bcachefs: better __bch2_snapshot_is_ancestor() assert

Previously, we weren't checking the result of the skiplist walk, just
the is_ancestor bitmap.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-06-13 15:17:37 -04:00
commit f2ed089273