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Set NOMERGES flag for cache volume

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Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@huawei.com>
This commit is contained in:
Michal Mielewczyk
2023-10-09 12:43:39 +02:00
committed by Rafal Stefanowski
parent 20276bd9c1
commit 33721e7c92
3 changed files with 42 additions and 0 deletions
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21
configure.d/1_queue_limits.conf
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@@ -1,6 +1,7 @@
#!/bin/bash
#
# Copyright(c) 2012-2022 Intel Corporation
# Copyright(c) 2024 Huawei Technologies
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -45,6 +46,11 @@ apply() {
exp_q->limits.max_hw_sectors = core_q->limits.max_hw_sectors;
exp_q->limits.max_segments = core_q->limits.max_segments;
exp_q->limits.max_write_same_sectors = 0;
}"
add_function "
static inline void cas_cache_set_no_merges_flag(struct request_queue *cache_q)
{
if (queue_virt_boundary(cache_q))
queue_flag_set(QUEUE_FLAG_NOMERGES, cache_q);
}" ;;
@@ -59,6 +65,11 @@ apply() {
exp_q->limits.max_segments = core_q->limits.max_segments;
exp_q->limits.max_write_same_sectors = 0;
exp_q->limits.max_write_zeroes_sectors = 0;
}"
add_function "
static inline void cas_cache_set_no_merges_flag(struct request_queue *cache_q)
{
}" ;;
"3")
add_function "
@@ -70,6 +81,11 @@ apply() {
exp_q->limits.max_hw_sectors = core_q->limits.max_hw_sectors;
exp_q->limits.max_segments = core_q->limits.max_segments;
exp_q->limits.max_write_zeroes_sectors = 0;
}"
add_function "
static inline void cas_cache_set_no_merges_flag(struct request_queue *cache_q)
{
}" ;;
"4")
add_function "
@@ -81,6 +97,11 @@ apply() {
exp_q->limits.max_hw_sectors = core_q->limits.max_hw_sectors;
exp_q->limits.max_segments = core_q->limits.max_segments;
exp_q->limits.max_write_same_sectors = 0;
}"
add_function "
static inline void cas_cache_set_no_merges_flag(struct request_queue *cache_q)
{
}" ;;