[PATCH v2 05/10] maple_tree: Make the code symmetrical in mas_wr_extend_null()

From: Peng Zhang
Date: Wed May 17 2023 - 04:59:42 EST


Just make the code symmetrical to improve readability.

Signed-off-by: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
lib/maple_tree.c | 26 ++++++++++++++------------
1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 82dccc660889..f881bce1a9f6 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4262,19 +4262,21 @@ static inline void mas_wr_extend_null(struct ma_wr_state *wr_mas)
{
struct ma_state *mas = wr_mas->mas;

- if (mas->last < wr_mas->end_piv && !wr_mas->slots[wr_mas->offset_end])
+ if (!wr_mas->slots[wr_mas->offset_end]) {
+ /* If this one is null, the next and prev are not */
mas->last = wr_mas->end_piv;
-
- /* Check next slot(s) if we are overwriting the end */
- if ((mas->last == wr_mas->end_piv) &&
- (wr_mas->node_end != wr_mas->offset_end) &&
- !wr_mas->slots[wr_mas->offset_end + 1]) {
- wr_mas->offset_end++;
- if (wr_mas->offset_end == wr_mas->node_end)
- mas->last = mas->max;
- else
- mas->last = wr_mas->pivots[wr_mas->offset_end];
- wr_mas->end_piv = mas->last;
+ } else {
+ /* Check next slot(s) if we are overwriting the end */
+ if ((mas->last == wr_mas->end_piv) &&
+ (wr_mas->node_end != wr_mas->offset_end) &&
+ !wr_mas->slots[wr_mas->offset_end + 1]) {
+ wr_mas->offset_end++;
+ if (wr_mas->offset_end == wr_mas->node_end)
+ mas->last = mas->max;
+ else
+ mas->last = wr_mas->pivots[wr_mas->offset_end];
+ wr_mas->end_piv = mas->last;
+ }
}

if (!wr_mas->content) {
--
2.20.1