From 94592819ad0b053770214c6db415e2c8a714a37d Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Tue, 20 Oct 2020 04:29:13 +0300
Subject: [PATCH] Add comment

---
 src/Disks/DiskDecorator.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Disks/DiskDecorator.h b/src/Disks/DiskDecorator.h
index ffaf0919776..1ce3c3ea773 100644
--- a/src/Disks/DiskDecorator.h
+++ b/src/Disks/DiskDecorator.h
@@ -4,6 +4,10 @@
 
 namespace DB
 {
+
+/** Forwards all methods to another disk.
+  * Methods can be overridden by descendants.
+  */
 class DiskDecorator : public IDisk
 {
 public: