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Date:   Mon, 2 Sep 2019 05:12:34 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Gao Xiang <hsiangkao@aol.com>
Cc:     Christoph Hellwig <hch@infradead.org>,
        Chao Yu <yuchao0@huawei.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-fsdevel@vger.kernel.org, devel@driverdev.osuosl.org,
        linux-erofs@lists.ozlabs.org, Chao Yu <chao@kernel.org>,
        Gao Xiang <gaoxiang25@huawei.com>
Subject: Re: [PATCH 11/21] erofs: use dsb instead of layout for ondisk
 super_block
Message-ID: <20190902121234.GJ15931@infradead.org>
References: <20190802125347.166018-1-gaoxiang25@huawei.com>
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> +	dsb = (struct erofs_super_block *)((u8 *)bh->b_data +
> +					   EROFS_SUPER_OFFSET);

Not new in this patch, but that u8 cast shouldn't be needed.