[PATCH v2 1/3] fs: configfs: add helper to identify configfs paths

[Christoph Hellwig]

On Wed, Aug 19, 2026 at 11:52:26PM +0800, Runyu Xiao wrote:
> Several nvmet paths need to identify configfs-backed resolved paths while
> already running under configfs callbacks. Keep the classification in
> configfs itself so callers can reuse the filesystem-type test instead of
> open-coding string comparisons.

Looks good:

Reviewed-by: Christoph Hellwig <hch at lst.de>