Re: [PATCH] 2.5 port of aio-20020619 for raw devices

From: Shailabh Nagar (nagar@watson.ibm.com)
Date: Thu Sep 12 2002 - 13:37:40 EST


Benjamin LaHaise wrote:
> On Thu, Sep 12, 2002 at 02:21:08PM -0400, Shailabh Nagar wrote:
>
>>I just did a rough port of the raw device part of the aio-20020619.diff
>>over to 2.5.32 using the 2.5 aio API published so far. The changeset
>>comments are below. The patch hasn't been tested. Its only guaranteed
>>to compile.
>>
>>I'd like to reiterate that this is not a fork of aio kernel code
>>development or any attempt to question Ben's role as maintainer ! This
>>was only an exercise in porting to enable a comparison of the older
>>(2.4) approach with whatever's coming soon.
>>
>>Comments are invited on all aspects of the design and implementation.
>
>
> The generic aio <-> kvec functions were found to not work well, and
> the chunking code needs to actually pipeline data for decent io thruput.
> Short story: the raw device code must be rewritten using the dio code
> that akpm introduced.
>
> -ben
> --

So does the kvec structure go away (and some variant of dio get used) ?

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