函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\locking\mutex.c Create Date:2022-07-27 10:47:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mutex_lock_io_nested

函数原型：void __sched mutex_lock_io_nested(struct mutex *lock, unsigned int subclass)

返回类型：void

参数：

类型参数名称
struct mutex *lock
unsigned intsubclass
1149  might_sleep()
1151  token等于io_schedule_prepare()
1152  Lock a mutex (possibly interruptible), slowpath:
1154  io_schedule_finish(token)