linux-kernel - [GIT PULL] block IO bits for 3.7

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Date:	Wed, 10 Oct 2012 15:39:34 -0600
From:	Jens Axboe <jaxboe@...ionio.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] block IO bits for 3.7

Hi Linus,

Please find below the pull request for the core block IO bits for
3.7. Not a huge round this time, it contains:

- First series from Kent cleaning up and generalizing bio allocation
  and freeing.

- WRITE_SAME support from Martin.

- Mikulas patches to prevent O_DIRECT crashes when someone changes
  the block size of a device.

- Make bio_split() work on data-less bio's (like trim/discards).

- A few other minor fixups.

Please pull. Do note that it will merge cleanly into the current master
(as of right now), but the end-result wont compile due to the prio-tree
removal and change in the vm. You will get an error ala:

  CC      fs/block_dev.o
fs/block_dev.c: In function ‘set_blocksize’:
fs/block_dev.c:135:2: error: implicit declaration of function ‘prio_tree_empty’ [-Werror=implicit-function-declaration]

I've attached a patch from Andrew to fix that up, I'm guessing you
prefer that rather than me merging master into for-3.7/core at this
point.


  git://git.kernel.dk/linux-block.git for-3.7/core

----------------------------------------------------------------
Dave Reisner (1):
      block: reject invalid queue attribute values

Fengguang Wu (1):
      fs/block_dev.c:1644:5: sparse: symbol 'blkdev_mmap' was not declared

Jaehoon Chung (1):
      block: remove the duplicated setting for congestion_threshold

Jens Axboe (1):
      fs: fix include/percpu-rwsem.h export error

Kent Overstreet (8):
      block: Generalized bio pool freeing
      block: Ues bi_pool for bio_integrity_alloc()
      dm: Use bioset's front_pad for dm_rq_clone_bio_info
      block: Add bio_reset()
      pktcdvd: Switch to bio_kmalloc()
      block: Kill bi_destructor
      block: Consolidate bio_alloc_bioset(), bio_kmalloc()
      block: Add bio_clone_bioset(), bio_clone_kmalloc()

Martin K. Petersen (5):
      block: Clean up special command handling logic
      block: Consolidate command flag and queue limit checks for merges
      block: Implement support for WRITE SAME
      block: Make blkdev_issue_zeroout use WRITE SAME
      block: ioctl to zero block ranges

Maxim Levitsky (2):
      scatterlist: add sg_nents
      scatterlist: refactor the sg_nents

Mikulas Patocka (3):
      Fix a crash when block device is read and block size is changed at the same time
      blockdev: turn a rw semaphore into a percpu rw semaphore
      percpu-rw-semaphore: fix documentation typos

Peter Senna Tschudin (1):
      block/blk-tag.c: Remove useless kfree

Shaohua Li (1):
      block: makes bio_split support bio without data

Tejun Heo (2):
      block: lift the initial queue bypass mode on blk_register_queue() instead of blk_init_allocated_queue()
      block: fix request_queue->flags initialization

 Documentation/ABI/testing/sysfs-block |   14 ++
 Documentation/block/biodoc.txt        |    5 -
 Documentation/percpu-rw-semaphore.txt |   27 ++++
 block/blk-core.c                      |   51 ++++----
 block/blk-lib.c                       |  104 ++++++++++++++-
 block/blk-merge.c                     |   53 +++-----
 block/blk-settings.c                  |   16 +++
 block/blk-sysfs.c                     |   44 ++++++-
 block/blk-tag.c                       |    6 +-
 block/blk.h                           |    5 +-
 block/elevator.c                      |    6 +-
 block/ioctl.c                         |   27 ++++
 drivers/block/drbd/drbd_main.c        |   13 +-
 drivers/block/osdblk.c                |    3 +-
 drivers/block/pktcdvd.c               |   52 +-------
 drivers/char/raw.c                    |    2 +-
 drivers/md/dm-crypt.c                 |   16 +--
 drivers/md/dm-io.c                    |   11 --
 drivers/md/dm.c                       |   74 ++++-------
 drivers/md/md.c                       |   44 +------
 drivers/md/raid0.c                    |    1 +
 drivers/target/target_core_iblock.c   |    9 --
 fs/bio-integrity.c                    |   44 +++----
 fs/bio.c                              |  231 +++++++++++++++------------------
 fs/block_dev.c                        |   69 +++++++++-
 fs/exofs/ore.c                        |    5 +-
 include/linux/bio.h                   |   70 +++++++---
 include/linux/blk_types.h             |   36 +++--
 include/linux/blkdev.h                |   82 ++++++++++--
 include/linux/fs.h                    |    6 +
 include/linux/percpu-rwsem.h          |   89 +++++++++++++
 include/linux/scatterlist.h           |    1 +
 lib/scatterlist.c                     |   19 +++
 33 files changed, 771 insertions(+), 464 deletions(-)
 create mode 100644 Documentation/percpu-rw-semaphore.txt
 create mode 100644 include/linux/percpu-rwsem.h


-- 
Jens Axboe


View attachment "prio-tree-fixup.patch" of type "text/x-patch" (915 bytes)