* [PATCH] blk-mq: remove unnecessary variables in blk_mq_init_cpu_queues
@ 2022-06-24 3:30 Liu Song
0 siblings, 0 replies; only message in thread
From: Liu Song @ 2022-06-24 3:30 UTC (permalink / raw)
To: axboe; +Cc: linux-block, linux-kernel
From: Liu Song <liusong@linux.alibaba.com>
Remove unnecessary variables and adjust code style to be the same as
other functions in blk-mq.c, no functional modification involved.
Signed-off-by: Liu Song <liusong@linux.alibaba.com>
---
block/blk-mq.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index e9bf950..c71119d 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -3579,19 +3579,18 @@ static void blk_mq_init_cpu_queues(struct request_queue *q,
unsigned int nr_hw_queues)
{
struct blk_mq_tag_set *set = q->tag_set;
+ struct blk_mq_ctx *ctx;
+ struct blk_mq_hw_ctx *hctx;
unsigned int i, j;
for_each_possible_cpu(i) {
- struct blk_mq_ctx *__ctx = per_cpu_ptr(q->queue_ctx, i);
- struct blk_mq_hw_ctx *hctx;
- int k;
-
- __ctx->cpu = i;
- spin_lock_init(&__ctx->lock);
- for (k = HCTX_TYPE_DEFAULT; k < HCTX_MAX_TYPES; k++)
- INIT_LIST_HEAD(&__ctx->rq_lists[k]);
+ ctx = per_cpu_ptr(q->queue_ctx, i);
+ ctx->cpu = i;
+ ctx->queue = q;
- __ctx->queue = q;
+ spin_lock_init(&ctx->lock);
+ for (j = HCTX_TYPE_DEFAULT; j < HCTX_MAX_TYPES; j++)
+ INIT_LIST_HEAD(&ctx->rq_lists[j]);
/*
* Set local node, IFF we have more than one hw queue. If
--
1.8.3.1
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2022-06-24 3:30 [PATCH] blk-mq: remove unnecessary variables in blk_mq_init_cpu_queues Liu Song
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