Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\blk-cgroup.h Create Date:2022-07-28 05:57:14
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:blkcg_clear_delay

Proto:static inline void blkcg_clear_delay(struct blkcg_gq *blkg)

Type:void

Parameter:

TypeParameterName
struct blkcg_gq *blkg
675  old = atomic_read( & use_delay)
676  If Not old Then Return
679  When old cycle
680  cur = atomic_cmpxchg( & use_delay, old, 0)
681  If cur == old Then
682  atomic_dec( & If there is block congestion on this cgroup. )
683  Break
685  old = cur
Caller
NameDescribe
check_scale_changeCheck our parent and see if the scale cookie has changed.
iolatency_set_min_lat_nsecrn 1 for enabling iolatency, return -1 for disabling iolatency, otherwise* return 0.
iocg_kick_delay