bcachefs: Fix off-by-one error in ptr gen check

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2020-10-13 00:06:36 -04:00 • committed by Kent Overstreet
commit 9ee38f62da