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__kfifo_get

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 don't need extra locking to use these functions.

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