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Message-ID: <20150518172259.GA8116@lst.de>
Date:	Mon, 18 May 2015 19:22:59 +0200
From:	Christoph Hellwig <hch@....de>
To:	Jeff Moyer <jmoyer@...hat.com>
Cc:	Ming Lin <mlin@...nel.org>, linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>,
	Kent Overstreet <kent.overstreet@...il.com>,
	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>,
	Mike Snitzer <snitzer@...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>,
	Joshua Morris <josh.h.morris@...ibm.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>
Subject: Re: [PATCH v3 01/11] block: make generic_make_request handle
	arbitrarily sized bios

On Mon, May 18, 2015 at 12:52:03PM -0400, Jeff Moyer wrote:
> > +	return bio_split(bio, split_sectors, GFP_NOIO, bs);
> 
> Much of this function is cut-n-paste from blk-lib.c.  Is there any way
> to factor it out?

The code in blk-lib.c can go away now that any driver that cares
does the split.

> > +static struct bio *blk_bio_segment_split(struct request_queue *q,
> > +					 struct bio *bio,
> > +					 struct bio_set *bs)
> > +{
> 
> Funny name for a function that also merges segments.  ;-)  I admit I am
> at a loss for coming up with a better name that won't overflow 80
> columns.

I'd keep the name and add a funny comment instead.
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