[RFC PATCH 0/3] VFS changes to collapse all the vectored and AIO support

Hi,

These series of changes collapses all the vectored IO support 
into single file-operation method using aio_read/aio_write. 

This work was originally suggested & started by Christoph Hellwig, 
when Zach Brown tried to add vectored support for AIO. 

Christoph & Zach, comments/suggestions ? If you are happy with the
work, can you add your Sign-off or Ack ? I addressed all the
known issues, please review.

Here is the summary:

[PATCH 1/3] Vectorize aio_read/aio_write methods

[PATCH 2/3] Remove readv/writev methods and use aio_read/aio_write
instead.

[PATCH 3/3] Zach's core aio changes to support vectored AIO.

NOTE: This is not ready for -mm or mainline consumption yet -
since I am still doing basic testing. 

Comments ?

Thanks,
Badari

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