linux-kernel - [AIO] aio-next changes for 3.12

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Message-ID: <20130906183923.GD8598@kvack.org>
Date:	Fri, 6 Sep 2013 14:39:23 -0400
From:	Benjamin LaHaise <bcrl@...ck.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-aio@...ck.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [AIO] aio-next changes for 3.12

Hello Andrew,

Please consider pulling the following changes from my aio-next tree at:

	git://git.kvack.org/~bcrl/aio-next.git

which covers changes since commit 47188d39b5deeebf41f87a02af1b3935866364cf.

These changes have been baking in the linux-next tree for the last few 
months.  The bulk of this work comes from Kent Overstreet which reworks 
and improve performance of the AIO core and lays the foundation for his 
batch completion work.  Also included is Gu Zheng's cleanups of my work 
to enable page migration in the AIO core, which fixes hot unplug of 
memory pinned by AIO.  The last few patches are fixes by me for some of 
the issues uncovered in this change set during its testing.

		-ben

Benjamin LaHaise (8):
  aio: fix build when migration is disabled
  aio: double aio_max_nr in calculations
  aio: convert the ioctx list to table lookup v3
  aio: be defensive to ensure request batching is non-zero instead of
    BUG_ON()
  aio: fix error handling and rcu usage in "convert the ioctx list to
    table lookup v3"
  aio: table lookup: verify ctx pointer
  aio: remove unnecessary debugging from aio_free_ring()
  aio: fix rcu sparse warnings introduced by ioctx table lookup patch

Gu Zheng (2):
  fs/anon_inode: Introduce a new lib function
    anon_inode_getfile_private()
  fs/aio: Add support to aio ring pages migration

Kent Overstreet (9):
  aio: reqs_active -> reqs_available
  aio: percpu reqs_available
  aio: percpu ioctx refcount
  aio: io_cancel() no longer returns the io_event
  aio: Don't use ctx->tail unnecessarily
  aio: Kill aio_rw_vect_retry()
  aio: Kill unneeded kiocb members
  aio: Kill ki_users
  aio: Kill ki_dtor

Peng Tao (1):
  staging/lustre: kiocb->ki_left is removed

 drivers/staging/android/logger.c           |   2 +-
 drivers/staging/lustre/lustre/llite/file.c |   4 +-
 drivers/usb/gadget/inode.c                 |   9 +-
 fs/aio.c                                   | 713 ++++++++++++++++++-----------
 fs/anon_inodes.c                           |  66 +++
 fs/block_dev.c                             |   2 +-
 fs/nfs/direct.c                            |   1 -
 fs/ocfs2/file.c                            |   6 +-
 fs/read_write.c                            |   3 -
 fs/udf/file.c                              |   2 +-
 include/linux/aio.h                        |  21 +-
 include/linux/anon_inodes.h                |   3 +
 include/linux/migrate.h                    |   3 +
 include/linux/mm_types.h                   |   5 +-
 kernel/fork.c                              |   2 +-
 mm/migrate.c                               |   2 +-
 mm/page_io.c                               |   1 -
 net/socket.c                               |  15 +-
 18 files changed, 547 insertions(+), 313 deletions(-)

-- 
1.8.2.1
-- 
"Thought is the essence of where you are now."
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