configure: Add blk_queue_make_request() wrapper

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>

configure.d/1_make_request.conf

@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# Copyright(c) 2012-2020 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+#
+
+. $(dirname $3)/conf_framework
+
+check() {
+    cur_name=$(basename $2)
+    config_file_path=$1
+    if compile_module $cur_name "blk_queue_make_request" "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_blk_queue_make_request(struct request_queue *q,
+                make_request_fn *mfn)
+        {
+            blk_queue_make_request(q, mfn);
+        }" ;;
+    "2")
+        add_function "
+        static inline void cas_blk_queue_make_request(struct request_queue *q,
+                make_request_fn *mfn)
+        {
+            q->make_request_fn = mfn;
+        }" ;;
+    *)
+        exit 1
+    esac
+}
+
+conf_run $@

modules/cas_disk/exp_obj.c

@@ -574,7 +574,7 @@ int casdsk_exp_obj_create(struct casdsk_disk *dsk, const char *dev_name,
 	strlcpy(gd->disk_name, exp_obj->dev_name, sizeof(gd->disk_name));
 
 	dsk->exp_obj->mk_rq_fn = queue->make_request_fn;
-	blk_queue_make_request(queue, _casdsk_exp_obj_make_rq_fn);
+	cas_blk_queue_make_request(queue, _casdsk_exp_obj_make_rq_fn);
 
 	if (exp_obj->ops->set_geometry) {
 		result = exp_obj->ops->set_geometry(dsk, dsk->private);