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Date:   Fri, 11 Jun 2021 14:45:54 +0200
From:   Miklos Szeredi <>
To:     Ian Kent <>
Cc:     Greg Kroah-Hartman <>,
        Tejun Heo <>, Eric Sandeen <>,
        Fox Chen <>,
        Brice Goglin <>,
        Al Viro <>,
        Rick Lindsley <>,
        David Howells <>,
        Marcelo Tosatti <>,
        "Eric W. Biederman" <>,
        Carlos Maiolino <>,
        linux-fsdevel <>,
        Kernel Mailing List <>
Subject: Re: [PATCH v6 1/7] kernfs: move revalidate to be near lookup

On Wed, 9 Jun 2021 at 10:49, Ian Kent <> wrote:
> While the dentry operation kernfs_dop_revalidate() is grouped with
> dentry type functions it also has a strong affinity to the inode
> operation ->lookup().
> It makes sense to locate this function near to kernfs_iop_lookup()
> because we will be adding VFS negative dentry caching to reduce path
> lookup overhead for non-existent paths.
> There's no functional change from this patch.
> Signed-off-by: Ian Kent <>

Reviewed-by: Miklos Szeredi <>

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