Remove unused api methods.

fuse/api.go

@@ -28,11 +28,6 @@ type FsNode interface {
 	Inode() *Inode
 	SetInode(node *Inode)
 
-	// RmChild and AddChild run inside the critical section for
-	// the mutex behind Inode().LockTree().
-	RmChild(name string, child FsNode)
-	AddChild(name string, child FsNode)
-
 	Lookup(name string, context *Context) (fi *os.FileInfo, node FsNode, code Status)
 	OnForget()
 
@@ -52,7 +47,6 @@ type FsNode interface {
 	// Files
 	Create(name string, flags uint32, mode uint32, context *Context) (file File, fi *os.FileInfo, newNode FsNode, code Status)
 	Open(flags uint32, context *Context) (file File, code Status)
-	Flush(file File, openFlags uint32, context *Context) (code Status)
 	OpenDir(context *Context) (chan DirEntry, Status)
 
 	// XAttrs

fuse/defaultnode.go

@@ -43,12 +43,6 @@ func (me *DefaultFsNode) Inode() *Inode {
 func (me *DefaultFsNode) OnForget() {
 }
 
-func (me *DefaultFsNode) RmChild(name string, child FsNode) {
-}
-
-func (me *DefaultFsNode) AddChild(name string, child FsNode) {
-}
-
 func (me *DefaultFsNode) Lookup(name string, context *Context) (fi *os.FileInfo, node FsNode, code Status) {
 	return nil, nil, ENOSYS
 }

fuse/fsops.go

@@ -277,12 +277,6 @@ func (me *FileSystemConnector) Release(header *InHeader, input *ReleaseIn) {
 	opened.WithFlags.File.Release()
 }
 
-func (me *FileSystemConnector) Flush(header *InHeader, input *FlushIn) Status {
-	node := me.toInode(header.NodeId)
-	opened := node.mount.getOpenedFile(input.Fh)
-	return node.fsInode.Flush(opened.WithFlags.File, opened.WithFlags.OpenFlags, &header.Context)
-}
-
 func (me *FileSystemConnector) ReleaseDir(header *InHeader, input *ReleaseIn) {
 	node := me.toInode(header.NodeId)
 	opened := node.mount.unregisterFileHandle(input.Fh, node)