Name
kfifo_out —
get data from the fifo
Synopsis
kfifo_out ( | fifo, |
| | buf, |
| | n); |
Arguments
fifo
address of the fifo to be used
buf
pointer to the storage buffer
n
max. number of elements to get
Description
This macro get some data from the fifo and return the numbers of elements
copied.
Note that with only one concurrent reader and one concurrent
writer, you don't need extra locking to use these macro.