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From: Christoph Hellwig <hch@lst.de>
To: Jeff Moyer <jmoyer@redhat.com>
Cc: Ming Lin <mlin@kernel.org>,
	linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
	Jens Axboe <axboe@kernel.dk>,
	Kent Overstreet <kent.overstreet@gmail.com>,
	Dongsu Park <dpark@posteo.net>,
	Christoph Hellwig <hch@infradead.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Ming Lei <ming.lei@canonical.com>, Neil Brown <neilb@suse.de>,
	Alasdair Kergon <agk@redhat.com>,
	Mike Snitzer <snitzer@redhat.com>,
	dm-devel@redhat.com, Lars Ellenberg <drbd-dev@lists.linbit.com>,
	drbd-user@lists.linbit.com, Jiri Kosina <jkosina@suse.cz>,
	Geoff Levand <geoff@infradead.org>, Jim Paris <jim@jtan.com>,
	Joshua Morris <josh.h.morris@us.ibm.com>,
	Philip Kelleher <pjk1939@linux.vnet.ibm.com>,
	Minchan Kim <minchan@kernel.org>, Nitin Gupta <ngupta@vflare.org>,
	Oleg Drokin <oleg.drokin@intel.com>,
	Andreas Dilger <andreas.dilger@intel.com>
Subject: Re: [PATCH v3 01/11] block: make generic_make_request handle arbitrarily sized bios
Date: Mon, 18 May 2015 19:22:59 +0200	[thread overview]
Message-ID: <20150518172259.GA8116@lst.de> (raw)
In-Reply-To: <x49twv9kevg.fsf@segfault.boston.devel.redhat.com>

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.

  reply	other threads:[~2015-05-18 17:23 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-07  6:34 [PATCH v3 00/11] simplify block layer based on immutable biovecs Ming Lin
2015-05-07  6:34 ` [PATCH v3 01/11] block: make generic_make_request handle arbitrarily sized bios Ming Lin
2015-05-18 16:52   ` Jeff Moyer
2015-05-18 17:22     ` Christoph Hellwig [this message]
2015-05-22  7:51       ` Ming Lin
2015-05-20 18:30     ` Ming Lin
2015-05-20 18:58       ` Jeff Moyer
2015-05-20 20:18         ` Ming Lin
2015-05-22 17:49     ` Ming Lin
2015-05-20 12:44   ` Christoph Hellwig
2015-05-20 18:16     ` Ming Lin
2015-05-07  6:34 ` [PATCH v3 02/11] block: simplify bio_add_page() Ming Lin
2015-05-07  6:34 ` [PATCH v3 03/11] block: allow __blk_queue_bounce() to handle bios larger than BIO_MAX_PAGES Ming Lin
2015-05-19  8:44   ` Christoph Hellwig
2015-05-20 18:17     ` Ming Lin
2015-05-07  6:34 ` [PATCH v3 04/11] bcache: remove driver private bio splitting code Ming Lin
2015-05-07  6:34 ` [PATCH v3 05/11] btrfs: remove bio splitting and merge_bvec_fn() calls Ming Lin
2015-05-07  6:34 ` [PATCH v3 06/11] md/raid5: get rid of bio_fits_rdev() Ming Lin
2015-05-07  6:34 ` [PATCH v3 07/11] md/raid5: split bio for chunk_aligned_read Ming Lin
2015-05-08  4:14   ` NeilBrown
2015-05-08  5:57     ` Ming Lin
2015-05-07  6:34 ` [PATCH v3 08/11] block: kill merge_bvec_fn() completely Ming Lin
2015-05-07  6:34 ` [PATCH v3 09/11] fs: use helper bio_add_page() instead of open coding on bi_io_vec Ming Lin
2015-05-07  6:34 ` [PATCH v3 10/11] md/raid10: make sync_request_write() call bio_copy_data() Ming Lin
2015-05-19  8:45   ` Christoph Hellwig
2015-05-20  3:09     ` NeilBrown
2015-05-07  6:34 ` [PATCH v3 11/11] Documentation: update notes in biovecs about arbitrarily sized bios Ming Lin
2015-05-18 16:13 ` [PATCH v3 00/11] simplify block layer based on immutable biovecs Christoph Hellwig
2015-05-20 12:48 ` Christoph Hellwig
2015-05-20 18:10   ` Ming Lin

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