block ioctl cleanups

[Christoph Hellwig]

Hi Jens,

this series has a bunch of cleanups for the block layer ioctl code.

Diffstat:
 block/genhd.c                     |    7 ----
 block/ioctl.c                     |   62 ++++++--------------------------------
 drivers/block/loop.c              |    2 -
 drivers/block/mtip32xx/mtip32xx.c |   11 +-----
 drivers/block/pktcdvd.c           |    6 ++-
 drivers/block/rbd.c               |   41 ++-----------------------
 drivers/md/bcache/request.c       |    5 +--
 drivers/md/dm.c                   |    5 ++-
 drivers/md/md.c                   |   62 +++++++++++++++++++-------------------
 drivers/mtd/mtd_blkdevs.c         |   28 -----------------
 drivers/s390/block/dasd.c         |    1 
 drivers/s390/block/dasd_int.h     |    3 +
 drivers/s390/block/dasd_ioctl.c   |   27 +++++-----------
 include/linux/blkdev.h            |    3 -
 include/linux/genhd.h             |    1 
 15 files changed, 73 insertions(+), 191 deletions(-)