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

. `dirname $0`/conf_framework

check() {
    if compile_module "bio_clone(NULL, 0)" "linux/bio.h"
    then
        echo "1"
    elif compile_module "bio_clone_kmalloc(NULL, 0)" "linux/bio.h"
    then
        echo "2"
    elif compile_module "bio_clone_fast(NULL, 0, NULL)" "linux/bio.h"
    then
        echo "3"
    else
        echo "X"
    fi
}

apply() {
    case "$1" in
    "1")
        add_function "static inline struct bio *cas_bio_clone(struct bio *bio, gfp_t gfp_mask)
            {
                return bio_clone(bio, gfp_mask);
            }" ;;
    "2")
        add_function "static inline struct bio *cas_bio_clone(struct bio *bio, gfp_t gfp_mask)
            {
                return bio_clone_kmalloc(bio, gfp_mask);
            }" ;;
    "3")
        add_function "static inline struct bio *cas_bio_clone(struct bio *bio, gfp_t gfp_mask)
            {
                return bio_clone_fast(bio, gfp_mask, NULL);
            }" ;;
    *)
        exit 1
    esac
}

conf_run $@