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From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Kent Overstreet <koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: Mike Snitzer <snitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Lars Ellenberg
	<lars.ellenberg-63ez5xqkn6DQT0dZR+AlfA@public.gmane.org>,
	dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Bcache upstreaming
Date: Fri, 1 Feb 2013 08:08:20 -0800	[thread overview]
Message-ID: <20130201160820.GA31863@mtj.dyndns.org> (raw)
In-Reply-To: <20130201153318.GW26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>

Hey,

On Fri, Feb 01, 2013 at 07:33:18AM -0800, Kent Overstreet wrote:
> Could add a new, fixed version that doesn't do the refcounting, bcache
> and I imagine md could use that right away (maybe even just split the
> refcounting out into different functions and have dm call those
> directly, probably an easy way to refactor it anyways)

I don't know.  We then would have two interfaces doing about the same
thing and a flag indicating whether the new or old one was used to
create the link so that exclusive close can decide to remove it or
not, which seems a bit complicated.  Let's see whether Mike can remove
the weirdness from dm side.

Thanks.

-- 
tejun

  parent reply	other threads:[~2013-02-01 16:08 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20130104235040.GA26407@google.com>
2013-01-09 15:49 ` Bcache upstreaming Mike Snitzer
     [not found]   ` <CAMM=eLeeh6jb28KXGE9ZBbkMV1ysE-6NH2BjfpTsQcHAawEs+w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-10 17:59     ` Kent Overstreet
     [not found]       ` <20130110175954.GR26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-01-14 22:37         ` Kent Overstreet
     [not found]           ` <20130114223722.GZ26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-01-14 22:53             ` Mike Snitzer
     [not found]               ` <20130114225330.GA1365-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-01-17  2:27                 ` Mike Snitzer
     [not found]                   ` <20130117022728.GA16148-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-01-17 11:41                     ` Kent Overstreet
     [not found]                       ` <20130117114104.GJ10411-jC9Py7bek1znysI04z7BkA@public.gmane.org>
2013-01-30 23:36                         ` Kent Overstreet
     [not found]                           ` <20130130233643.GD12631-jC9Py7bek1znysI04z7BkA@public.gmane.org>
2013-01-30 23:48                             ` Joseph Glanville
     [not found]                               ` <CAOzFzEho6Jn8nd+vSZXEQR5_oxPEZRej=6mivJDz0MsAj5VAZg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-31  1:25                                 ` Kent Overstreet
2013-01-31  0:10                             ` Mike Snitzer
     [not found]                               ` <20130131001020.GA7541-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-01-31  1:26                                 ` Kent Overstreet
     [not found]                                   ` <20130131012627.GF12631-jC9Py7bek1znysI04z7BkA@public.gmane.org>
2013-01-31  1:27                                     ` Kent Overstreet
     [not found]                                       ` <20130131012747.GG12631-jC9Py7bek1znysI04z7BkA@public.gmane.org>
2013-01-31  1:48                                         ` Kent Overstreet
     [not found]                                           ` <20130131014835.GH12631-jC9Py7bek1znysI04z7BkA@public.gmane.org>
2013-01-31 19:02                                             ` Mike Snitzer
     [not found]                                               ` <20130131190249.GA12786-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-01-31 21:08                                                 ` Kent Overstreet
     [not found]                                                   ` <CAC7rs0u_aJS5BsJ0E7wH98z2VxXr=SK1z8yL0-m0Pc85ncJNHg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-31 22:17                                                     ` Mike Snitzer
     [not found]                                                       ` <20130131221711.GA13540-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-01-31 22:25                                                         ` Kent Overstreet
     [not found]                                                           ` <CAC7rs0ue6YgqrX9Nc18GdnVtJd558F6W=BZiMXZdRqig3s7sBA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-31 23:08                                                             ` Mike Snitzer
     [not found]                                                               ` <20130131230800.GB13540-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-01  0:33                                                                 ` Kent Overstreet
     [not found]                                                                   ` <20130201003311.GJ12631-jC9Py7bek1znysI04z7BkA@public.gmane.org>
2013-02-01  3:38                                                                     ` Mike Snitzer
2013-02-01 10:39                                                                       ` Lars Ellenberg
2013-02-01 14:10                                                                         ` Mike Snitzer
     [not found]                                                                           ` <20130201141003.GA18095-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-01 14:55                                                                             ` Tejun Heo
     [not found]                                                                               ` <20130201145504.GS6824-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-02-01 15:16                                                                                 ` Mike Snitzer
2013-02-01 15:27                                                                                 ` Kent Overstreet
     [not found]                                                                                   ` <20130201152743.GV26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-02-01 15:30                                                                                     ` Tejun Heo
     [not found]                                                                                       ` <20130201153019.GT6824-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-02-01 15:33                                                                                         ` Kent Overstreet
     [not found]                                                                                           ` <20130201153318.GW26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-02-01 16:08                                                                                             ` Tejun Heo [this message]
     [not found]                                                                                               ` <20130201160820.GA31863-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-02-01 16:15                                                                                                 ` Kent Overstreet
     [not found]                                                                                                   ` <20130201161547.GY26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-02-01 16:18                                                                                                     ` Tejun Heo
     [not found]                                                                                                       ` <20130201161809.GB31863-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2013-02-01 20:32                                                                                                         ` Mike Snitzer
     [not found]                                                                                                           ` <20130201203229.GA21110-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-01 20:43                                                                                                             ` Tejun Heo
     [not found]                                                                       ` <20130201033810.GA14867-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-01 15:39                                                                         ` Kent Overstreet
     [not found]                                                                           ` <20130201153936.GX26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-02-01 16:12                                                                             ` Mike Snitzer
     [not found]                                                                               ` <20130201161227.GA19245-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-02-01 16:17                                                                                 ` Kent Overstreet
2013-01-31 22:01                                         ` Kent Overstreet
2013-01-31 16:52                             ` Mike Snitzer
     [not found]                               ` <20130131165223.GB11894-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-01-31 17:01                                 ` Kent Overstreet
     [not found]                                   ` <20130131170103.GT26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-01-31 17:26                                     ` Mike Snitzer
2013-01-09 16:01 ` Mike Snitzer
     [not found] ` <20130104235040.GA26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-01-09 16:12   ` Mike Snitzer
     [not found]     ` <CAMM=eLdxz17qG8=Px5VoRpv2pGsGhVn3erCQLrcr=Lm-vCOrWw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-01-10 16:47       ` Mike Snitzer
     [not found]         ` <20130110164704.GA30790-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-01-10 17:56           ` Mike Snitzer
2013-01-10 18:14           ` Kent Overstreet
     [not found]             ` <20130110181424.GS26407-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2013-01-14 22:36               ` Kent Overstreet

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