kfifo_out_spinlocked(9) centos man page | unix.com

KFIFO_OUT_SPINLOCKED(9) 					    FIFO Buffer 					   KFIFO_OUT_SPINLOCKED(9)

NAME
       kfifo_out_spinlocked - get data from the fifo using a spinlock for locking

SYNOPSIS
       kfifo_out_spinlocked(fifo, buf, n, lock);

ARGUMENTS
       fifo
	   address of the fifo to be used

       buf
	   pointer to the storage buffer

       n
	   max. number of elements to get

       lock
	   pointer to the spinlock to use for locking

DESCRIPTION
       This macro get the data from the fifo and return the numbers of elements copied.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   KFIFO_OUT_SPINLOCKED(9)