crimson/os/seastore/btree: drop unused lba mapping method

Signed-off-by: Xuehan Xu <xuxuehan@qianxin.com>

diff --git a/src/crimson/os/seastore/btree/btree_range_pin.h b/src/crimson/os/seastore/btree/btree_range_pin.h
index 68188e9ff55022b91df5fd528b7120a51e871d04..7a08b6d894729e2830f3b0043ae805d662d55bcb 100644 (file)
--- a/src/crimson/os/seastore/btree/btree_range_pin.h
+++ b/src/crimson/os/seastore/btree/btree_range_pin.h
@@ -153,10 +153,6 @@ public:
     return parent;
   }
 
-  void set_parent(CachedExtentRef ext) {
-    parent = ext;
-  }
-
   uint16_t get_pos() const final {
     return pos;
   }