[PATCH] bcachefs: Convert open-coded extra computation to helper

[Alan Huang]

This patch replaces open-coded extra computation to eytzinger1_extra.

Signed-off-by: Alan Huang <mmpgour...@gmail.com>
---
 fs/bcachefs/bset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/bcachefs/bset.c b/fs/bcachefs/bset.c
index b95deeb83071..e7c44f35f0c5 100644
--- a/fs/bcachefs/bset.c
+++ b/fs/bcachefs/bset.c
@@ -733,7 +733,7 @@ static noinline void __build_ro_aux_tree(struct btree *b, 
struct bset_tree *t)
                return;
        }
 
-       t->extra = (t->size - rounddown_pow_of_two(t->size - 1)) << 1;
+       t->extra = eytzinger1_extra(t->size - 1);
 
        /* First we figure out where the first key in each cacheline is */
        eytzinger1_for_each(j, t->size - 1) {
-- 
2.45.2