From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/block/blk-mq-rdma.c | 22 +++++++---------------
1 files changed, 7 insertions(+), 15 deletions(-)
diff --git a/kernel/block/blk-mq-rdma.c b/kernel/block/blk-mq-rdma.c
index 996167f..14f968e 100644
--- a/kernel/block/blk-mq-rdma.c
+++ b/kernel/block/blk-mq-rdma.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2017 Sagi Grimberg.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
*/
#include <linux/blk-mq.h>
#include <linux/blk-mq-rdma.h>
@@ -16,8 +8,8 @@
/**
* blk_mq_rdma_map_queues - provide a default queue mapping for rdma device
- * @set: tagset to provide the mapping for
- * @dev: rdma device associated with @set.
+ * @map: CPU to hardware queue map.
+ * @dev: rdma device to provide a mapping for.
* @first_vec: first interrupt vectors to use for queues (usually 0)
*
* This function assumes the rdma device @dev has at least as many available
@@ -29,24 +21,24 @@
* @set->nr_hw_queues, or @dev does not provide an affinity mask for a
* vector, we fallback to the naive mapping.
*/
-int blk_mq_rdma_map_queues(struct blk_mq_tag_set *set,
+int blk_mq_rdma_map_queues(struct blk_mq_queue_map *map,
struct ib_device *dev, int first_vec)
{
const struct cpumask *mask;
unsigned int queue, cpu;
- for (queue = 0; queue < set->nr_hw_queues; queue++) {
+ for (queue = 0; queue < map->nr_queues; queue++) {
mask = ib_get_vector_affinity(dev, first_vec + queue);
if (!mask)
goto fallback;
for_each_cpu(cpu, mask)
- set->mq_map[cpu] = queue;
+ map->mq_map[cpu] = map->queue_offset + queue;
}
return 0;
fallback:
- return blk_mq_map_queues(set);
+ return blk_mq_map_queues(map);
}
EXPORT_SYMBOL_GPL(blk_mq_rdma_map_queues);
--
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