Merge patch series "remove or unexport unused fs_conext infrastructure"

Christoph Hellwig <hch@lst.de> says:

Now that the fs_context conversion is finished, remove all the bits
that did not end up having users, or unexport them if the users are
always built in.

* patches from https://patch.msgid.link/20260219065014.3550402-1-hch@lst.de:
  fs: unexport fs_context_for_reconfigure
  fs: remove fsparam_path / fs_param_is_path
  fs: remove fsparam_blob / fs_param_is_blob
  fs: mark bool_names static

Link: https://patch.msgid.link/20260219065014.3550402-1-hch@lst.de
Signed-off-by: Christian Brauner <brauner@kernel.org>