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

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Message-ID: <55DAC4F6.2020808@cn.fujitsu.com>
Date:	Mon, 24 Aug 2015 15:17:10 +0800
From:	Dongsheng Yang <yangds.fnst@...fujitsu.com>
To:	<dedekind1@...il.com>, Richard Weinberger <richard@....at>,
	<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 08/24/2015 03:18 PM, Artem Bityutskiy wrote:
> 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?

http://lists.infradead.org/pipermail/linux-mtd/2015-August/060702.html

That's in a discussion I want to introduce ubifs into xfstests.

Yang
>
> Artem.
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