From e0bfd3161a5199b393d671ccb4c0a7e2ebba553d Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Sat, 15 Aug 2020 19:56:24 -0700
Subject: [PATCH] update metadata only if changed

---
 weed/filesys/file.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/weed/filesys/file.go b/weed/filesys/file.go
index ec7ece604..644dd0347 100644
--- a/weed/filesys/file.go
+++ b/weed/filesys/file.go
@@ -170,6 +170,10 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f
 		return nil
 	}
 
+	if !file.dirtyMetadata {
+		return nil
+	}
+
 	return file.saveEntry()
 
 }