear_}1" ] && dmsetup remove ${linear_}1
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+ sleep .2
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+ [ -e "/dev/mapper/$linear_" ] && dmsetup remove $linear_
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+ sleep .2
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+ [ -e "/dev/mapper/${linear_}1" -o -e "/dev/mapper/$linear_" ] || i=10
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+ i=$((i + 1))
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+ done
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+ udevadm settle
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+}
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+
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+# Create a 500M device
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+ss=$sector_size_
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+scsi_debug_setup_ sector_size=$ss dev_size_mb=500 > dev-name ||
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+ skip_ 'failed to create scsi_debug device'
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+scsi_dev=$(cat dev-name)
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+
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+# Size of device, in 512b units
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+scsi_dev_size=$(blockdev --getsz $scsi_dev) || framework_failure
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+
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+dmsetup create $linear_ --table "0 $scsi_dev_size linear $scsi_dev 0" || framework_failure
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+dev="/dev/mapper/$linear_"
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+
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+# Create msdos partition table with a partition from 1MiB to 100MiB
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+parted -s $dev mklabel msdos mkpart primary ext2 1MiB 101MiB > out 2>&1 || fail=1
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+compare /dev/null out || fail=1
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+
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+# The size of the partition should be 100MiB, or 204800 512b sectors
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+p1_size=$(blockdev --getsz ${dev}1) || framework_failure
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+[ $p1_size == 204800 ] || fail=1
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+
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+Exit $fail
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--
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2.1.0
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