CIFSPOSIXCreate
rc = CIFSPOSIXCreate(xid, tcon, posix_flags, mode, pnetfid, presp_data,
rc = CIFSPOSIXCreate(xid, tcon, SMB_O_DIRECTORY | SMB_O_CREAT, mode,
int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,