[PATCH] nvme: don't set a virt_boundary unless needed

[Christoph Hellwig]

On Thu, Dec 21, 2023 at 02:32:35PM +0200, Sagi Grimberg wrote:
> Exactly because its odd. Unless there is any benefit of using sgls in
> admin commands lets not flag it per transport.

The other transports always and unconditionally use SGLs anyway.  With
the virt boundary we're just adding extra checks to fail certain
passthrough admin commands (the kernel will never generate those cases).