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From: Christoph Hellwig <hch@infradead.org>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
	linux-fsdevel@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>
Subject: Re: bdev->bd_inode_backing_dev_info?
Date: Mon, 14 Sep 2009 09:58:51 -0400	[thread overview]
Message-ID: <20090914135851.GA384@infradead.org> (raw)
In-Reply-To: <20090914094119.GZ14984@kernel.dk>

On Mon, Sep 14, 2009 at 11:41:19AM +0200, Jens Axboe wrote:
> Hi,
> 
> This looks a bit odd, what is the purpose of that? It also appears
> currently to be unused, it's never set to anything but NULL.

It was introduced in:

commit 520808bf20e90fdbdb320264ba7dd5cf9d47dcac
Author: Andrew Morton <akpm@osdl.org>
Date:   Fri May 21 00:46:17 2004 -0700

    [PATCH] block device layer: separate backing_dev_info infrastructure

and already never set in that commit.

I'd say nuke it.

      reply	other threads:[~2009-09-14 13:58 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-14  9:41 bdev->bd_inode_backing_dev_info? Jens Axboe
2009-09-14 13:58 ` Christoph Hellwig [this message]

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