__kfifo_get(9)
NAME
__kfifo_get - gets some data from the FIFO, no locking version
SYNOPSIS
unsigned int __kfifo_get(struct kfifo * fifo, unsigned char * buffer,
unsigned int len);
ARGUMENTS
- fifo
- the fifo to be used.
- buffer
- where the data must be copied.
- len
- the size of the destination buffer.
DESCRIPTION
This function copies at most len bytes from the FIFO into the buffer
and returns the number of copied bytes.
Note that with only one concurrent reader and one concurrent writer,
you donīt need extra locking to use these functions.