Messages in this thread | | | Date | Fri, 16 May 2008 15:55:30 -0400 | From | "Mike Snitzer" <> | Subject | Re: [dm-devel] Re: [PATCH] Implement barrier support for single device DM devices |
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On Mon, Feb 18, 2008 at 10:45 PM, Alasdair G Kergon <agk@redhat.com> wrote: > On Mon, Feb 18, 2008 at 08:52:10AM -0500, Ric Wheeler wrote: > > I understand that. Most of the time, dm or md devices are composed of > > uniform components which will uniformly support (or not) the cache flush > > commands used by barriers. > > As a dm developer, it's "almost none of the time" because trivial > configurations aren't the ones that require lots of testing effort. > > Let's stop arguing over "most of the time":-) > > As Andi points out, there are certainly enough real-world users of > "single linear or crypt target using one physical device" for it to be > worth our supporting it.
Hi Alasdair,
Given that you feel supporting barriers on single device DM targets is a good thing, what is the status of such support (like Andi's patch) making it upstream?
Mike
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