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Date:   Tue, 6 Jun 2023 23:21:40 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Wu Bo <bo.wu@vivo.com>
Cc:     Jan Kara <jack@suse.cz>, Amir Goldstein <amir73il@gmail.com>,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        wubo.oduw@gmail.com
Subject: Re: [PATCH 1/1] fsnotify: export 'fsnotify_recalc_mask' symbol
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On Wed, Jun 07, 2023 at 10:47:00AM +0800, Wu Bo wrote:
> To enable modules to update existing mark, export 'fsnotify_recalc_mask'
> symbol.

Why, and which module?  And why isn't the code to use it included?