Re: [Qemu-devel] [PATCH 0/2] Open disk images with O_DIRECT

[Daniel P. Berrange]

On Wed, Nov 28, 2007 at 03:02:50PM +0100, Laurent Vivier wrote:
> These patches allow to open file using O_DIRECT and bypass the host I/O cache.
>
> [PATCH 1/2] Add "directio" parameter to "-drive"
> 
>     Using "directio=on" with "-drive" will open the disk image 
>     file using "O_DIRECT".

I don't see the point in adding a config param for this. If it provides a
useful performance improvement (or other benefit) we should enable it by 
default all the time.

Dan.
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