From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 05/19] bcache: fix calling ida_simple_remove() with
 incorrect minor
Date: Wed, 5 Jul 2017 11:26:45 -0700
Message-ID: <20170705182645.GD10673@infradead.org>
References: <20170629134510.GA32385@infradead.org>
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Cc: linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, hch@infradead.org, axboe@kernel.dk, Tang Junhui <tang.junhui@zte.com.cn>, stable@vger.kernel.org, Stefan Bader <stefan.bader@canonical.com>
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> +#define BCACHE_TO_IDA_MINORS(first_minor) ((first_minor) >> BCACHE_MINORS_BITS)
> +#define IDA_TO_BCACHE_MINORS(minor)       ((minor) << BCACHE_MINORS_BITS)

Please use inline functions and lower case for these.