xref: /linux/tools/testing/selftests/ublk/test_generic_10.sh (revision e7e86d7697c6ed1dbbde18d7185c35b6967945ed)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh
5
6TID="generic_10"
7ERR_CODE=0
8
9if ! _have_feature "UPDATE_SIZE"; then
10	exit "$UBLK_SKIP_CODE"
11fi
12
13_prep_test "null" "check update size"
14
15dev_id=$(_add_ublk_dev -t null)
16_check_add_dev $TID $?
17
18size=$(_get_disk_size /dev/ublkb"${dev_id}")
19size=$(( size / 2 ))
20if ! "$UBLK_PROG" update_size -n "$dev_id" -s "$size"; then
21	ERR_CODE=255
22fi
23
24new_size=$(_get_disk_size /dev/ublkb"${dev_id}")
25if [ "$new_size" != "$size" ]; then
26	ERR_CODE=255
27fi
28
29_cleanup_test "null"
30_show_result $TID $ERR_CODE
31