On Wed, Mar 23, 2016 at 10:46:56AM +0800, Xiao Guangrong wrote: > On 03/23/2016 04:30 AM, Stefan Hajnoczi wrote: > >On Tue, Mar 22, 2016 at 08:37:40AM -0700, Dan Williams wrote: > >>On Thu, Mar 17, 2016 at 3:04 AM, Stefan Hajnoczi <stefanha@xxxxxxxxx> wrote: > >>>On Thu, Mar 17, 2016 at 04:32:46PM +0800, Xiao Guangrong wrote: > >The QEMU NVDIMM device only supports pmem so now I'm not sure we need > >namespace labels or the ACPI DSM at all. > > > > We are planing to support PBLK which "simulated BLK it can simply make one big > aperture that happens to overlap the same address range as PMEM", it will "allow > enabling BTT on BLK namespaces to support power-fail-safe sector updates for a > filesystem on PMEM". The idea was contributed by Dan in our internal discussion... Thanks, that makes sense. Stefan
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