Re: [patch 1/3] mm: pagecache write deadlocks zerolength fix

[Nick Piggin]

On Thu, Nov 30, 2006 at 11:15:39AM +0100, Andreas Schwab wrote:
> Nick Piggin <npiggin@xxxxxxx> writes:
> 
> > writev with a zero-length segment is a noop, and we shouldn't return EFAULT.
> 
> AFAICS the callers of these functions never pass a zero length.

They can in the case of a zero length write. I had considered also
doing this check in the caller, but I don't think it is too harmful
to make the API a little more robust? But if you have another
preference?

Thanks,
Nick

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