[PATCH] nvme: print out valid arguments when reading from /dev/nvme-fabrics

[Chaitanya Kulkarni]

On 11/19/21 00:39, Hannes Reinecke wrote:
> Currently applications have a hard time figuring out which
> nvme-over-fabrics arguments are supported for any given kernel;
> the ioctl will return an error code on failure, and the application
> has to guess whether this was due to an invalid argument or due
> to a connection or controller error.
> With this patch applications can read a list of supported
> arguments by simply reading from /dev/nvme-fabrics, allowing
> them to validate the connection string.
> 
> Signed-off-by: Hannes Reinecke <hare at suse.de>

this seems useful and will avoid a trip to the source code.

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>