linux-kernel - [GIT PULL v2] Block IO poll support

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Message-ID: <20151110172711.GA3244@kernel.dk>
Date:	Tue, 10 Nov 2015 10:27:11 -0700
From:	Jens Axboe <axboe@...com>
To:	<torvalds@...uxfoundation.org>
CC:	<linux-kernel@...r.kernel.org>
Subject: [GIT PULL v2] Block IO poll support

Hi Linus,

Committed a fix to this branch, so re-sending since the diffstat has now
changed. The fix is actually a double fix, so it both fixes a missing
assignment that bit us in the butt on btrfs, but also a potential
use-after-free (very rare).

Please pull!


  git://git.kernel.dk/linux-block.git for-4.4/io-poll


----------------------------------------------------------------
Jens Axboe (6):
      block: change ->make_request_fn() and users to return a queue cookie
      blk-mq: return tag/queue combo in the make_request_fn handlers
      block: add block polling support
      NVMe: add blk polling support
      directio: add block polling support
      direct-io: be sure to assign dio->bio_bdev for both paths

 arch/m68k/emu/nfblock.c                     |  3 +-
 arch/powerpc/sysdev/axonram.c               |  5 ++-
 arch/xtensa/platforms/iss/simdisk.c         |  3 +-
 block/blk-core.c                            | 67 ++++++++++++++++++++++++-----
 block/blk-mq-sysfs.c                        | 10 +++++
 block/blk-mq.c                              | 59 +++++++++++++++----------
 block/blk-sysfs.c                           | 35 +++++++++++++++
 drivers/block/brd.c                         |  5 ++-
 drivers/block/drbd/drbd_int.h               |  2 +-
 drivers/block/drbd/drbd_req.c               |  3 +-
 drivers/block/null_blk.c                    |  3 +-
 drivers/block/pktcdvd.c                     |  9 ++--
 drivers/block/ps3vram.c                     |  6 ++-
 drivers/block/rsxx/dev.c                    |  5 ++-
 drivers/block/umem.c                        |  4 +-
 drivers/block/zram/zram_drv.c               |  5 ++-
 drivers/lightnvm/rrpc.c                     |  9 ++--
 drivers/md/bcache/request.c                 | 11 +++--
 drivers/md/dm.c                             |  6 +--
 drivers/md/md.c                             |  8 ++--
 drivers/nvdimm/blk.c                        |  3 +-
 drivers/nvdimm/btt.c                        |  3 +-
 drivers/nvdimm/pmem.c                       |  3 +-
 drivers/nvme/host/pci.c                     | 32 ++++++++++++--
 drivers/s390/block/dcssblk.c                |  8 ++--
 drivers/s390/block/xpram.c                  |  5 ++-
 drivers/staging/lustre/lustre/llite/lloop.c |  5 ++-
 fs/direct-io.c                              | 14 ++++--
 include/linux/blk-mq.h                      | 10 +++++
 include/linux/blk_types.h                   | 24 +++++++++++
 include/linux/blkdev.h                      |  7 ++-
 include/linux/fs.h                          |  2 +-
 include/linux/lightnvm.h                    |  2 +-
 33 files changed, 286 insertions(+), 90 deletions(-)

-- 
Jens Axboe

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