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Date: Sat, 8 Aug 2015 14:35:21 +0200
From: Christoph Hellwig <hch@....de>
To: Kent Overstreet <kent.overstreet@...il.com>
Cc: Ming Lin <mlin@...nel.org>, Christoph Hellwig <hch@....de>,
Mike Snitzer <snitzer@...hat.com>,
lkml <linux-kernel@...r.kernel.org>,
Jens Axboe <axboe@...nel.dk>, Dongsu Park <dpark@...teo.net>,
Christoph Hellwig <hch@...radead.org>,
Al Viro <viro@...iv.linux.org.uk>,
Ming Lei <ming.lei@...onical.com>, Neil Brown <neilb@...e.de>,
Alasdair Kergon <agk@...hat.com>, dm-devel@...hat.com,
Lars Ellenberg <drbd-dev@...ts.linbit.com>,
drbd-user@...ts.linbit.com, Jiri Kosina <jkosina@...e.cz>,
Geoff Levand <geoff@...radead.org>, Jim Paris <jim@...n.com>,
Philip Kelleher <pjk1939@...ux.vnet.ibm.com>,
Minchan Kim <minchan@...nel.org>,
Nitin Gupta <ngupta@...are.org>,
Oleg Drokin <oleg.drokin@...el.com>,
Andreas Dilger <andreas.dilger@...el.com>,
Ming Lin <ming.l@....samsung.com>
Subject: Re: [PATCH v5 01/11] block: make generic_make_request handle
arbitrarily sized bios
On Fri, Aug 07, 2015 at 09:22:26PM -0800, Kent Overstreet wrote:
> Is granularity required to be a power of two? One would hope, but looking at the
> code that doesn't appear to be a requirement... ugh, that's terrible...
If devices have an odd granularity we'll just have to split more than
nessecary. Let's hope no major hardware does that.
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