[PATCH v2 08/19] maple_tree: Use prefetched value in mas_wr_store_type()

[Liam R. Howlett (Oracle)]

The slot contents exist in wr_mas->content, which has less overhead than
reading the slot again.

Signed-off-by: Liam R. Howlett (Oracle) <liam at infradead.org>
---
 lib/maple_tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 3886b856d6e3a..8f5a7fa10cf4c 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -3279,7 +3279,7 @@ static inline void mas_wr_slot_store(struct ma_wr_state *wr_mas)
 	void __rcu **slots = wr_mas->slots;
 	bool gap = false;
 
-	gap |= !mt_slot_locked(mas->tree, slots, offset);
+	gap |= !wr_mas->content;
 	gap |= !mt_slot_locked(mas->tree, slots, offset + 1);
 
 	if (wr_mas->offset_end - offset == 1) {
-- 
2.47.3