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Source Code:block\blk-mq.c |
Create Date:2022-07-27 18:45:13 |
| Last Modify:2020-03-17 23:18:05 | Copyright©Brick |
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函数名称：blk_mq_run_hw_queue
函数原型：void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async)
返回类型：void
参数：
| 类型 | 参数 | 名称 |
|---|---|---|
| struct blk_mq_hw_ctx * | hctx | |
| bool | async |
| 1468 | need_run等于非blk_queue_quiesced(@queue: Pointer to the request queue that owns this hardware context.)且Check if any of the ctx, dispatch list or elevator* have pending work in this hardware queue. |
| 1470 | hctx_unlock(hctx, srcu_idx) |
| 1472 | 如果need_run则__blk_mq_delay_run_hw_queue(hctx, async, 0) |
| 名称 | 描述 |
|---|---|
| blk_mq_dispatch_wake | |
| blk_mq_dispatch_rq_list | Returns true if we did some work AND can potentially do more. |
| blk_mq_run_hw_queues | |
| blk_mq_start_hw_queue | |
| blk_mq_start_stopped_hw_queue | |
| blk_mq_request_bypass_insert | Should only be used carefully, when the caller knows we want to* bypass a potential IO scheduler on the target device. |
| blk_mq_make_request | |
| blk_mq_hctx_notify_dead | 'cpu' is going away. splice any existing rq_list entries from this* software queue to the hw queue dispatch list, and ensure that it* gets run. |
| blk_mq_get_tag | |
| blk_mq_sched_restart | |
| blk_mq_sched_insert_request | |
| blk_mq_sched_insert_requests | |
| kyber_domain_wake |
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