[GIT PULL] convert DRBD to REQ_FLUSH/FUA

[Philipp Reisner]

Hi Jens,

Christoph Hellwig pointed out that drbd is the only driver
that still uses/supports barriers instead of FUE in linux-next.

I revitalized three patches that remove the barrier bits from DRBD...

The following changes since commit 8825f7c3e5c7b251b49fc594658a96f59417ee16:

  drbd: Silenced an assert (2010-10-22 15:55:22 +0200)

are available in the git repository at:
  git://git.drbd.org/linux-2.6-drbd.git for-jens

Philipp Reisner (3):
      drbd: Removed the BIO_RW_BARRIER support form the receiver/epoch code
      drbd: REQ_HARDBARRIER -> REQ_FUA transition for meta data accesses
      drbd: Removed checks for REQ_HARDBARRIER on incomming BIOs

 drivers/block/drbd/drbd_actlog.c   |   16 +---
 drivers/block/drbd/drbd_int.h      |   20 +---
 drivers/block/drbd/drbd_main.c     |    7 +-
 drivers/block/drbd/drbd_nl.c       |    8 +-
 drivers/block/drbd/drbd_proc.c     |    1 -
 drivers/block/drbd/drbd_receiver.c |  212 +++++-------------------------------
 drivers/block/drbd/drbd_req.c      |   14 ---
 drivers/block/drbd/drbd_worker.c   |   21 ----
 8 files changed, 40 insertions(+), 259 deletions(-)
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