CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon, struct kstatfs *FSData)
{
/* level 0x103 SMB_QUERY_FILE_SYSTEM_INFO */
	TRANSACTION2_QFSI_REQ *pSMB = NULL;
	TRANSACTION2_QFSI_RSP *pSMBr = NULL;
	FILE_SYSTEM_INFO *response_data;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count;

	cFYI(1, "In QFSInfo");
QFSInfoRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	params = 2;	/* level */
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	byte_count = params + 1 /* pad */ ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
		struct smb_com_transaction2_qfsi_req, InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_SIZE_INFO);
	inc_rfc1001_len(pSMB, byte_count);
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, "Send error in QFSInfo = %d", rc);
	} else {		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || get_bcc(&pSMBr->hdr) < 24)
			rc = -EIO;	/* bad smb */
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);

			response_data =
			    (FILE_SYSTEM_INFO
			     *) (((char *) &pSMBr->hdr.Protocol) +
				 data_offset);
			FSData->f_bsize =
			    le32_to_cpu(response_data->BytesPerSector) *
			    le32_to_cpu(response_data->
					SectorsPerAllocationUnit);
			FSData->f_blocks =
			    le64_to_cpu(response_data->TotalAllocationUnits);
			FSData->f_bfree = FSData->f_bavail =
			    le64_to_cpu(response_data->FreeAllocationUnits);
			cFYI(1, "Blocks: %lld  Free: %lld Block size %ld",
			     (unsigned long long)FSData->f_blocks,
			     (unsigned long long)FSData->f_bfree,
			     FSData->f_bsize);
		}
	}
	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto QFSInfoRetry;

	return rc;
}
CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon, struct kstatfs *FSData)
{
 
	TRANSACTION2_QFSI_REQ *pSMB = NULL;
	TRANSACTION2_QFSI_RSP *pSMBr = NULL;
	FILE_SYSTEM_INFO *response_data;
	int rc = 0;
	int bytes_returned = 0;
	__u16 params, byte_count;

	cFYI(1, "In QFSInfo");
QFSInfoRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
		      (void **) &pSMBr);
	if (rc)
		return rc;

	params = 2;	 
	pSMB->TotalDataCount = 0;
	pSMB->MaxParameterCount = cpu_to_le16(2);
	pSMB->MaxDataCount = cpu_to_le16(1000);
	pSMB->MaxSetupCount = 0;
	pSMB->Reserved = 0;
	pSMB->Flags = 0;
	pSMB->Timeout = 0;
	pSMB->Reserved2 = 0;
	byte_count = params + 1   ;
	pSMB->TotalParameterCount = cpu_to_le16(params);
	pSMB->ParameterCount = pSMB->TotalParameterCount;
	pSMB->ParameterOffset = cpu_to_le16(offsetof(
		struct smb_com_transaction2_qfsi_req, InformationLevel) - 4);
	pSMB->DataCount = 0;
	pSMB->DataOffset = 0;
	pSMB->SetupCount = 1;
	pSMB->Reserved3 = 0;
	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_FS_INFORMATION);
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FS_SIZE_INFO);
	inc_rfc1001_len(pSMB, byte_count);
	pSMB->ByteCount = cpu_to_le16(byte_count);

	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
	if (rc) {
		cFYI(1, "Send error in QFSInfo = %d", rc);
	} else {		 
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);

		if (rc || get_bcc(&pSMBr->hdr) < 24)
			rc = -EIO;	 
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);

			response_data =
			    (FILE_SYSTEM_INFO
			     *) (((char *) &pSMBr->hdr.Protocol) +
				 data_offset);
			FSData->f_bsize =
			    le32_to_cpu(response_data->BytesPerSector) *
			    le32_to_cpu(response_data->
					SectorsPerAllocationUnit);
			FSData->f_blocks =
			    le64_to_cpu(response_data->TotalAllocationUnits);
			FSData->f_bfree = FSData->f_bavail =
			    le64_to_cpu(response_data->FreeAllocationUnits);
			cFYI(1, "Blocks: %lld  Free: %lld Block size %ld",
			     (unsigned long long)FSData->f_blocks,
			     (unsigned long long)FSData->f_bfree,
			     FSData->f_bsize);
		}
	}
	cifs_buf_release(pSMB);

	if (rc == -EAGAIN)
		goto QFSInfoRetry;

	return rc;
}