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Re: [PATCH 0/3] support appending AIO writes

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH 0/3] support appending AIO writes
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Wed, 5 Feb 2014 09:29:01 +1100
Cc: xfs@xxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, Sergey Meirovich <rathamahata@xxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20140204172402.380571745@xxxxxxxxxxxxxxxxxxxxxx>
References: <20140204172402.380571745@xxxxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Tue, Feb 04, 2014 at 09:24:02AM -0800, Christoph Hellwig wrote:
> At least XFS can support appending AIO writes easily, and Sergey has
> demonstrated a use case for them.
> I've not done any performance testing myself, but ensured that xfstests
> already exercises the code path.

The patches look sane. Does the dio change conflict with the
work Al is doing right now of the direct IO path, or will
marshalling that part of the change through the XFS tree be fine?


Dave Chinner

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