[PATCH 5/6] nvme-ioctl: combine alloc and map

[Christoph Hellwig]

On Mon, Feb 24, 2025 at 10:21:27AM -0800, Keith Busch wrote:
> From: Keith Busch <kbusch at kernel.org>
> 
> The same pattern repeats, so combine it. Also, the existing mapping
> leaks a request if a user requests to map a vectored fixed buffer, or
> unsupportable metadata formts, so these get fixed here too.

That fix should probably be a separate backportable patch at the
beginning of the series.

Otherwise looks sane.