linux-kernel - Re: [PATCH 3/3] bdi: Initialize noop_backing_dev

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Message-ID: <20100727170939.GB9034@infradead.org>
Date:	Tue, 27 Jul 2010 13:09:39 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Jan Kara <jack@...e.cz>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 3/3] bdi: Initialize noop_backing_dev_info properly

On Tue, Jul 27, 2010 at 07:05:01PM +0200, Jan Kara wrote:
> Properly initialize this backing dev info so that writeback code does not
> barf when getting to it e.g. via sb->s_bdi.

When do we actually get it in s_bdi?  That should never happen.

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