Note why disk scheduler is shared ptr

cmu-db · Jan 22, 2025 · 7606469 · 7606469
1 parent b2563bb
commit 7606469
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/include/buffer/buffer_pool_manager.h b/src/include/buffer/buffer_pool_manager.h
@@ -153,7 +153,7 @@ class BufferPoolManager {
   /** @brief The replacer to find unpinned / candidate pages for eviction. */
   std::shared_ptr<LRUKReplacer> replacer_;
 
-  /** @brief A pointer to the disk scheduler. */
+  /** @brief A pointer to the disk scheduler. Shared with the page guards for flushing. */
   std::shared_ptr<DiskScheduler> disk_scheduler_;
 
   /**