[GIT PULL] Block fixes for 4.4 final

[Jens Axboe]

Hi Linus,

Three small fixes for 4.4 final. Specifically:

- The segment issue fix from Junichi, where the old IO path does a bio
  limit split before potentially bouncing the pages. We need to do that
  in the right order, to ensure that limitations are met.

- A NVMe surprise removal IO hang fix from Keith.

- A use-after-free in null_blk, introduced by a previous patch in this
  series. From Mike Krinkin.

Please pull!


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


----------------------------------------------------------------
Junichi Nomura (1):
      block: ensure to split after potentially bouncing a bio

Keith Busch (1):
      NVMe: IO ending fixes on surprise removal

Mike Krinkin (1):
      null_blk: fix use-after-free error

 block/blk-core.c         |  4 ++--
 drivers/block/null_blk.c |  6 +++---
 drivers/nvme/host/pci.c  | 20 +++++++++++++++++++-
 3 files changed, 24 insertions(+), 6 deletions(-)

-- 
Jens Axboe

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