Function report |
Source Code:block\bfq-iosched.c |
Create Date:2022-07-28 17:56:50 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:bfq_dispatch_request
Proto:static struct request *bfq_dispatch_request(struct blk_mq_hw_ctx *hctx)
Type:struct request
Parameter:
Type | Parameter | Name |
---|---|---|
struct blk_mq_hw_ctx * | hctx |
4795 | bfqd = elevator_data |
4800 | spin_lock_irq( & lock) |
4805 | rq = __bfq_dispatch_request(hctx) |
4807 | idle_timer_disabled = waiting_rq && Not bfq_bfqq_wait_request(in_serv_queue) |
4810 | spin_unlock_irq( & lock) |
4812 | bfq_update_dispatch_stats(@queue: Pointer to the request queue that owns this hardware context., rq, in_serv_queue, idle_timer_disabled) |
4815 | Return rq |
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