block fixes for 3.3 final

Hi Linus,

Been sitting on this for a while, but lets get this out the door. This fixes various important bugs for 3.3 final, along with a few more trivial ones. Please pull!

git://git.kernel.dk/linux-block.git for-linus

Alan Stern (1):
Block: use a freezable workqueue for disk-event polling

Dan Carpenter (1):
block, sx8: fix pointer math issue getting fw version

Danny Kukawka (2):
drivers/block/DAC960: fix DAC960_V2_IOCTL_Opcode_T -Wenum-compare warning drivers/block/DAC960: fix -Wuninitialized warning

Jun'ichi Nomura (1):
block: Fix NULL pointer dereference in sd_revalidate_disk

Muthukumar R (1):
block: Fix setting bio flags in drivers (sd_dif/floppy)

Stanislaw Gruszka (1):
block: fix __blkdev_get and add_disk race condition

Tejun Heo (3):
block: replace icq->changed with icq->flags
block: simplify ioc_release_fn()
block: exit_io_context() should call elevator_exit_icq_fn()

Xiaotian Feng (1):
block: fix ioc leak in put_io_context

 block/blk-ioc.c           |  135 +++++++++++++++++++++++++++++----------------
 block/cfq-iosched.c       |   12 ++--
 block/genhd.c             |   42 ++++++++------
 block/partition-generic.c |   48 +++++++++++++---
 drivers/block/DAC960.c    |   18 +++---
 drivers/block/floppy.c    |    2 +-
 drivers/block/sx8.c       |    2 +-
 drivers/scsi/sd_dif.c     |    2 +-
 fs/block_dev.c            |   16 ++++--
 include/linux/genhd.h     |    1 +
 include/linux/iocontext.h |   10 +++-
 include/linux/workqueue.h |    4 ++
 kernel/workqueue.c        |    7 ++-
 13 files changed, 201 insertions(+), 98 deletions(-)

Jens Axboe