kfifo_dma_in_finish(9) centos man page | unix.com

KFIFO_DMA_IN_FINISH(9)						    FIFO Buffer 					    KFIFO_DMA_IN_FINISH(9)

NAME
       kfifo_dma_in_finish - finish a DMA IN operation

SYNOPSIS
       kfifo_dma_in_finish(fifo, len);

ARGUMENTS
       fifo
	   address of the fifo to be used

       len
	   number of bytes to received

DESCRIPTION
       This macro finish a DMA IN operation. The in counter will be updated by the len parameter. No error checking will be done.

       Note that with only one concurrent reader and one concurrent writer, you don't need extra locking to use these macros.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						    KFIFO_DMA_IN_FINISH(9)