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

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Nick Piggin <npiggin@xxxxxxx> writes:

> 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.

How?  All (indirect) callers I could find explicitly handle the
zero-length case.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@xxxxxxx
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