linux-kernel - [GIT PULL] Block fixes for 4.4-rc2

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Date:	Tue, 24 Nov 2015 09:32:02 -0700
From:	Jens Axboe <axboe@...com>
To:	<torvalds@...uxfoundation.org>
CC:	<linux-kernel@...r.kernel.org>, <linux-block@...r.kernel.org>
Subject: [GIT PULL] Block fixes for 4.4-rc2

Hi Linus,

A round of fixes/updates for the current series. This looks a little
bigger than it is, but that's mainly because we pushed the lightnvm
enabled null_blk change out of the merge window so it could be updated a
bit. The rest of the volume is also mostly lightnvm. In particular:

- Lightnvm. Various fixes, additions, updates from Matias and Javier, as
  well as from Wenwei Tao.

- NVMe:
        - Fix for potential arithmetic overflow from Keith.
        - Also from Keith, ensure that we reap pending completions from
          a completion queue before deleting it. Fixes kernel crashes
          when resetting a device with IO pending.
        - Various little lightnvm related tweaks from Matias.

- Fixup flushes to go through the IO scheduler, for the cases where a
  flush is not required. Fixes a case in CFQ where we would be idling
  and not see this request, hence not break the idling. From Jan Kara.

- Use list_{first,prev,next} in elevator.c for cleaner code. From Gelian
  Tang.

- Fix for a warning trigger on btrfs and raid on single queue blk-mq
  devices, where we would flush plug callbacks with preemption disabled.
  From me.

- A mac partition validation fix from Kees Cook.

- Two merge fixes from Ming, marked stable. A third part is adding a new
  warning so we'll notice this quicker in the future, if we screw up the
  accounting.

- Cleanup of thread name/creation in mtip32xx from Rasmus Villemoes.


Please pull the turkey fixes!


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


----------------------------------------------------------------
Geliang Tang (1):
      elevator: use list_{first,prev,next}_entry

Jan Kara (1):
      blk-flush: Queue through IO scheduler when flush not required

Javier Gonzalez (2):
      lightnvm: keep track of block counts
      lightnvm: add free and bad lun info to show luns

Javier González (1):
      lightnvm: cleanup queue before target removal

Jens Axboe (1):
      blk-mq: fix calling unplug callbacks with preempt disabled

Kees Cook (1):
      mac: validate mac_partition is within sector

Keith Busch (2):
      NVMe: Fix possible arithmetic overflow for max segments
      NVMe: reap completion entries when deleting queue

Matias Bjørling (17):
      MAINTAINERS: Add linux-block list to LightNVM for patches
      lightnvm: change max_phys_sect to uint
      lightnvm: update bad block table format
      lightnvm: update alignments for identify command
      lightnvm: expose mccap in identify command
      lightnvm: remove unused attrs in nvm_id structs
      lightnvm: check for NAND flash and its type
      lightnvm: prematurely activate nvm_dev
      lightnvm: prevent double free on init error
      lightnvm: remove linear and device addr modes
      nvme: missing ppaf copy
      nvme: remove reserved double word
      null_blk: register as a LightNVM device
      null_blk: use ppa_cache pool
      null_blk: use device addressing mode
      null_blk: do not del gendisk with lightnvm
      lightnvm: missing free on init error

Ming Lei (3):
      block: fix segment split
      blk-merge: fix blk_bio_segment_split
      blk-merge: warn if figured out segment number is bigger than nr_phys_segments

Rasmus Villemoes (1):
      mtip32xx: use formatting capability of kthread_create_on_node

Wenwei Tao (2):
      lightnvm: wrong return value and redundant free
      nvme: lightnvm: use admin queues for admin cmds

 Documentation/block/null_blk.txt  |   3 +
 MAINTAINERS                       |   1 +
 block/blk-flush.c                 |   2 +-
 block/blk-merge.c                 |  32 +++++-
 block/blk-mq.c                    |  14 ++-
 block/noop-iosched.c              |  10 +-
 block/partitions/mac.c            |  10 +-
 drivers/Makefile                  |   2 +-
 drivers/block/mtip32xx/mtip32xx.c |   6 +-
 drivers/block/null_blk.c          | 207 ++++++++++++++++++++++++++++++++++++--
 drivers/lightnvm/core.c           |  51 +++++-----
 drivers/lightnvm/gennvm.c         |  73 ++++++++++----
 drivers/lightnvm/gennvm.h         |   2 +
 drivers/lightnvm/rrpc.c           |  32 +++++-
 drivers/nvme/host/lightnvm.c      | 139 +++++++++++++++++++------
 drivers/nvme/host/pci.c           |   9 +-
 include/linux/lightnvm.h          | 176 ++++++++------------------------
 17 files changed, 525 insertions(+), 244 deletions(-)

-- 
Jens Axboe

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