linux-ext4 - Re: [PATCH -v2] ext4: introduce linear search for dentries

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Message-ID: <20250213201705.GA1576694@google.com>
Date: Thu, 13 Feb 2025 20:17:05 +0000
From: Eric Biggers <ebiggers@...nel.org>
To: Theodore Ts'o <tytso@....edu>
Cc: Ext4 Developers List <linux-ext4@...r.kernel.org>, krisman@...e.de,
	drosen@...gle.com
Subject: Re: [PATCH -v2] ext4: introduce linear search for dentries

On Thu, Feb 13, 2025 at 03:10:21PM -0500, Theodore Ts'o wrote:
> There are good reasons why this change should be made; it's actually
> quite stupid that Unicode seems to think that the characters ❤ and ❤️
> should be casefolded.

It actually doesn't.  See
https://www.unicode.org/Public/16.0.0/ucd/CaseFolding.txt and note that heart is
not listed there.

For some reason ext4 actually does Unicode normalization, which is different.

- Eric