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Date: Thu, 10 Aug 2017 04:29:00 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@fb.com>, Christoph Hellwig <hch@infradead.org>,
        Huang Ying <ying.huang@intel.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>, linux-kernel@vger.kernel.org,
        linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-mm@kvack.org, Mike Snitzer <snitzer@redhat.com>
Subject: Re: [PATCH v3 10/49] dm: limit the max bio size as BIO_MAX_PAGES *
 PAGE_SIZE
Message-ID: <20170810112900.GF20308@infradead.org>
References: <20170808084548.18963-1-ming.lei@redhat.com>
 <20170808084548.18963-11-ming.lei@redhat.com>
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> +	ti->max_io_len = min_t(uint32_t, len,
> +			       (BIO_MAX_PAGES * PAGE_SIZE));

No need for the inner braces.  Also all of the above fits nicely
onto a single < 80 char line.

Otherwise this looks fine:

Reviewed-by: Christoph Hellwig <hch@lst.de>