#!/bin/bash
#
# Copyright(c) 2012-2022 Intel Corporation
# Copyright(c) 2025 Huawei Technologies
# SPDX-License-Identifier: BSD-3-Clause
#

. $(dirname $3)/conf_framework.sh

check() {
	cur_name=$(basename $2)
	config_file_path=$1
	if compile_module $cur_name "blk_queue_max_discard_sectors(NULL, 0);" "linux/blkdev.h"
	then
		echo $cur_name "1" >> $config_file_path
	else
		echo $cur_name "2" >> $config_file_path
	fi
}

apply() {
	case "$1" in
	"1")
	add_function "
	static inline void cas_queue_max_discard_sectors(
			struct request_queue *q,
			unsigned int max_discard_sectors)
	{
		blk_queue_max_discard_sectors(q, max_discard_sectors);
	}" ;;
	"2")
	add_function "
	static inline void cas_queue_max_discard_sectors(
			struct request_queue *q,
			unsigned int max_discard_sectors)
	{
		struct queue_limits *lim = &q->limits;

		lim->max_hw_discard_sectors = max_discard_sectors;
		lim->max_discard_sectors =
			min(max_discard_sectors, lim->max_user_discard_sectors);
	}" ;;
	*)
		exit 1
		esac
}

conf_run $@