Method Sync

vfs/read_write.go:416–429

Sync commits the current contents of the file to stable storage. Typically, this means flushing the file system's in-memory copy of recently written data to disk.

()

// this means flushing the file system's in-memory copy of recently written
// data to disk.
func (fh *RWFileHandle) Sync() error {
	fh.mu.Lock()
	defer fh.mu.Unlock()
	if fh.closed {
		return ECLOSED
	}
	if !fh.opened {
		return nil
	}
	if fh.readOnly() {
		return nil
	}
	return fh.item.Sync()
}

func (fh *RWFileHandle) logPrefix() string {
	return fmt.Sprintf("%s(%p)", fh.file.Path(), fh)