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From 822439e4eaa4bb758d9058022154973cd690eca7 Mon Sep 17 00:00:00 2001
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From: "Brian C. Lane" <bcl@redhat.com>
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Date: Fri, 5 Jun 2015 13:46:29 -0700
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Subject: [PATCH] tests: Make sure the extended partition length is correct
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(#1135493)
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parted tells the kernel the wrong length when reporting a resize of an
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extended partition. Make sure the length is 2 for 512b sectors and 1
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sector for larger.
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(cherry picked from commit 31b5bfa4cd0b2e2944af22466e7b7d88ad94c4c9)
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---
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tests/Makefile.am | 1 +
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tests/t2320-dos-extended-noclobber.sh | 48 +++++++++++++++++++++++++++++++++++
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2 files changed, 49 insertions(+)
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create mode 100644 tests/t2320-dos-extended-noclobber.sh
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diff --git a/tests/Makefile.am b/tests/Makefile.am
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index ce8391d..001b9de 100644
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--- a/tests/Makefile.am
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+++ b/tests/Makefile.am
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@@ -47,6 +47,7 @@ TESTS = \
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t2201-pc98-label-recog.sh \
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t2300-dos-label-extended-bootcode.sh \
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t2310-dos-extended-2-sector-min-offset.sh \
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+ t2320-dos-extended-noclobber.sh \
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t2400-dos-hfs-partition-type.sh \
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t2500-probe-corrupt-hfs.sh \
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t3000-resize-fs.sh \
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diff --git a/tests/t2320-dos-extended-noclobber.sh b/tests/t2320-dos-extended-noclobber.sh
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new file mode 100644
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index 0000000..6f3dfff
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--- /dev/null
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+++ b/tests/t2320-dos-extended-noclobber.sh
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@@ -0,0 +1,48 @@
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+#!/bin/sh
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+# Ensure that the extended partition reports the correct length
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+# after adding another partition.
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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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+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
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+
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+require_root_
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+require_scsi_debug_module_
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+
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+# create memory-backed device
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+ss=$sector_size_
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+scsi_debug_setup_ sector_size=$ss dev_size_mb=10 > dev-name ||
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+ skip_ 'failed to create scsi_debug device'
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+scsi_dev=$(cat dev-name)
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+
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+# Create a DOS label with an extended partition and a primary partition
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+parted -s $scsi_dev mklabel msdos || fail=1
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+parted -s $scsi_dev mkpart extended 1 5 > out 2>&1 || fail=1
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+parted -s $scsi_dev mkpart primary 5 10 > out 2>&1 || fail=1
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+
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+# Make sure the size of the extended partition is correct.
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+# 2 sectors for 512b and 1 sector for larger. /sys/.../size is in
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+# 512b blocks so convert accordingly.
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+dev=${scsi_dev#/dev/}
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+ext_len=$(cat /sys/block/$dev/${dev}1/size)
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+if [ $ss -eq 512 ]; then
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+ expected_len=2
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+else
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+ expected_len=$((ss / 512))
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+fi
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+[ $ext_len -eq $expected_len ] || fail=1
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+
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+Exit $fail
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--
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2.4.3
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