函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\time.c Create Date:2022-07-27 11:38:11
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：jiffies_to_usecs

函数原型：unsigned int jiffies_to_usecs(const unsigned long j)

返回类型：unsigned int

参数：

类型参数名称
const unsigned longj
397  BUILD_BUG_ON - break compile if a condition is true(HZ > USEC_PER_SEC)
400  返回:USEC_PER_SEC除HZ乘j
调用者
名称描述
__usecs_to_jiffies
congestion_waitgestion_wait - wait for a backing_dev to become uncongested*@sync: SYNC or ASYNC IO*@timeout: timeout in jiffies* Waits for up to @timeout jiffies for a backing_dev (any backing_dev) to exit* write congestion
wait_iff_congestedwait_iff_congested - Conditionally wait for a backing_dev to become uncongested or a pgdat to complete writes*@sync: SYNC or ASYNC IO*@timeout: timeout in jiffies* In the event of a congested backing_dev (any backing_dev) this waits* for up to @timeout