bcachefs: Fix check_path() across subvolumes

Checking of directory structure across subvolumes was broken - we need
to look up the snapshot ID of the parent subvolume when crossing subvol
boundaries.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2021-10-19 01:08:05 -04:00 • committed by Kent Overstreet
commit 488f97764a