bcachefs: Tiny bch2_trans_update_by_path_trace() optimization

This just removes a redundant comparison - there's more work we could do
here to remove some redundant copying.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2022-11-22 23:47:22 -05:00
commit a2519a9688