3.1.4.5 Application Requests Writing To a Shared Virtual Disk
The application provides:
A handle to the Open identifying a shared virtual disk file.
The offset, in bytes, from the beginning of the virtual disk where data is written.
The number of bytes to write.
A buffer containing the bytes to be written.
The client MUST call the interface specified in [MS-SMB2] section 3.2.4.7, supplying the application-provided parameters.