Message-ID: <1440517736.15510.81.camel@gmail.com>
Subject: Re: [PATCH 2/2] ubifs: Allow O_DIRECT
From: Artem Bityutskiy <dedekind1@gmail.com>
Reply-To: dedekind1@gmail.com
To: Chris Mason <clm@fb.com>, Dave Chinner <david@fromorbit.com>
Cc: Jeff Moyer <jmoyer@redhat.com>, Brian Norris <computersforpeace@gmail.com>,
        Richard Weinberger <richard@nod.at>,
        Dongsheng Yang <yangds.fnst@cn.fujitsu.com>,
        linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org
Date: Tue, 25 Aug 2015 18:48:56 +0300
In-Reply-To: <20150825012831.GC7176@ret.masoncoding.com>
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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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