Re: [PATCH 3/3] mlock: avoid dirtying pages and triggeringwriteback

[Peter Zijlstra]

On Wed, 2010-11-17 at 14:05 -0800, Michel Lespinasse wrote:
> 
> Really, my understanding is that not pre-allocating filesystem blocks
> is just fine. This is, after all, what happens with ext3 and it's
> never been reported as a bug (that I know of).
> 
fwiw I'm perfectly fine with it

> If filesystem people's feedback is that they really want mlock() to
> continue pre-allocating blocks, maybe we can just do it using
> fallocate() rather than page_mkwrite() callbacks ? 

Sounds sensible..
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