linux-kernel - [GIT PULL] Core block changes for 4.6-rc

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Date:	Fri, 18 Mar 2016 10:12:12 -0700
From:	Jens Axboe <axboe@...com>
To:	<torvalds@...uxfoundation.org>
CC:	<linux-kernel@...r.kernel.org>, <linux-block@...r.kernel.org>
Subject: [GIT PULL] Core block changes for 4.6-rc

Hi Linus,

Here are the core block changes for this merge window. Not a lot of
exciting stuff going on in this round, most of the changes have been on
the driver side of things. That pull request is coming next. This pull
request contains:

- A set of fixes for chained bio handling from Christoph.

- A tag bounds check for blk-mq from Hannes, ensuring that we don't do
  something stupid if a device reports an invalid tag value.

- A set of fixes/updates for the CFQ IO scheduler from Jan Kara.

- A set of blk-mq fixes from Keith, adding support for dynamic hardware
  queues, and fixing init of max_dev_sectors for stacking devices.

- A fix for the dynamic hw context from Ming.

- Enabling of cgroup writeback support on a block device, from Shaohua.

Please pull!


  git://git.kernel.dk/linux-block.git for-4.6/core


----------------------------------------------------------------
Christoph Hellwig (4):
      block: don't unecessarily clobber bi_error for chained bios
      block: factor out chained bio completion
      block: cleanup bio_endio
      block: bio_remaining_done() isn't unlikely

Hannes Reinecke (1):
      blk-mq: add bounds check on tag-to-rq conversion

Jan Kara (4):
      cfq-iosched: Don't group_idle if cfqq has big thinktime
      cfq-iosched: Reorder checks in cfq_should_preempt()
      cfq-iosched: Allow sync noidle workloads to preempt each other
      cfq-iosched: Allow parent cgroup to preempt its child

Keith Busch (3):
      blk-mq: dynamic h/w context count
      block: Initialize max_dev_sectors to 0
      blk-mq: Fix NULL pointer updating nr_requests

Ming Lei (1):
      blk-mq: mark request queue as mq asap

Shaohua Li (1):
      block-dev: enable writeback cgroup support

 block/bio.c            |  50 +++++++-------
 block/blk-mq-sysfs.c   |   9 +--
 block/blk-mq.c         | 184 ++++++++++++++++++++++++++++++-------------------
 block/blk-mq.h         |   1 +
 block/blk-settings.c   |   4 +-
 block/cfq-iosched.c    |  43 +++++++++---
 fs/block_dev.c         |   6 +-
 include/linux/blk-mq.h |   2 +
 8 files changed, 187 insertions(+), 112 deletions(-)

-- 
Jens Axboe