__KFIFO_PUT(9) FIFO Buffer __KFIFO_PUT(9)NAME
__kfifo_put - puts some data into the FIFO, no locking version
SYNOPSIS
unsigned int __kfifo_put(struct kfifo * fifo,
const unsigned char * buffer,
unsigned int len);
ARGUMENTS
fifo
the fifo to be used.
buffer
the data to be added.
len
the length of the data to be added.
DESCRIPTION
This function copies at most len bytes from the buffer into the FIFO
depending on the free space, and returns the number of bytes copied.
Note that with only one concurrent reader and one concurrent writer,
you donĀ“t need extra locking to use these functions.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 __KFIFO_PUT(9)