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

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Message-ID: <1440517736.15510.81.camel@gmail.com>
Date:	Tue, 25 Aug 2015 18:48:56 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Chris Mason <clm@...com>, Dave Chinner <david@...morbit.com>
Cc:	Jeff Moyer <jmoyer@...hat.com>,
	Brian Norris <computersforpeace@...il.com>,
	Richard Weinberger <richard@....at>,
	Dongsheng Yang <yangds.fnst@...fujitsu.com>,
	linux-mtd@...ts.infradead.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ubifs: Allow O_DIRECT

On Mon, 2015-08-24 at 21:28 -0400, Chris Mason wrote:
> This is what btrfs already does for O_DIRECT plus compressed, or
> other
> cases where people don't want their applications to break on top of
> new
> features that aren't quite compatible with it.

I do not know how much of direct IO we can do in UBIFS - we have
compression too, there is not block layer under us. But someone should
try and see what could be done.

Artem.
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