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From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Ben Myers <bpm@sgi.com>,
	tinguely@sgi.com, Olaf Weber <olaf@sgi.com>,
	xfs@oss.sgi.com
Subject: Re: [RFC] Unicode/UTF-8 support for XFS
Date: Tue, 16 Sep 2014 14:02:35 -0700	[thread overview]
Message-ID: <20140916210235.GA24591@infradead.org> (raw)
In-Reply-To: <20140916205406.GJ4322@dastard>

On Wed, Sep 17, 2014 at 06:54:06AM +1000, Dave Chinner wrote:
> So how do existing utf8/unicode enabled filesystems handle this? 
> 
> I think we should be consistent with ZFS, MacOS and others that
> already deal with this problem if at all possible. However, this
> really is a wider policy decision for the kernel/VFS as we want
> consistent behaviour across all linux filesystems, hence this
> patchset really needs to discussed at the lkml/-fsdevel level...

Absolutely.  I've also talked to a few Samba folks at SDC, and one
thing they would love to see is conditional case insensitive lookups,
e.g.:

 - we hash case insensitive with collisions, but perform normal case
   sensitive lookups.
 - with a new AT_CASE_INSENSTIVE flag to the various *at calls that
   gets passed down to the dcache we enable CI lookups.

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  reply	other threads:[~2014-09-16 21:02 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-11 20:37 [RFC] Unicode/UTF-8 support for XFS Ben Myers
2014-09-11 20:40 ` [PATCH 1/9] xfs: return the first match during case-insensitive lookup Ben Myers
2014-09-11 20:41 ` [PATCH 2/9] xfs: rename XFS_CMP_CASE to XFS_CMP_MATCH Ben Myers
2014-09-11 20:42 ` [PATCH 3/9] xfs: add xfs_nameops.normhash Ben Myers
2014-09-11 20:43 ` [PATCH 4/9] xfs: change interface of xfs_nameops.normhash Ben Myers
2014-09-11 20:46 ` [PATCH 5/9] xfs: add a superblock feature bit to indicate UTF-8 support Ben Myers
2014-09-11 20:47 ` [PATCH 6/9] xfs: add unicode character database files Ben Myers
2014-09-11 20:48 ` [PATCH 7/9] xfs: add trie generator and supporting code for UTF-8 Ben Myers
2014-09-11 20:49 ` [PATCH 8/9] xfs: add xfs_nameops for utf8 and utf8+casefold Ben Myers
2014-09-11 20:50 ` [PATCH 9/9] xfs: apply utf-8 normalization rules to user extended attribute names Ben Myers
2014-09-11 20:51 ` [PATCH 01/13] libxfs: return the first match during case-insensitive lookup Ben Myers
2014-09-11 20:52 ` [PATCH 02/13] libxfs: rename XFS_CMP_CASE to XFS_CMP_MATCH Ben Myers
2014-09-11 20:53 ` [PATCH 03/13] libxfs: add xfs_nameops.normhash Ben Myers
2014-09-11 20:55 ` [PATCH 04/13] libxfs: change interface of xfs_nameops.normhash Ben Myers
2014-09-11 20:56 ` [PATCH 05/13] libxfs: add a superblock feature bit to indicate UTF-8 support Ben Myers
2014-09-11 20:57 ` [PATCH 06/13] xfsprogs: add unicode character database files Ben Myers
2014-09-11 20:59 ` [PATCH 07/13] libxfs: add trie generator and supporting code for UTF-8 Ben Myers
2014-09-11 21:00 ` [PATCH 08/13] libxfs: add xfs_nameops for utf8 and utf8+casefold Ben Myers
2014-09-11 21:01 ` [PATCH 09/13] libxfs: apply utf-8 normalization rules to user extended attribute names Ben Myers
2014-09-11 21:02 ` [PATCH 10/13] xfsprogs: add utf8 support to growfs Ben Myers
2014-09-11 21:03 ` [PATCH 11/13] xfsprogs: add utf8 support to mkfs.xfs Ben Myers
2014-09-11 21:04 ` [PATCH 12/13] xfsprogs: add utf8 support to xfs_repair Ben Myers
2014-09-11 21:06 ` [PATCH 13/13] xfsprogs: add a preliminary test for utf8 support Ben Myers
2014-09-12 10:02 ` [RFC] Unicode/UTF-8 support for XFS Dave Chinner
2014-09-12 11:55   ` Olaf Weber
2014-09-12 20:55     ` Christoph Hellwig
2014-09-15  7:16       ` Olaf Weber
2014-09-16 20:54         ` Dave Chinner
2014-09-16 21:02           ` Christoph Hellwig [this message]
2014-09-16 21:42             ` Ben Myers
2014-09-12 17:45   ` Josef 'Jeff' Sipek
2014-09-12 20:53   ` Christoph Hellwig

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