Re: [AIO] aio-next changes for 3.12

From: Benjamin LaHaise
Date: Fri Sep 06 2013 - 14:42:41 EST


On Fri, Sep 06, 2013 at 02:39:23PM -0400, Benjamin LaHaise wrote:
> Hello Andrew,

This should have included Al as well. Sorry for the oversight.

-ben

> 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."

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