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

. `dirname $0`/conf_framework

if compile_module "WRITE_FLUSH" "linux/fs.h"
then
    add_define "CAS_RQ_IS_FLUSH(rq) \\
		((rq)->cmd_flags & CAS_REQ_FLUSH)"
    add_define "CAS_WRITE_FLUSH \\
		WRITE_FLUSH"
    if compile_module "BIO_FLUSH" "linux/bio.h"
    then
        add_define "CAS_IS_WRITE_FLUSH(flags) \\
			((flags) & BIO_FLUSH)"
    else
        add_define "CAS_IS_WRITE_FLUSH(flags) \\
			((flags) & CAS_REQ_FLUSH)"
    fi
elif compile_module "REQ_PREFLUSH" "linux/blk_types.h"
then
    add_define "CAS_RQ_IS_FLUSH(rq) \\
		((rq)->cmd_flags & REQ_PREFLUSH)"
    add_define "CAS_WRITE_FLUSH \\
		(REQ_OP_WRITE | REQ_PREFLUSH)"
    add_define "CAS_IS_WRITE_FLUSH(flags) \\
        (CAS_WRITE_FLUSH == ((flags) & CAS_WRITE_FLUSH))"
else
    add_define "CAS_RQ_IS_FLUSH(rq) \\
		0"
    add_define "CAS_IS_WRITE_FLUSH(flags) \\
        (WRITE_BARRIER == ((flags) & WRITE_BARRIER))"
    add_define "CAS_WRITE_FLUSH \\
		WRITE_BARRIER"
fi