On Sat, Feb 07, 2009 at 09:53:06AM -0500, Ric Wheeler wrote: > I have been poked at by some vendors about the status of our support for > the virtually/thinly provisioned luns since they are getting close to > being able to test with real devices. > > My quick summary is that we most of the work so far has been done > without any real hardware to play with - in 2.6.29-rc3, I don't see any > low level ATA or SCSI bits that turn requests tagged with REQ_DISCARD > into the specific ATA or SCSI commands. Did I miss something & if not, > do we have plans to push anything upstream soonish? Bearing in mind that I'm now three weeks behind on email, you might want to look at http://git.kernel.org/?p=linux/kernel/git/willy/ssd.git;a=shortlog;h=trim-20081231 which has at least one known bug (fixed by Dave Woodhouse and Ben Herrenschmidt). I'll be able to give a more coherent answer in a few days. Or maybe Dave will beat me to it ;-) -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
