On Mon, Feb 18, 2008 at 10:45 PM, Alasdair G Kergon <agk@xxxxxxxxxx> 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 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
