CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon,
	       const int netfid, __u64 *pExtAttrBits, __u64 *pMask)
{
	int rc = 0;
	struct smb_t2_qfi_req *pSMB = NULL;
	struct smb_t2_qfi_rsp *pSMBr = NULL;
	int bytes_returned;
	__u16 params, byte_count;

	cFYI(1, "In GetExtAttr");
	if (tcon == NULL)
		return -ENODEV;

GetExtAttrRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
			(void **) &pSMBr);
	if (rc)
		return rc;

	params = 2 /* level */ + 2 /* fid */;
	pSMB->t2.TotalDataCount = 0;
	pSMB->t2.MaxParameterCount = cpu_to_le16(4);
	/* BB find exact max data count below from sess structure BB */
	pSMB->t2.MaxDataCount = cpu_to_le16(4000);
	pSMB->t2.MaxSetupCount = 0;
	pSMB->t2.Reserved = 0;
	pSMB->t2.Flags = 0;
	pSMB->t2.Timeout = 0;
	pSMB->t2.Reserved2 = 0;
	pSMB->t2.ParameterOffset = cpu_to_le16(offsetof(struct smb_t2_qfi_req,
					       Fid) - 4);
	pSMB->t2.DataCount = 0;
	pSMB->t2.DataOffset = 0;
	pSMB->t2.SetupCount = 1;
	pSMB->t2.Reserved3 = 0;
	pSMB->t2.SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION);
	byte_count = params + 1 /* pad */ ;
	pSMB->t2.TotalParameterCount = cpu_to_le16(params);
	pSMB->t2.ParameterCount = pSMB->t2.TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_ATTR_FLAGS);
	pSMB->Pad = 0;
	pSMB->Fid = netfid;
	inc_rfc1001_len(pSMB, byte_count);
	pSMB->t2.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, "error %d in GetExtAttr", rc);
	} else {
		/* decode response */
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
		/* BB also check enough total bytes returned */
		if (rc || get_bcc(&pSMBr->hdr) < 2)
			/* If rc should we check for EOPNOSUPP and
			   disable the srvino flag? or in caller? */
			rc = -EIO;      /* bad smb */
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			__u16 count = le16_to_cpu(pSMBr->t2.DataCount);
			struct file_chattr_info *pfinfo;
			/* BB Do we need a cast or hash here ? */
			if (count != 16) {
				cFYI(1, "Illegal size ret in GetExtAttr");
				rc = -EIO;
				goto GetExtAttrOut;
			}
			pfinfo = (struct file_chattr_info *)
				 (data_offset + (char *) &pSMBr->hdr.Protocol);
			*pExtAttrBits = le64_to_cpu(pfinfo->mode);
			*pMask = le64_to_cpu(pfinfo->mask);
		}
	}
GetExtAttrOut:
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto GetExtAttrRetry;
	return rc;
}
CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon,
	       const int netfid, __u64 *pExtAttrBits, __u64 *pMask)
{
	int rc = 0;
	struct smb_t2_qfi_req *pSMB = NULL;
	struct smb_t2_qfi_rsp *pSMBr = NULL;
	int bytes_returned;
	__u16 params, byte_count;

	cFYI(1, "In GetExtAttr");
	if (tcon == NULL)
		return -ENODEV;

GetExtAttrRetry:
	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
			(void **) &pSMBr);
	if (rc)
		return rc;

	params = 2   + 2  ;
	pSMB->t2.TotalDataCount = 0;
	pSMB->t2.MaxParameterCount = cpu_to_le16(4);
	 
	pSMB->t2.MaxDataCount = cpu_to_le16(4000);
	pSMB->t2.MaxSetupCount = 0;
	pSMB->t2.Reserved = 0;
	pSMB->t2.Flags = 0;
	pSMB->t2.Timeout = 0;
	pSMB->t2.Reserved2 = 0;
	pSMB->t2.ParameterOffset = cpu_to_le16(offsetof(struct smb_t2_qfi_req,
					       Fid) - 4);
	pSMB->t2.DataCount = 0;
	pSMB->t2.DataOffset = 0;
	pSMB->t2.SetupCount = 1;
	pSMB->t2.Reserved3 = 0;
	pSMB->t2.SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION);
	byte_count = params + 1   ;
	pSMB->t2.TotalParameterCount = cpu_to_le16(params);
	pSMB->t2.ParameterCount = pSMB->t2.TotalParameterCount;
	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_ATTR_FLAGS);
	pSMB->Pad = 0;
	pSMB->Fid = netfid;
	inc_rfc1001_len(pSMB, byte_count);
	pSMB->t2.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, "error %d in GetExtAttr", rc);
	} else {
		 
		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
		 
		if (rc || get_bcc(&pSMBr->hdr) < 2)
			 
			rc = -EIO;       
		else {
			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
			__u16 count = le16_to_cpu(pSMBr->t2.DataCount);
			struct file_chattr_info *pfinfo;
			 
			if (count != 16) {
				cFYI(1, "Illegal size ret in GetExtAttr");
				rc = -EIO;
				goto GetExtAttrOut;
			}
			pfinfo = (struct file_chattr_info *)
				 (data_offset + (char *) &pSMBr->hdr.Protocol);
			*pExtAttrBits = le64_to_cpu(pfinfo->mode);
			*pMask = le64_to_cpu(pfinfo->mask);
		}
	}
GetExtAttrOut:
	cifs_buf_release(pSMB);
	if (rc == -EAGAIN)
		goto GetExtAttrRetry;
	return rc;
}