Re: Draft NVDIMM proposal

2018-05-17 Thread George Dunlap
On 05/15/2018 07:06 PM, Dan Williams wrote: > On Tue, May 15, 2018 at 7:19 AM, George Dunlap > wrote: >> So, who decides what this SPA range and interleave set is? Can the >> operating system change these interleave sets and mappings, or change >> data from PMEM to

Re: Draft NVDIMM proposal

2018-05-15 Thread Dan Williams
On Tue, May 15, 2018 at 7:19 AM, George Dunlap wrote: > On 05/11/2018 05:33 PM, Dan Williams wrote: >> [ adding linux-nvdimm ] >> >> Great write up! Some comments below... > > Thanks for the quick response! > > It seems I still have some fundamental misconceptions about

Re: Draft NVDIMM proposal

2018-05-15 Thread Dan Williams
On Tue, May 15, 2018 at 5:26 AM, Jan Beulich wrote: On 15.05.18 at 12:12, wrote: [..] >> That is, each fsdax / devdax namespace has a superblock that, in part, >> defines what parts are used for Linux and what parts are used for data. Or >> to

Re: Draft NVDIMM proposal

2018-05-15 Thread George Dunlap
On 05/11/2018 05:33 PM, Dan Williams wrote: > [ adding linux-nvdimm ] > > Great write up! Some comments below... Thanks for the quick response! It seems I still have some fundamental misconceptions about what's going on, so I'd better start with that. :-) Here's the part that I'm having a hard

Re: Draft NVDIMM proposal

2018-05-15 Thread George Dunlap
> On May 15, 2018, at 1:26 PM, Jan Beulich wrote: > On 15.05.18 at 12:12, wrote: >>> On May 15, 2018, at 11:05 AM, Roger Pau Monne wrote: >>> On Fri, May 11, 2018 at 09:33:10AM -0700, Dan Williams wrote: [ adding

Re: Draft NVDIMM proposal

2018-05-15 Thread Jan Beulich
>>> On 15.05.18 at 12:12, wrote: >> On May 15, 2018, at 11:05 AM, Roger Pau Monne wrote: >> On Fri, May 11, 2018 at 09:33:10AM -0700, Dan Williams wrote: >>> [ adding linux-nvdimm ] >>> >>> Great write up! Some comments below... >>> >>> On Wed,

Re: Draft NVDIMM proposal

2018-05-15 Thread George Dunlap
> On May 15, 2018, at 11:05 AM, Roger Pau Monne wrote: > > Just some replies/questions to some of the points raised below. > > On Fri, May 11, 2018 at 09:33:10AM -0700, Dan Williams wrote: >> [ adding linux-nvdimm ] >> >> Great write up! Some comments below... >> >> On

Re: Draft NVDIMM proposal

2018-05-15 Thread Roger Pau Monné
Just some replies/questions to some of the points raised below. On Fri, May 11, 2018 at 09:33:10AM -0700, Dan Williams wrote: > [ adding linux-nvdimm ] > > Great write up! Some comments below... > > On Wed, May 9, 2018 at 10:35 AM, George Dunlap > wrote: > >> To use

Re: Draft NVDIMM proposal

2018-05-11 Thread Dan Williams
[ adding linux-nvdimm ] Great write up! Some comments below... On Wed, May 9, 2018 at 10:35 AM, George Dunlap wrote: > Dan, > > I understand that you're the NVDIMM maintainer for Linux. I've been > working with your colleagues to try to sort out an architecture to