bcachefs: Use max() to improve gen_after()

Use max() to simplify gen_after() and improve its readability.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/buckets.h b/fs/bcachefs/buckets.h
index 6aeec1c0973ce9b468d471c1e543c6455f06aceb..c5363256e3638771eba5dc9a4e7689642a3f8037 100644 (file)
--- a/fs/bcachefs/buckets.h
+++ b/fs/bcachefs/buckets.h
@@ -140,9 +140,7 @@ static inline int gen_cmp(u8 a, u8 b)
 
 static inline int gen_after(u8 a, u8 b)
 {
-       int r = gen_cmp(a, b);
-
-       return r > 0 ? r : 0;
+       return max(0, gen_cmp(a, b));
 }
 
 static inline int dev_ptr_stale_rcu(struct bch_dev *ca, const struct bch_extent_ptr *ptr)