From: Kent Overstreet <koverstreet@google.com>
To: Joseph Glanville <joseph.glanville@orionvm.com.au>
Cc: Tejun Heo <tj@kernel.org>,
linux-bcache@vger.kernel.org, linux-kernel@vger.kernel.org,
dm-devel@redhat.com, axboe@kernel.dk, agk@redhat.com,
neilb@suse.de, drbd-dev@lists.linbit.com, vgoyal@redhat.com,
mpatocka@redhat.com, sage@newdream.net, yehuda@hq.newdream.net,
snitzer@redhat.com
Subject: Re: [PATCH v5 02/12] dm: Use bioset's front_pad for dm_rq_clone_bio_info
Date: Mon, 13 Aug 2012 14:44:46 -0700 [thread overview]
Message-ID: <20120813214446.GC9541@google.com> (raw)
In-Reply-To: <CAOzFzEhPW5-edb6mnL2gNbb4956u2MbWqQovv01010PyBCbc+g@mail.gmail.com>
On Sat, Aug 11, 2012 at 03:24:45PM +1000, Joseph Glanville wrote:
> Hi Kent, Tejun
>
> On 9 August 2012 09:57, Kent Overstreet <koverstreet@google.com> wrote:
> >> Also, how was this tested?
> >
> > Well, AFAICT the only request based dm target is multipath, and from the
> > documentation I've seen it doesn't appear to work without multipath
> > hardware, or at least I haven't seen it documented how. So, unless
> > there's another user I missed it's not been tested.
>
> Multipath can be tested quite easily with a loopback scsi target, you
> don't require specialized hardware.
> The easiest way to do this would probably be the built in LIO target +
> open_iscsi initiator.
>
> I haven't attempted running this current version of the patch series
> but I haven't run into issues with bcache+multipath in the past.
Actually, I bet you have been running this code - do you think you could
check the git log for the version you're running? That'd be awesome if
you are.
next prev parent reply other threads:[~2012-08-13 21:44 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-06 22:08 [PATCH v5 00/12] Block cleanups Kent Overstreet
2012-08-06 22:08 ` [PATCH v5 01/12] block: Generalized bio pool freeing Kent Overstreet
2012-08-08 22:25 ` Tejun Heo
2012-08-09 0:26 ` Kent Overstreet
2012-08-06 22:08 ` [PATCH v5 02/12] dm: Use bioset's front_pad for dm_rq_clone_bio_info Kent Overstreet
2012-08-08 22:06 ` Tejun Heo
2012-08-08 23:57 ` Kent Overstreet
2012-08-11 5:24 ` Joseph Glanville
2012-08-13 21:44 ` Kent Overstreet [this message]
2012-08-14 5:33 ` Jun'ichi Nomura
2012-08-15 20:46 ` Kent Overstreet
2012-08-06 22:08 ` [PATCH v5 03/12] block: Add bio_reset() Kent Overstreet
2012-08-08 22:11 ` Tejun Heo
2012-08-09 0:07 ` Kent Overstreet
2012-08-09 6:00 ` Tejun Heo
2012-08-09 6:06 ` Kent Overstreet
2012-08-09 6:30 ` Tejun Heo
2012-08-06 22:08 ` [PATCH v5 04/12] pktcdvd: Switch to bio_kmalloc() Kent Overstreet
2012-08-08 22:13 ` Tejun Heo
2012-08-09 0:08 ` Kent Overstreet
2012-08-06 22:08 ` [PATCH v5 05/12] block: Kill bi_destructor Kent Overstreet
2012-08-07 3:19 ` Mike Snitzer
2012-08-09 0:14 ` Kent Overstreet
2012-08-08 22:22 ` Tejun Heo
2012-08-09 0:21 ` Kent Overstreet
2012-08-09 6:05 ` Tejun Heo
2012-08-09 6:12 ` Kent Overstreet
2012-08-09 6:34 ` Tejun Heo
2012-08-15 22:19 ` Kent Overstreet
2012-08-06 22:08 ` [PATCH v5 06/12] block: Add an explicit bio flag for bios that own their bvec Kent Overstreet
2012-08-08 22:28 ` Tejun Heo
2012-08-06 22:08 ` [PATCH v5 07/12] block: Rename bio_split() -> bio_pair_split() Kent Overstreet
2012-08-06 22:08 ` [PATCH v5 08/12] block: Introduce new bio_split() Kent Overstreet
2012-08-08 22:58 ` Tejun Heo
2012-08-09 1:19 ` Kent Overstreet
2012-08-09 6:44 ` Tejun Heo
2012-08-13 21:55 ` Kent Overstreet
2012-08-13 22:05 ` Tejun Heo
2012-08-08 23:05 ` Tejun Heo
2012-08-09 1:39 ` Kent Overstreet
2012-08-09 7:22 ` Tejun Heo
2012-08-09 7:33 ` Kent Overstreet
2012-08-09 17:32 ` Tejun Heo
2012-08-13 22:09 ` Kent Overstreet
2012-08-06 22:08 ` [PATCH v5 09/12] block: Rework bio_pair_split() Kent Overstreet
2012-08-08 23:09 ` Tejun Heo
2012-08-06 22:08 ` [PATCH v5 10/12] block: Add bio_clone_kmalloc() Kent Overstreet
2012-08-08 23:15 ` Tejun Heo
2012-08-09 1:57 ` Kent Overstreet
2012-08-09 6:55 ` Tejun Heo
2012-08-09 7:02 ` Kent Overstreet
2012-08-09 2:38 ` [PATCH] Consolidate bio_clone_bioset(), bio_kmalloc() Kent Overstreet
2012-08-09 6:56 ` Tejun Heo
2012-08-06 22:08 ` [PATCH v5 11/12] block: Add bio_clone_bioset() Kent Overstreet
2012-08-08 23:21 ` Tejun Heo
2012-08-09 2:56 ` Kent Overstreet
2012-08-09 6:52 ` Tejun Heo
2012-08-09 6:59 ` Kent Overstreet
2012-08-06 22:08 ` [PATCH v5 12/12] block: Only clone bio vecs that are in use Kent Overstreet
2012-08-06 23:16 ` [dm-devel] " Mikulas Patocka
2012-08-08 23:28 ` Tejun Heo
2012-08-08 23:47 ` Muthu Kumar
2012-08-09 3:19 ` Kent Overstreet
2012-08-09 3:25 ` Kent Overstreet
2012-08-10 1:50 ` Muthu Kumar
2012-08-09 7:01 ` Tejun Heo
2012-08-10 2:29 ` Muthu Kumar
2012-08-08 23:30 ` Tejun Heo
2012-08-09 3:06 ` Kent Overstreet
2012-08-09 17:37 ` Tejun Heo
2012-08-13 21:46 ` Kent Overstreet
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