linux-kernel - [GIT PULL] Block fixes for 4.3-rc4

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Message-ID: <20151002143618.GA11230@kernel.dk>
Date:	Fri, 2 Oct 2015 16:36:18 +0200
From:	Jens Axboe <axboe@...com>
To:	<torvalds@...uxfoundation.org>
CC:	<linux-kernel@...r.kernel.org>
Subject: [GIT PULL] Block fixes for 4.3-rc4

Hi Linus,

Another week, another round of fixes. These have been brewing for a bit
and in various iterations, but I feel pretty comfortable about the
quality of them. They fix real issues. The pull request is mostly blk-mq
related, and the only one not fixing a real bug, is the tag iterator
abstraction from Christoph. But it's pretty trivial, and we'll need it
for another fix soon.

Apart from the blk-mq fixes, there's an NVMe affinity fix from Keith,
and a single fix for xen-blkback from Roger fixing failure to free
requests on disconnect.

Please pull!


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


----------------------------------------------------------------
Akinobu Mita (6):
      blk-mq: avoid setting hctx->tags->cpumask before allocation
      blk-mq: fix sysfs registration/unregistration race
      blk-mq: Fix use after of free q->mq_map
      blk-mq: fix q->mq_usage_counter access race
      blk-mq: avoid inserting requests before establishing new mapping
      blk-mq: fix deadlock when reading cpu_list

Christoph Hellwig (2):
      blk-mq: fix racy updates of rq->errors
      blk-mq: factor out a helper to iterate all tags for a request_queue

Jens Axboe (1):
      Merge branch 'stable/for-jens-4.3' of git://git.kernel.org/.../konrad/xen into for-linus

Keith Busch (1):
      NVMe: Set affinity after allocating request queues

Roger Pau Monne (1):
      xen/blkback: free requests on disconnection

 block/blk-mq-cpumap.c              |   9 +--
 block/blk-mq-sysfs.c               |  34 +++++++----
 block/blk-mq-tag.c                 |  27 ++++++---
 block/blk-mq-tag.h                 |   2 +
 block/blk-mq.c                     | 118 ++++++++++++++++++++++++-------------
 block/blk-mq.h                     |   3 +-
 drivers/block/loop.c               |  11 ++--
 drivers/block/null_blk.c           |   2 +-
 drivers/block/nvme-core.c          |  52 ++++++++--------
 drivers/block/virtio_blk.c         |   2 +-
 drivers/block/xen-blkback/xenbus.c |  38 ++++++------
 drivers/block/xen-blkfront.c       |  19 +++---
 drivers/scsi/scsi_lib.c            |   2 +-
 include/linux/blk-mq.h             |   5 +-
 include/linux/blkdev.h             |   2 +
 15 files changed, 193 insertions(+), 133 deletions(-)

-- 
Jens Axboe

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