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

To: Jeremy Allison <jra@xxxxxxxxx>
Subject: Re: [PATCH 5/7] XFS: Unicode case-insensitive lookup implementation
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 3 Apr 2008 14:43:33 -0400
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Barry Naujok <bnaujok@xxxxxxx>, xfs@xxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
In-reply-to: <20080403172400.GC22812@samba1>
References: <20080402062508.017738664@xxxxxxxxxxxxxxxxxxxxxxx> <20080402062709.011126702@xxxxxxxxxxxxxxxxxxxxxxx> <20080403171450.GB22385@xxxxxxxxxxxxx> <20080403172400.GC22812@samba1>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.5.17 (2007-11-01)
On Thu, Apr 03, 2008 at 10:24:00AM -0700, 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.

CI filenames can work perfectly fine without adding validation of file
names by treating non-conformant bytestreams as not having lower/upper
case variants.


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