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. Alasdair -- agk@xxxxxxxxxx -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
