linux-ext4 - Re: [PATCH v10 1/4] unicode: Add utf8_casefold

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Message-ID: <877dvftdss.fsf@collabora.com>
Date:   Tue, 07 Jul 2020 13:50:27 -0400
From:   Gabriel Krisman Bertazi <krisman@...labora.com>
To:     Daniel Rosenberg <drosen@...gle.com>
Cc:     "Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
        Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>,
        linux-f2fs-devel@...ts.sourceforge.net,
        Eric Biggers <ebiggers@...nel.org>,
        linux-fscrypt@...r.kernel.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH v10 1/4] unicode: Add utf8_casefold_hash

Daniel Rosenberg <drosen@...gle.com> writes:

> This adds a case insensitive hash function to allow taking the hash
> without needing to allocate a casefolded copy of the string.
>
> The existing d_hash implementations for casefolding allocates memory
> within rcu-walk, by avoiding it we can be more efficient and avoid
> worrying about a failed allocation.
>
> Signed-off-by: Daniel Rosenberg <drosen@...gle.com>

Reviewed-by: Gabriel Krisman Bertazi <krisman@...labora.com>

-- 
Gabriel Krisman Bertazi