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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
ERR_CODE=0
format_backing_file()
{
local backing_file=$1
# Create ublk device to write partition table
local tmp_dev=$(_add_ublk_dev -t loop "${backing_file}")
[ $? -ne 0 ] && return 1
# Write partition table with sfdisk
sfdisk /dev/ublkb"${tmp_dev}" > /dev/null 2>&1 <<EOF
label: dos
start=2048, size=100MiB, type=83
start=206848, size=100MiB, type=83
EOF
local ret=$?
"${UBLK_PROG}" del -n "${tmp_dev}"
return $ret
}
test_auto_part_scan()
{
local backing_file=$1
# Create device WITHOUT --no_auto_part_scan
local dev_id=$(_add_ublk_dev -t loop "${backing_file}")
[ $? -ne 0 ] && return 1
udevadm settle
# Partitions should be auto-detected
if [ ! -e /dev/ublkb"${dev_id}"p1 ] || [ ! -e /dev/ublkb"${dev_id}"p2 ]; then
"${UBLK_PROG}" del -n "${dev_id}"
return 1
fi
"${UBLK_PROG}" del -n "${dev_id}"
return 0
}
test_no_auto_part_scan()
{
local backing_file=$1
# Create device WITH --no_auto_part_scan
local dev_id=$(_add_ublk_dev -t loop --no_auto_part_scan "${backing_file}")
[ $? -ne 0 ] && return 1
udevadm settle
# Partitions should NOT be auto-detected
if [ -e /dev/ublkb"${dev_id}"p1 ]; then
"${UBLK_PROG}" del -n "${dev_id}"
return 1
fi
# Manual scan should work
blockdev --rereadpt /dev/ublkb"${dev_id}" > /dev/null 2>&1
udevadm settle
if [ ! -e /dev/ublkb"${dev_id}"p1 ] || [ ! -e /dev/ublkb"${dev_id}"p2 ]; then
"${UBLK_PROG}" del -n "${dev_id}"
return 1
fi
"${UBLK_PROG}" del -n "${dev_id}"
return 0
}
if ! _have_program sfdisk || ! _have_program blockdev; then
exit "$UBLK_SKIP_CODE"
fi
_prep_test "generic" "test UBLK_F_NO_AUTO_PART_SCAN"
if ! _have_feature "UBLK_F_NO_AUTO_PART_SCAN"; then
_cleanup_test "generic"
exit "$UBLK_SKIP_CODE"
fi
# Create and format backing file with partition table
_create_backfile 0 256M
format_backing_file "${UBLK_BACKFILES[0]}"
[ $? -ne 0 ] && ERR_CODE=255
# Test normal auto partition scan
[ "$ERR_CODE" -eq 0 ] && test_auto_part_scan "${UBLK_BACKFILES[0]}"
[ $? -ne 0 ] && ERR_CODE=255
# Test no auto partition scan with manual scan
[ "$ERR_CODE" -eq 0 ] && test_no_auto_part_scan "${UBLK_BACKFILES[0]}"
[ $? -ne 0 ] && ERR_CODE=255
_cleanup_test "generic"
_show_result $TID $ERR_CODE
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