Re: [PATCH v6 02/16] chardev: introduce cdev_get_by_path()

Matthew Wilcox
2019-07-25T19:00:27Z

On Thu, Jul 25, 2019 at 08:27:01PM +0200, Greg Kroah-Hartman wrote:
> > NVMe-OF is configured using configfs. The target is specified by the
> > user writing a path to a configfs attribute. This is the way it works
> > today but with blkdev_get_by_path()[1]. For the passthru code, we need
> > to get a nvme_ctrl instead of a block_device, but the principal is the same.
>
> Why isn't a fd being passed in there instead of a random string?

I suppose we could echo a string of the file descriptor number there,
and look up the fd in the process' file descriptor table ...

I'll get my coat.