+int
+CIFSSMBCopy(const int xid, struct cifsTconInfo *tcon, const char * fromName,
+ const __u16 target_tid, const char *toName, const int flags,
+ const struct nls_table *nls_codepage)
+{
+ int rc = 0;
+ COPY_REQ *pSMB = NULL;
+ COPY_RSP *pSMBr = NULL;
+ int bytes_returned;
+ int name_len, name_len2;
+
+ cFYI(1, ("In CIFSSMBCopy"));
+copyRetry:
+ rc = smb_init(SMB_COM_COPY, 1, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ pSMB->BufferFormat = 0x04;
+ pSMB->Tid2 = target_tid;
+
+ if(flags & COPY_TREE)
+ pSMB->Flags |= COPY_TREE;
+ pSMB->Flags = cpu_to_le16(pSMB->Flags);
+
+ if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
+ name_len = cifs_strtoUCS((wchar_t *) pSMB->OldFileName,
+ fromName,
+ 530 /* find define for this maxpathcomponent */,
+ nls_codepage);
+ name_len++; /* trailing null */
+ name_len *= 2;
+ pSMB->OldFileName[name_len] = 0x04; /* pad */
+ /* protocol requires ASCII signature byte on Unicode string */
+ pSMB->OldFileName[name_len + 1] = 0x00;
+ name_len2 = cifs_strtoUCS((wchar_t *) & pSMB->
+ OldFileName[name_len + 2], toName, 530,
+ nls_codepage);
+ name_len2 += 1 /* trailing null */ + 1 /* Signature word */ ;
+ name_len2 *= 2; /* convert to bytes */
+ } else { /* BB improve the check for buffer overruns BB */
+ name_len = strnlen(fromName, 530);
+ name_len++; /* trailing null */
+ strncpy(pSMB->OldFileName, fromName, name_len);
+ name_len2 = strnlen(toName, 530);
+ name_len2++; /* trailing null */
+ pSMB->OldFileName[name_len] = 0x04; /* 2nd buffer format */
+ strncpy(&pSMB->OldFileName[name_len + 1], toName, name_len2);
+ name_len2++; /* trailing null */
+ name_len2++; /* signature byte */
+ }
+
+ pSMB->ByteCount = 1 /* 1st signature byte */ + name_len + name_len2;
+ pSMB->hdr.smb_buf_length += pSMB->ByteCount;
+ pSMB->ByteCount = cpu_to_le16(pSMB->ByteCount);
+
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cFYI(1, ("Send error in copy = %d with %d files copied",
+ rc, pSMBr->CopyCount));
+ }
+ if (pSMB)
+ cifs_buf_release(pSMB);
+
+ if (rc == -EAGAIN)
+ goto copyRetry;
+
+ return rc;
+}