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

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

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.