def rollback_write(self, path, name):
"""
Rollback a filesystem write. If the file does not exist, fail silently.
Arguments:
path<string> -- Absolute filesystem path to file.
name<string> -- Image name.
Returns:
True if image was successfully removed, else False.
"""
result = False
writer = FileWriter()
if writer.file_exists(path + name):
writer.unwrite(path, name)
print 'Rolled back write of %s at %s.' % (name, path)
result = True
return result
