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

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On Tue, Mar 07, 2006 at 04:19:59PM -0800, Badari Pulavarty wrote:
> 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.

the first two patches are fine with me, they're basically my patches
with the bugs fixed and the missing conversions done, so they must be
good ;-)

can't really comment on the third one because I don't understand the
aio internals good enough.

Onced this goes to -mm we should add a third patch to kill
generic_file_read/generic_file_write and convert all filesystems to the
aio/vectored variant and use do_sync_read/do_sync_write for
.read/.write.  The major syscalls use the aio_ variant directly anyway,
this is only needed for some special cases like the ELF loader.
Removing generic_file_read/generic_file_write will finally cut filemap.c
back to a sane size.

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