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Re: [PATCH 2/5] metadump: support writing discontiguous io cursors

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 2/5] metadump: support writing discontiguous io cursors
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 3 Feb 2014 07:06:15 -0800
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1390472635-17225-3-git-send-email-david@xxxxxxxxxxxxx>
References: <1390472635-17225-1-git-send-email-david@xxxxxxxxxxxxx> <1390472635-17225-3-git-send-email-david@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Jan 23, 2014 at 09:23:52PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> To handle discontiguous buffers, metadump needs to be able to handle
> io cursrors that use discontiguous buffer mappings. Factor
> write_buf() to extract the data copy routine and use that to
> implement support for both flat and discontiguous buffer maps.
> 
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

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