From 0b68b68ec4a3f967f56a10e3d156e18139e771c4 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Thu, 29 Oct 2020 16:32:45 -0700
Subject: [PATCH] reload entry only when it is a hard link

fix https://github.com/chrislusf/seaweedfs/issues/1581
---
 weed/filesys/file.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/weed/filesys/file.go b/weed/filesys/file.go
index 7aa1016d7..fb7b83cbe 100644
--- a/weed/filesys/file.go
+++ b/weed/filesys/file.go
@@ -253,9 +253,15 @@ func (file *File) Forget() {
 }
 
 func (file *File) maybeLoadEntry(ctx context.Context) error {
-	if (file.entry != nil && len(file.entry.HardLinkId) != 0) || file.isOpen > 0 {
+	if file.isOpen > 0 {
 		return nil
 	}
+	if file.entry != nil {
+		if len(file.entry.HardLinkId) == 0 {
+			// only always reload hard link
+			return nil
+		}
+	}
 	entry, err := file.wfs.maybeLoadEntry(file.dir.FullPath(), file.Name)
 	if err != nil {
 		glog.V(3).Infof("maybeLoadEntry file %s/%s: %v", file.dir.FullPath(), file.Name, err)
@@ -263,6 +269,8 @@ func (file *File) maybeLoadEntry(ctx context.Context) error {
 	}
 	if entry != nil {
 		file.setEntry(entry)
+	} else {
+		glog.Warningf("maybeLoadEntry not found entry %s/%s: %v", file.dir.FullPath(), file.Name, err)
 	}
 	return nil
 }