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Date:   Wed, 8 Jul 2020 08:49:33 -0700
From:   Eric Biggers <>
To:     Daniel Rosenberg <>
Cc:     Theodore Ts'o <>,,
        Jaegeuk Kim <>, Chao Yu <>,,,
        Alexander Viro <>,
        Andreas Dilger <>,,,
        Gabriel Krisman Bertazi <>,
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 <>

Reviewed-by: Eric Biggers <>

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