Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-mq.c Create Date:2022-07-28 17:11:06
Last Modify:2020-03-17 23:18:05 Copyright©Brick
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Name:blk_mq_init_cpu_queues

Proto:static void blk_mq_init_cpu_queues(struct request_queue *q, unsigned int nr_hw_queues)

Type:void

Parameter:

TypeParameterName
struct request_queue *q
unsigned intnr_hw_queues
2376  set = tag_set
2379  for_each_possible_cpu(i)
2380  __ctx = per_cpu_ptr( sw queues , i)
2384  cpu = i
2385  Process spin lock initialization( & lock)
2386  When k < HCTX_MAX_TYPES cycle Initialization list head
2389  queue = q
2395  When j < nr_maps cycle
2396  hctx = lk_mq_map_queue_type() - map (hctx_type,cpu) to hardware queue*@q: request queue*@type: the hctx type index*@cpu: CPU
2397  If nr_hw_queues > 1 && @numa_node: NUMA node the storage adapter has been connected to. == NUMA_NO_NODE Then @numa_node: NUMA node the storage adapter has been connected to. = local_memory_node(cpu_to_node(i))
Caller
NameDescribe
blk_mq_init_allocated_queue