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Date:   Tue, 28 Mar 2023 16:54:40 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Mingyi Cong <congmingyi@gmail.com>
Cc:     linkinjeon@kernel.org, senozhatsky@chromium.org, sfrench@samba.org,
        tom@talpey.com, linux-kernel@vger.kernel.org,
        linux-cifs@vger.kernel.org
Subject: Re: [PATCH v3] fs: add the tuncate check of exfat
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NAK again.  You must not hardcode file syste magic numbers in
consumers of vfs API.  Not the existing one, and absolutelt not
a new one.  I told you a few times what to do but you keep ignoring it.