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Re: [PATCH 5/7] XFS: Unicode case-insensitive lookup implementation

To: Eric Sandeen <sandeen@xxxxxxxxxxx>
Subject: Re: [PATCH 5/7] XFS: Unicode case-insensitive lookup implementation
From: Mark Goodwin <markgw@xxxxxxx>
Date: Fri, 04 Apr 2008 11:00:30 +1100
Cc: Jeremy Allison <jra@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Barry Naujok <bnaujok@xxxxxxx>, xfs@xxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
In-reply-to: <47F51DDE.8070501@sandeen.net>
Organization: SGI Engineering
References: <20080402062508.017738664@chook.melbourne.sgi.com> <20080402062709.011126702@chook.melbourne.sgi.com> <20080403171450.GB22385@infradead.org> <20080403172400.GC22812@samba1> <47F51DDE.8070501@sandeen.net>
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Eric Sandeen wrote:
Jeremy Allison wrote:
On Thu, Apr 03, 2008 at 01:14:50PM -0400, Christoph Hellwig wrote:
Validating file names is not the filesystem job.  In fact it's utterly
stupid, a unix filename is a sequence of bytes without special meaning
except for ., .., / and \0
This patch will be extremely useful for users who are serving
Windows clients using Samba. It allow admins to turn off the
userspace case insensitivity we have to emulate and be a significant
speed increase.

I'd like to see the numbers... Simo tested an earlier version of this
patch, and it was not faster....

Yes I'd like to see some numbers too. Simo, can you post details of your testing (framework, methodology, results, etc).

Jeremy, what would be a representative test setup to use?

Cheers -- Mark


 Mark Goodwin                                  markgw@xxxxxxx
 Engineering Manager for XFS and PCP    Phone: +61-3-99631937
 SGI Australian Software Group           Cell: +61-4-18969583

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