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 19:19:33
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__tg_last_low_overflow_time

函数原型：static unsigned long __tg_last_low_overflow_time(struct throtl_grp *tg)

返回类型：unsigned long

参数：

类型参数名称
struct throtl_grp *tg
1785  rtime等于jiffies, wtime等于jiffies
1787  如果 internally used bytes per second rate limits [generic data direction definitions ][LIMIT_LOW]或 internally used IOPS limits [generic data direction definitions ][LIMIT_LOW]则rtime等于last_low_overflow_time[generic data direction definitions ]
1789  如果 internally used bytes per second rate limits [WRITE][LIMIT_LOW]或 internally used IOPS limits [WRITE][LIMIT_LOW]则wtime等于last_low_overflow_time[WRITE]
1791  返回:两数取小(rtime, wtime)
调用者
名称描述
tg_last_low_overflow_timeg should not be an intermediate node
throtl_upgrade_check