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Re: [review] Remove the xfs refcache

To: lachlan@xxxxxxx
Subject: Re: [review] Remove the xfs refcache
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Sun, 16 Dec 2007 23:48:39 -0600
Cc: Donald Douwsma <donaldd@xxxxxxx>, xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <4765F444.8010705@xxxxxxx>
References: <4765EC66.5020202@xxxxxxx> <4765F444.8010705@xxxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Thunderbird (Macintosh/20071031)
Lachlan McIlroy wrote:
> Hey hold on there buddy!  We may need to reactivate this code to fix some
> performance issues.  I've acttually got this code working and proven that
> it is one way to fix some of the NAS/NFS issues we have.
> The little comment that reads "reference cache not needed for NFS in 2.6"
> is wrong - we do need it or something like it.

So, the whole reason this was not built for 2.6 was that ostensibly the
2.6 kernel already did this sort of caching for nfs.  But, last time I
looked I didn't see anything obvious.  Anybody know? :)


> Donald Douwsma wrote:
>> Remove the xfs_refcache, it was only needed while we were still building 
>> for
>> 2.4 kernels.

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