This adds:

    From 338b609f8eb74537415e392c4749e99518832abb Mon Sep 17 00:00:00 2001
    From: Miguel Boton <Miguel.Boton@gmail.com>
    Date: Sat, 24 Nov 2012 23:10:05 -0500
    Subject: [PATCH] block: add simple io scheduler

    ---
     block/Kconfig.iosched    |   14 ++
     block/Makefile           |    2 +-
     block/sio-iosched.c      |  399 ++++++++++++++++++++++++++++++++++++++++++++++
     include/linux/elevator.h |    2 +
     4 files changed, 416 insertions(+), 1 deletion(-)
     create mode 100644 block/sio-iosched.c