#!/bin/bash
#
# Copyright(c) 2012-2019 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#

. `dirname $0`/conf_framework

# RHEL 7.3
if compile_module "struct queue_limits q;q.limits_aux" "linux/blkdev.h"
then
    add_function "
static inline void cas_copy_queue_limits(struct request_queue *exp_q,
		struct request_queue *cache_q, struct request_queue *core_q)
{
	struct queue_limits_aux *l_aux = exp_q->limits.limits_aux;
	exp_q->limits = cache_q->limits;
	exp_q->limits.limits_aux = l_aux;
	if (exp_q->limits.limits_aux && cache_q->limits.limits_aux)
		*exp_q->limits.limits_aux = *cache_q->limits.limits_aux;
	exp_q->limits.max_sectors = core_q->limits.max_sectors;
	exp_q->limits.max_hw_sectors = core_q->limits.max_hw_sectors;
	exp_q->limits.max_segments = core_q->limits.max_segments;
	exp_q->limits.max_write_same_sectors = 0;
	if (queue_virt_boundary(cache_q))
		queue_flag_set(QUEUE_FLAG_NOMERGES, cache_q);
}"
elif compile_module "struct queue_limits q;q.max_write_zeroes_sectors" "linux/blkdev.h"
then
    add_function "
static inline void cas_copy_queue_limits(struct request_queue *exp_q,
		struct request_queue *cache_q, struct request_queue *core_q)
{
	exp_q->limits = cache_q->limits;
	exp_q->limits.max_sectors = core_q->limits.max_sectors;
	exp_q->limits.max_hw_sectors = core_q->limits.max_hw_sectors;
	exp_q->limits.max_segments = core_q->limits.max_segments;
	exp_q->limits.max_write_same_sectors = 0;
	exp_q->limits.max_write_zeroes_sectors = 0;
}"
elif compile_module "struct queue_limits q;q.max_write_same_sectors" "linux/blkdev.h"
then
    add_function "
static inline void cas_copy_queue_limits(struct request_queue *exp_q,
		struct request_queue *cache_q, struct request_queue *core_q)
{
	exp_q->limits = cache_q->limits;
	exp_q->limits.max_sectors = core_q->limits.max_sectors;
	exp_q->limits.max_hw_sectors = core_q->limits.max_hw_sectors;
	exp_q->limits.max_segments = core_q->limits.max_segments;
	exp_q->limits.max_write_same_sectors = 0;
}"
fi