linux-ext4 - Re: [PATCH v12 2/4] fs: Add standard casefolding support

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Message-ID: <20200708154933.GA915@sol.localdomain>
Date:   Wed, 8 Jul 2020 08:49:33 -0700
From:   Eric Biggers <ebiggers@...nel.org>
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,
        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,
        Gabriel Krisman Bertazi <krisman@...labora.com>,
        kernel-team@...roid.com
Subject: Re: [PATCH v12 2/4] fs: Add standard casefolding support

On Wed, Jul 08, 2020 at 02:12:35AM -0700, Daniel Rosenberg wrote:
> This adds general supporting functions for filesystems that use
> utf8 casefolding. It provides standard dentry_operations and adds the
> necessary structures in struct super_block to allow this standardization.
> 
> The new dentry operations are functionally equivalent to the existing
> operations in ext4 and f2fs, apart from the use of utf8_casefold_hash to
> avoid an allocation.
> 
> By providing a common implementation, all users can benefit from any
> optimizations without needing to port over improvements.
> 
> Signed-off-by: Daniel Rosenberg <drosen@...gle.com>

Reviewed-by: Eric Biggers <ebiggers@...gle.com>