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.