From: Milan Broz <mbroz@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: device-mapper development <dm-devel@redhat.com>,
Alasdair G Kergon <agk@redhat.com>
Subject: Re: Barrier support in device mapper
Date: Thu, 18 Sep 2008 20:34:49 +0200 [thread overview]
Message-ID: <48D29F49.1050003@redhat.com> (raw)
In-Reply-To: <20080918181311.GN25711@one.firstfloor.org>
Andi Kleen wrote:
>> The mail I replied to contains links to all mentioned patches:
>>
>>> [1] http://lkml.org/lkml/2008/2/15/125
>>> [2] http://article.gmane.org/gmane.linux.kernel.device-mapper.devel/5941
>
> That's just a description, where are the patches?
http://article.gmane.org/gmane.linux.kernel.device-mapper.devel/5942
http://article.gmane.org/gmane.linux.kernel.device-mapper.devel/5943
http://article.gmane.org/gmane.linux.kernel.device-mapper.devel/5944
http://article.gmane.org/gmane.linux.kernel.device-mapper.devel/5945
> Are they equivalent in the single disk case to my patch?
It transforms barrier to normal bio with following zero-size barrier bio.
For the one disk case effect is the same of course.
Milan
next prev parent reply other threads:[~2008-09-18 18:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-18 5:57 Barrier support in device mapper Nikanth Karthikesan
2008-09-18 6:57 ` Milan Broz
2008-09-18 13:44 ` Andi Kleen
2008-09-18 16:08 ` Milan Broz
2008-09-18 18:13 ` Andi Kleen
2008-09-18 18:34 ` Milan Broz [this message]
2008-09-18 18:53 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2008-09-18 10:16 Nikanth Karthikesan
2008-09-18 13:47 ` Andi Kleen
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