Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-core.c Create Date:2022-07-28 16:59:21
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:lk_set_pm_only - increment pm_only counter*@q: request queue pointer

Proto:void blk_set_pm_only(struct request_queue *q)

Type:void

Parameter:

TypeParameterName
struct request_queue *q
293  atomic_inc( & * Number of contexts that have called blk_set_pm_only(). If this * counter is above zero then only RQF_PM and RQF_PREEMPT requests are * processed.)
Caller
NameDescribe
blk_pre_runtime_suspendlk_pre_runtime_suspend - Pre runtime suspend check*@q: the queue of the device* Description:* This function will check if runtime suspend is allowed for the device* by examining if there are any requests pending in the queue