linux-kernel - Re: MD/RAID time out writing superblock

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Message-ID: <4AB25736.1060601@suse.de>
Date:	Fri, 18 Sep 2009 00:35:18 +0900
From:	Tejun Heo <teheo@...e.de>
To:	Mark Lord <liml@....ca>
Cc:	Chris Webb <chris@...chsys.com>, linux-scsi@...r.kernel.org,
	Ric Wheeler <rwheeler@...hat.com>,
	Andrei Tanas <andrei@...as.ca>, NeilBrown <neilb@...e.de>,
	linux-kernel@...r.kernel.org,
	IDE/ATA development list <linux-ide@...r.kernel.org>,
	Jeff Garzik <jgarzik@...hat.com>, Mark Lord <mlord@...ox.com>
Subject: Re: MD/RAID time out writing superblock

Hello,

Mark Lord wrote:
> Tejun.. do we do a FLUSH CACHE before issuing a non-NCQ command ?

Nope.

> If not, then I think we may need to add code to do it.

Hmm... can you explain a bit more?  That seems rather extreme to me.

Thanks.

-- 
tejun
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