Re: [PATCH 1/2] 2.5.46 AIO support for raw/O_DIRECT

[Badari Pulavarty]

> 
> Badari Pulavarty wrote:
> > 
> > Hi,
> > 
> > Here is (part 1/2) 2.5.46 patch to support AIO for raw/O_DIRECT.
> > 
> > This patch adds the infrastructure only. It does not make
> > DIO code Async. (part 2/2 does). Here is summary of what this
> > patch does:
> > 
> > 1) Adds generic_file_aio_write_nolock() and makes all other
> >    generic_file_*_write() to use it.
> > 
> > 2) Modifies generic_file_direct_IO() and ->direct_IO() functions
> >    to take "kiocb *" instead of "file *".
> > 
> > 3) Renames generic_direct_IO() to blockdev_direct_IO().
> >         (Andrew's suggestion)
> > 
> > 4) Moves generic_file_direct_IO() to mm/filemap.c
> >         (Andrew's suggestion)
> > 
> > 5) Adds AIO read/write support for raw driver.
> > 
> 
> Looks sane.  Did nfs_direct_IO() not need updating?

Comment in nfs_direct_IO() says it is broken and it fails
to compile. So I did not update it. May be I should ..

- Badari