函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\kfifo.c Create Date:2022-07-27 07:21:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:__kfifo_poke_n internal helper function for storeing the length of* the record into the fifo

函数原型:static void __kfifo_poke_n(struct __kfifo *fifo, unsigned int n, size_t recsize)

返回类型:void

参数:

类型参数名称
struct __kfifo *fifo
unsigned intn
size_trecsize
423  mask等于mask
424  data等于data
426  __KFIFO_POKE(data, in, mask, n)
428  如果recsize大于1则__KFIFO_POKE(data, in + 1, mask, n >> 8)
调用者
名称描述
__kfifo_in_r
__kfifo_from_user_r
__kfifo_dma_in_finish_r