blk_mq_sched_insert_requests

Name:blk_mq_sched_insert_requests

Proto:void blk_mq_sched_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, struct list_head *list, bool run_queue_async)

Type:void

Parameter:

Type	Parameter	Name
struct blk_mq_hw_ctx *	hctx
struct blk_mq_ctx *	ctx
struct list_head *	list
bool	run_queue_async

418

q = @queue: Pointer to the request queue that owns this hardware context.

425

percpu_ref_get - increment a percpu refcount*@ref: percpu_ref to get* Analagous to atomic_long_inc().* This function is safe to call as long as @ref is between init and exit.

427

428

If e && insert_requests Then insert_requests(hctx, list, false)

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Else

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If Not @dispatch_busy: Number used by blk_mq_update_dispatch_busy() to* decide if the hw_queue is busy using Exponential Weighted Moving* Average algorithm. && Not e && Not run_queue_async Then

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blk_mq_try_issue_list_directly(hctx, list)

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If list_empty - tests whether a list is empty*@head: the list to test. Then Go to out

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blk_mq_insert_requests(hctx, ctx, list)

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blk_mq_run_hw_queue(hctx, run_queue_async)

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out :

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percpu_ref_put - decrement a percpu refcount*@ref: percpu_ref to put* Decrement the refcount, and if 0, call the release function (which was passed* to percpu_ref_init())* This function is safe to call as long as @ref is between init and exit.

**Caller**
Name	Describe
blk_mq_flush_plug_list

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