Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bfq-iosched.c Create Date:2022-07-28 17:56:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:If the in-service queue is empty but the function bfq_better_to_idle* returns true, then:* 1) the queue must remain in service and cannot be expired, and* 2) the device must be idled to wait for the possible arrival of a new* request for the queue

Proto:static bool bfq_bfqq_must_idle(struct bfq_queue *bfqq)

Type:bool

Parameter:

TypeParameterName
struct bfq_queue *bfqq
4233  Return RB_EMPTY_ROOT( & sorted list of pending requests ) && For a queue that becomes empty, device idling is allowed only if* this function returns true for that queue
Caller
NameDescribe
bfq_select_queueSelect 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_completed_request