函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\blk-cgroup.h Create Date:2022-07-27 06:56:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：blkcg_clear_delay

函数原型：static inline void blkcg_clear_delay(struct blkcg_gq *blkg)

返回类型：void

参数：

类型参数名称
struct blkcg_gq *blkg
675  old等于atomic_read( & use_delay)
676  如果非old则返回
679  当old循环
680  cur等于atomic_cmpxchg( & use_delay, old, 0)
681  如果cur恒等于old则
682  atomic_dec( & If there is block congestion on this cgroup. )
683  退出
685  old等于cur
调用者
名称描述
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