[PATCH 2/2] nvme: add vectored-io support for user passthru

[Christoph Hellwig]

On Thu, Jan 27, 2022 at 01:55:36PM +0530, Kanchan Joshi wrote:
> wire up support for passthru that takes an array of buffers (using
> iovec). Enable it for NVME_IOCTL_IO64_CMD; same ioctl code to be used
> with following differences -

Flags overloading for a completely different ABI is a bad idea.
Please add a separate ioctl instead.