The SMB2 FLUSH Request packet is sent by a client to request that a server flushes all cached file information for a specified open of a file to the persistent store that backs the file. It is also sent for a specified open of a named pipe to be completed when all data that is written to the named pipe has been read by the server side of the pipe. This request is composed of an SMB2 header, as specified in section , followed by this request structure:
