On Tue, Jun 16, 2020 at 05:02:17PM +0200, Javier González wrote: > This depends very much on how the FS / application is managing > stripping. At the moment our main use case is enabling user-space > applications submitting I/Os to raw ZNS devices through the kernel. > > Can we enable this use case to start with? I think this already provides that. You can set the nsid value to whatever you want in the passthrough interface, so a namespace block device is not required to issue I/O to a ZNS namespace from user space.