Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-iolatency.c Create Date:2022-07-28 17:45:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:iolatency_clear_scaling

Proto:static void iolatency_clear_scaling(struct blkcg_gq *blkg)

Type:void

Parameter:

TypeParameterName
struct blkcg_gq *blkg
771  If all non-root blkcg_gq's are guaranteed to have access to parent Then
772  iolat = blkg_to_lat( all non-root blkcg_gq's are guaranteed to have access to parent )
774  If Not iolat Then Return
777  lat_info = child_lat
778  spin_lock( & lock)
779  atomic_set( & Cookie to tell if we need to scale up or down. , DEFAULT_SCALE_COOKIE)
780  Last time we adjusted the scale of everybody. = 0
781  The guy who actually changed the latency numbers. = NULL
782  The latency that we missed. = 0
783  spin_unlock( & lock)
Caller
NameDescribe
iolatency_set_limit
iolatency_pd_offline