linux-kernel - [GIT PULL] Block fixes for 4.8-rc4

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Date:   Fri, 26 Aug 2016 09:16:10 -0600
From:   Jens Axboe <axboe@...com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] Block fixes for 4.8-rc4

Hi Linus,

Here's a set of block fixes for the current 4.8-rc release. This pull
request contains:

- A fix for a secure erase regression, from Adrian.

- A fix for an mmc use-after-free bug regression, also from Adrian.

- Potential zero pointer deference in bdev freezing, from Andrey.

- A race fix for blk_set_queue_dying() from Bart.

- A set of xen blkfront fixes from Bob Liu.

- Three small fixes for bcache, from Eric and Kent.

- A fix for a potential invalid NVMe state transition, from Gabriel.

- blk-mq CPU offline fix, preventing us from issuing and completing
   a request on the wrong queue. From me.

- Revert two previous floppy changes, since they caused a user visibile
   regression. A better fix is in the works.

- Ensure that we don't send down bios that have more than 256 elements
   in them. Fixes a crash with bcache, for example. From Ming.

- A fix for deferencing an error pointer with cgroup writeback. Fixes
   a regression. From Vegard.

Please pull for 4.8-rc4! Thanks.


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


----------------------------------------------------------------
Adrian Hunter (2):
       block: Fix secure erase
       mmc: fix use-after-free of struct request

Andrey Ryabinin (1):
       fs/block_dev: fix potential NULL ptr deref in freeze_bdev()

Andy Lutomirski (1):
       nvme: Fix nvme_get/set_features() with a NULL result pointer

Bart Van Assche (1):
       block: Fix race triggered by blk_set_queue_dying()

Bob Liu (3):
       xen-blkfront: fix places not updated after introducing 64KB page 
granularity
       xen-blkfront: introduce blkif_set_queue_limits()
       xen-blkfront: free resources if xlvbd_alloc_gendisk fails

Eric Wheeler (2):
       bcache: register_bcache(): call blkdev_put() when cache_alloc() fails
       bcache: pr_err: more meaningful error message when nr_stripes is 
invalid

Gabriel Krisman Bertazi (1):
       nvme: Prevent controller state invalid transition

Jens Axboe (6):
       Merge branch 'stable/for-jens-4.8-for-linus' of 
git://git.kernel.org/.../konrad/xen into for-linus
       Merge branch 'v4.8-rc2-bcache-fixes' of 
https://bitbucket.org/ewheelerinc/linux into for-linus
       blk-mq: don't overwrite rq->mq_ctx
       blk-mq: improve warning for running a queue on the wrong CPU
       Revert "floppy: fix open(O_ACCMODE) for ioctl-only open"
       Revert "floppy: refactor open() flags handling"

Kent Overstreet (1):
       bcache: RESERVE_PRIO is too small by one when prio_buckets() is a 
power of two.

Ming Lei (1):
       block: make sure a big bio is split into at most 256 bvecs

Vegard Nossum (1):
       bdev: fix NULL pointer dereference

  block/bio.c                  | 21 +++++-----
  block/blk-core.c             |  4 +-
  block/blk-merge.c            | 55 ++++++++++++++++++-------
  block/blk-mq.c               | 60 +++++++++------------------
  block/elevator.c             |  2 +-
  drivers/block/floppy.c       | 27 ++++++------
  drivers/block/xen-blkfront.c | 97 
+++++++++++++++++++++++++-------------------
  drivers/md/bcache/super.c    | 14 +++++--
  drivers/mmc/card/block.c     |  5 ++-
  drivers/mmc/card/queue.c     |  7 +++-
  drivers/mmc/card/queue.h     |  4 +-
  drivers/nvme/host/core.c     | 11 +++--
  fs/block_dev.c               |  5 ++-
  include/linux/bio.h          | 10 ++++-
  include/linux/blkdev.h       |  6 ++-
  kernel/trace/blktrace.c      |  2 +-
  16 files changed, 188 insertions(+), 142 deletions(-)

-- 
Jens Axboe