函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-rq-qos.c Create Date:2022-07-27 19:07:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：rq_qos_wake_function

函数原型：static int rq_qos_wake_function(struct wait_queue_entry *curr, unsigned int mode, int wake_flags, void *key)

返回类型：int

参数：

类型参数名称
struct wait_queue_entry *curr
unsigned intmode
intwake_flags
void *key
215  data等于container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(curr, structrq_qos_wait_data, wq)
223  如果非cb(rqw, private_data)则返回:负1
226  got_token = true
227  smp_wmb()
228  删除链表项并重新初始化
229  唤醒中断线程
230  返回:1