xfs
[Top] [All Lists]

Re: [PATCH 27/27] xfs: avoid a few disk cache flushes

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH 27/27] xfs: avoid a few disk cache flushes
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Wed, 6 Jul 2011 13:55:57 +1000
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20110701094607.799498339@xxxxxxxxxxxxxxxxxxxxxx>
References: <20110701094321.936534538@xxxxxxxxxxxxxxxxxxxxxx> <20110701094607.799498339@xxxxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-06-14)
On Fri, Jul 01, 2011 at 05:43:48AM -0400, Christoph Hellwig wrote:
> There is no need for a pre-flush when doing writing the second part of a
> split log buffer, and if we are using an external log there is no need
> to do a full cache flush of the log device at all given that all writes
> to it use the FUA flag.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

<Prev in Thread] Current Thread [Next in Thread>