On 4/13/21 11:26, Javier González wrote: >>> I believe there is space for extensions to simple copy. But given the >>> experience with XCOPY, I can imagine that changes will be incremental, >>> based on very specific use cases. >>> >>> I think getting support upstream and bringing deployed cases is a very >>> good start. >> Copying data (files) within the controller/subsystem from ns_A to ns_B >> using NVMf will reduce network BW and memory BW in the host server. >> >> This feature is well known and the use case is well known. > Definitely. > I've a working code for nvmet for simple copy, I'm waiting to resolve the host interface for REQ_OP_COPY so I can post it with this series. Let me know if someone wants to collaborate offline on that. IMHO we first need to sort out the host side interface which is a challenge for years and it is not that easy to get it right based on the history.
