函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-throttle.c Create Date:2022-07-27 19:17:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：throtl_pd_init

函数原型：static void throtl_pd_init(struct blkg_policy_data *pd)

返回类型：void

参数：

类型参数名称
struct blkg_policy_data *pd
536  tg等于pd_to_tg(pd)
537  blkg等于tg_to_blkg(tg)
538  td等于 Throttle data
539  sq等于 this group's service queue
554  the parent service_queue 等于 service tree for active throtl groups
555  如果cgroup_subsys_on_dfl - fast test on whether a subsys is on default hierarchy*@ss: subsystem in question(io_cgrp_subsys)且 all non-root blkcg_gq's are guaranteed to have access to parent 则 the parent service_queue 等于 this group's service queue
557  throtl_data this group belongs to 等于td