linux-kernel - Re: [patch v3] splice: fix race with page invalidation

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Message-Id: <E1KOGeO-0000yi-EM@pomaz-ex.szeredi.hu>
Date:	Wed, 30 Jul 2008 20:43:52 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	jens.axboe@...cle.com
CC:	miklos@...redi.hu, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, nickpiggin@...oo.com.au,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [patch v3] splice: fix race with page invalidation

> On Wed, 30 Jul 2008, Jens Axboe wrote:
> > You snipped the part where Linus objected to dismissing the async
> > nature, I fully agree with that part.

And also note in what Nick said in the referenced mail: it would be
nice if someone actually _cared_ about the async nature.  The fact
that it has been broken from the start, and nobody noticed is a strong
hint that currently there isn't anybody who does.

Maybe fuse will be the first one to actually care, and then I'll
bother with putting a lot of effort into it.  But until someone cares,
nobody will bother, and that's how it should be.  That's very much in
line with the evoultionary nature of kernel developments: unused
features will just get broken and eventually removed.

Miklos
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