bfq_bfqq_wait_request

Name:bfq_bfqq_wait_request

Proto:int bfq_bfqq_wait_request(const struct bfq_queue *bfqq)

Type:int

Parameter:

Type	Parameter	Name
const struct bfq_queue *	bfqq

150

Return If __builtin_constant_p( waiting for a request ) Then constant_test_bit(( waiting for a request ), ( & status flags )) Else variable_test_bit(( waiting for a request ), ( & status flags ))

**Caller**
Name	Describe
bfq_may_expire_for_budg_timeout	If we expire a queue that is actively waiting (i.e., with the* device idled) for the arrival of a new request, then we may incur* the timestamp misalignment problem described in the body of the* function __bfq_activate_entity
bfq_choose_bfqq_for_injection	This function chooses the queue from which to pick the next extra* I/O request to inject, if it finds a compatible queue
bfq_select_queue	Select a queue for service. If we have a current queue in service,* check whether to continue servicing it, or retrieve and set a new one.
bfq_dispatch_request
bfq_rq_enqueued	Called when a new fs request (rq) is added to bfqq. Check if there's* something we should do about it.
__bfq_insert_request	rns true if it causes the idle timer to be disabled

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