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[CIFS] Add support for legacy servers part eight. Write fixes for Windows

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ME, and do not set ctime unless explicitly requested with atime and/or
mtime (it gets thrown away by most servers anyway as there is no way to set
this via posix).

Signed-off-by: Steve French (sfrench@us.ibm.com)
This commit is contained in:
Steve French
2005-09-20 20:49:16 -07:00
parent 3e87d80391
commit e30dcf3a19
4 changed files with 66 additions and 31 deletions
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15
fs/cifs/cifssmb.c
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@@ -1072,7 +1072,7 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
if (bytes_sent > count)
bytes_sent = count;
pSMB->DataOffset =
cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4);
cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4);
if(buf)
memcpy(pSMB->Data,buf,bytes_sent);
else if(ubuf) {
@@ -1080,20 +1080,23 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
cifs_buf_release(pSMB);
return -EFAULT;
}
} else {
} else if (count != 0) {
/* No buffer */
cifs_buf_release(pSMB);
return -EINVAL;
} /* else setting file size with write of zero bytes */
if(wct == 14)
byte_count = bytes_sent + 1; /* pad */
else /* wct == 12 */ {
byte_count = bytes_sent + 5; /* bigger pad, smaller smb hdr */
}
byte_count = bytes_sent + 1 /* pad */ ; /* BB fix this for sends > 64K */
pSMB->DataLengthLow = cpu_to_le16(bytes_sent & 0xFFFF);
pSMB->DataLengthHigh = cpu_to_le16(bytes_sent >> 16);
pSMB->hdr.smb_buf_length += bytes_sent+1;
pSMB->hdr.smb_buf_length += byte_count;
if(wct == 14)
pSMB->ByteCount = cpu_to_le16(byte_count);
else { /* old style write has byte count 4 bytes earlier */
else { /* old style write has byte count 4 bytes earlier so 4 bytes pad */
struct smb_com_writex_req * pSMBW =
(struct smb_com_writex_req *)pSMB;
pSMBW->ByteCount = cpu_to_le16(byte_count);