bcachefs: __bch2_move_data_phys() now uses bch2_btree_node_rewrite_pos()

Kill most of the separate logic for btree nodes.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-12-28 21:04:36 -05:00
commit 2a2f7aaa8d