linux-kernel - Re: sd-async-shutdown.patch [was: 2.6.30 -mm merge plans]

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Date:	Wed, 25 Mar 2009 09:29:37 +0800
From:	Shaohua Li <shaohua.li@...el.com>
To:	Robert Hancock <hancockrwd@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"arjan@...radead.org" <arjan@...radead.org>,
	"James.Bottomley@...senPartnership.com" 
	<James.Bottomley@...senPartnership.com>
Subject: Re: sd-async-shutdown.patch [was: 2.6.30 -mm merge plans]

On Wed, 2009-03-25 at 09:26 +0800, Robert Hancock wrote:
> Andrew Morton wrote:
> >     sd-async-shutdown.patch
> > 
> >  Merge
> 
> This one seems questionable to me. Is this going to allow the machine to 
> power off before the disk shutdown is complete? That's definitely 
> something we don't want (for cache flushing and head unload reasons).
There is another patch which will sync all device shutdown, so to
guarantee device shutdown completed.

Thanks,
Shaohua

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