netdev - Re: [PATCH] Break up the single NBD lock into one per NBD device

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Message-Id: <20111006.153740.1653912067120856697.davem@davemloft.net>
Date:	Thu, 06 Oct 2011 15:37:40 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	hkchu@...gle.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] Break up the single NBD lock into one per NBD device

From: "H.K. Jerry Chu" <hkchu@...gle.com>
Date: Mon, 26 Sep 2011 16:34:12 -0700

> From: Jerry Chu <hkchu@...gle.com>
> 
> This patch breaks up the single NBD lock into one per
> disk. The single NBD lock has become a serious performance
> bottleneck when multiple NBD disks are being used.
> 
> The original comment on why a single lock may be ok no
> longer holds for today's much faster NICs.
> 
> Signed-off-by: H.K. Jerry Chu <hkchu@...gle.com>

Acked-by: David S. Miller <davem@...emloft.net>

Even though this is a "networking" block device, I think this change
should go through the Jens Axboe's block layer tree.

Thanks.
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