Re: RFC Block Layer Extensions to Support NV-DIMMs

2013-09-23 Thread Rob Gittins
On Fri, 2013-09-06 at 22:12 -0700, Vladislav Bolkhovitin wrote: > Rob Gittins, on 09/04/2013 02:54 PM wrote: > > Non-volatile DIMMs have started to become available. A NVDIMMs is a > > DIMM that does not lose data across power interruptions. Some of the > > NVDIMMs act like

Re: RFC Block Layer Extensions to Support NV-DIMMs

2013-09-05 Thread Rob Gittins
Hi Jeff, Thanks for taking the time to look at this. On Thu, 2013-09-05 at 08:12 -0400, Jeff Moyer wrote: > Rob Gittins writes: > > > Direct Memory Mappable DIMMs (DMMD) appear in the system address space > > and are accessed via load and store instructions. These NVDIMMs &

RFC Block Layer Extensions to Support NV-DIMMs

2013-09-04 Thread Rob Gittins
Non-volatile DIMMs have started to become available. A NVDIMMs is a DIMM that does not lose data across power interruptions. Some of the NVDIMMs act like memory, while others are more like a block device on the memory bus. Application uses vary from being used to cache critical data, to being a