From a7f669044eed395ed9ca86c534c504e11af8d3e0 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Fri, 14 Aug 2020 00:22:49 -0700
Subject: [PATCH] rename also applies to open file handle

---
 weed/filesys/dir_rename.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/weed/filesys/dir_rename.go b/weed/filesys/dir_rename.go
index c2ff6f407..0e417e0ab 100644
--- a/weed/filesys/dir_rename.go
+++ b/weed/filesys/dir_rename.go
@@ -64,9 +64,16 @@ func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirector
 	// fmt.Printf("rename path: %v => %v\n", oldPath, newPath)
 	dir.wfs.fsNodeCache.Move(oldPath, newPath)
 
+	// change file handle
 	dir.wfs.handlesLock.Lock()
 	defer dir.wfs.handlesLock.Unlock()
-	delete(dir.wfs.handles, oldPath.AsInode())
+	inodeId := oldPath.AsInode()
+	existingHandle, found := dir.wfs.handles[inodeId]
+	if !found || existingHandle == nil {
+		return err
+	}
+	delete(dir.wfs.handles, inodeId)
+	dir.wfs.handles[newPath.AsInode()] = existingHandle
 
 	return err
 }