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Kernel 6.13: Introduce cas_queue_limits_is_misaligned()

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Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@huawei.com>
This commit is contained in:
Rafal Stefanowski 2025-02-05 17:01:14 +01:00
parent 6a275773ce
commit dbaeb21cb3
2 changed files with 45 additions and 2 deletions
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42
configure.d/1_queue_limits_misaligned.conf Normal file
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@ -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 $@

5
modules/cas_cache/layer_cache_management.c
View File

@ -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");