linux-kernel - Re: [PATCH] target/iblock: use ilog2 to compute block size

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Message-ID: <20160622133809.GA29657@infradead.org>
Date:	Wed, 22 Jun 2016 06:38:09 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>,
	Jens Axboe <axboe@...com>, Mike Christie <mchristi@...hat.com>,
	Andy Grover <agrover@...hat.com>,
	Hannes Reinecke <hare@...e.com>, linux-scsi@...r.kernel.org,
	target-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] target/iblock: use ilog2 to compute block size

This doesn't compute the block size, it computes the number of block
in a block device.  I think it would be useful to add a generic helper
(e.g. in blkdev.h) as this calculation seems to be open coded in various
places.