linux-kernel - Re: [PATCH 2/2] ubifs: Allow O

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Message-ID: <1440400689.15510.30.camel@gmail.com>
Date:	Mon, 24 Aug 2015 10:18:09 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Richard Weinberger <richard@....at>,
	Dongsheng Yang <yangds.fnst@...fujitsu.com>,
	linux-mtd@...ts.infradead.org
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ubifs: Allow O_DIRECT

On Thu, 2015-08-20 at 15:34 +0300, Artem Bityutskiy wrote:
> On Thu, 2015-08-20 at 13:40 +0200, Richard Weinberger wrote:
> > > Basically, we need to see what is the "common practice" here, and
> > > follow it. This requires a small research. What would be the most
> > > popular Linux FS which does not support direct I/O? Can we check 
> > > what
> > > it does?
> > 
> > All popular filesystems seem to support direct IO.
> > That's the problem, application do not expect O_DIRECT to fail.
> > 
> > My intention was to do it like exofs:
> 
> Fair enough, thanks!
> 
> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@...el.com>

Richard, you mention this was suggested by Dave, could you please pint
to the discussion, if possible?

Artem.
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