[PATCHv10 0/9] write hints with nvme fdp, scsi streams

[Christoph Hellwig]

On Thu, Nov 28, 2024 at 08:21:16AM -0700, Keith Busch wrote:
> I think of copy a little differently. When you do a normal write
> command, the host provides the controller a vector of sources and
> lengths. A copy command is like a write command, but the sources are
> just logical block addresses instead of memory addresses.
> 
> Whatever solution happens, it would be a real shame if it doesn't allow
> vectored LBAs. The token based source bio doesn't seem to extend to
> that.

POPULATE TOKEN as defined by SCSI/SBC takes a list of LBA ranges as
well.