tree 09cef2a043af96491497db380abe89af2aee5176
parent 64ce1037c5434b1d036cd99ecaee6e00496bc2e9
author Andi Kleen <andi@firstfloor.org> 1263603676 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1263672938 -0800

kfifo: add kfifo_out_peek

In some upcoming code it's useful to peek into a FIFO without permanentely
removing data.  This patch implements a new kfifo_out_peek() to do this.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Stefani Seibold <stefani@seibold.net>
Cc: Roland Dreier <rdreier@cisco.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Andy Walls <awalls@radix.net>
Cc: Vikram Dhillon <dhillonv10@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>