Re: Bug fix in AIO initialization

Suparna Bhattacharya (suparna@in.ibm.com)
Wed, 9 Jul 2003 01:15:19 +0530

On Tue, Jul 08, 2003 at 02:41:21PM +0200, Wim ten Have wrote:
> On Tue, 8 Jul 2003 23:43:26 +0530
> Suparna Bhattacharya <suparna@in.ibm.com> wrote:
>
> > Is this with vanilla 2.5 kernels or recent -mm kernels ?
>
> vanilla 2.5 kernels
>
> > Are you doing async O_DIRECT reads/writes or regular filesystem
> > aio read/writes ?
>
> both.

Regular filesystem aio reads/writes aren't async at the
moment in the vanilla 2.5 tree, so that would be expected, but
you say you are seeing this with O_DIRECT as well ...

What kind of i/o sizes and loads are involved when you observe
this with O_DIRECT AIO ? Which filesystem are you using ?

Regards
Suparna

-- 
Suparna Bhattacharya (suparna@in.ibm.com)
Linux Technology Center
IBM Software Labs, India


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