Fixing the creation of multiple inode creation for the same name when MkDir executed simultaneously.

Author: skuppa-veeva

internal/goofys.go

@@ -1046,8 +1046,8 @@ func (fs *Goofys) MkDir(
 	op *fuseops.MkDirOp) (err error) {
 
 	fs.mu.RLock()
+	defer fs.mu.RUnlock()
 	parent := fs.getInodeOrDie(op.Parent)
-	fs.mu.RUnlock()
 
 	// ignore op.Mode for now
 	inode, err := parent.MkDir(op.Name)
@@ -1056,11 +1056,7 @@ func (fs *Goofys) MkDir(
 	}
 
 	parent.mu.Lock()
-
-	fs.mu.Lock()
-	defer fs.mu.Unlock()
 	fs.insertInode(parent, inode)
-
 	parent.mu.Unlock()
 
 	op.Entry.Child = inode.Id