READ_RSP
#define CIFS_MAX_RSIZE ((1<<24) - sizeof(READ_RSP))
#define CIFS_MAX_RFC1002_RSIZE ((1<<17) - 1 - sizeof(READ_RSP))
READ_RSP *pSMBr = NULL;
pSMBr = (READ_RSP *)rsp_iov.iov_base;
.read_rsp_size = sizeof(READ_RSP),
READ_RSP *rsp = (READ_RSP *)buf;
READ_RSP *rsp = (READ_RSP *)buf;
defsize = server->maxBuf - sizeof(READ_RSP);