Kernel 6.13: Introduce cas_queue_limits_is_misaligned()

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@huawei.com>

Author: Rafal Stefanowski

configure.d/1_queue_limits_misaligned.conf

@@ -0,0 +1,42 @@
+#!/bin/bash
+#
+# 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 "struct queue_limits q; q.misaligned;" "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 bool cas_queue_limits_is_misaligned(
+			struct queue_limits *lim)
+	{
+		return lim->misaligned;
+	}" ;;
+    "2")
+	add_function "
+	static inline bool cas_queue_limits_is_misaligned(
+			struct queue_limits *lim)
+	{
+		return lim->features & BLK_FLAG_MISALIGNED;
+	}" ;;
+    *)
+        exit 1
+    esac
+}
+
+conf_run $@

modules/cas_cache/layer_cache_management.c

@@ -1,6 +1,6 @@
 /*
 * Copyright(c) 2012-2022 Intel Corporation
-* Copyright(c) 2024 Huawei Technologies
+* Copyright(c) 2024-2025 Huawei Technologies
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
@@ -2405,7 +2405,8 @@ static int cache_mngt_check_bdev(struct ocf_mngt_cache_device_config *cfg,
 			printk(KERN_WARNING "New cache device block properties "
 					"differ from the previous one.\n");
 		}
-		if (tmp_limits.misaligned) {
+
+		if (cas_queue_limits_is_misaligned(&tmp_limits)) {
 			reattach_properties_diff = true;
 			printk(KERN_WARNING "New cache device block interval "
 					"doesn't line up with the previous one.\n");