[RFC PATCH] nvme: replace lazy sgl warn with informational message

[Christoph Hellwig]

On Thu, Jan 30, 2025 at 09:51:31AM -0800, Keith Busch wrote:
> From: Keith Busch <kbusch at kernel.org>
> 
> Instead of warning about the device's SGL capabilities the first time we
> consider using them with a passthrough command, print out what the
> device is capable of during initialization. While we're at it, print
> other interesting capabilities that may be useful to know when you just
> have a dmesg. The ouput format was inspired by other existing subsystems
> like pci.
> 
> And example of the new message when used with a default qemu nvme
> emulated device:
> 
>   nvme nvme0: sgl+ meta-sgl+ sed- vwc+ apst- dsm+ wz+

Printing out the capabilities sounds really useful.  But I don't see
how this is useful for replacing the warning about the unchecked
passthrough?