[CIFS] Send SMB flush in cifs_fsync

[net-next-2.6.git] / fs / cifs / cifssmb.c

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 939e2f76b9596203ab68276a59aad6fd8c36981e..4c344fe7a152da6a42333045c7403c134976ab8f 100644 (file)
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1933,6 +1933,27 @@ CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, int smb_file_id)
        return rc;
 }
 
+int
+CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon, int smb_file_id)
+{
+       int rc = 0;
+       FLUSH_REQ *pSMB = NULL;
+       cFYI(1, ("In CIFSSMBFlush"));
+
+       rc = small_smb_init(SMB_COM_FLUSH, 1, tcon, (void **) &pSMB);
+       if (rc)
+               return rc;
+
+       pSMB->FileID = (__u16) smb_file_id;
+       pSMB->ByteCount = 0;
+       rc = SendReceiveNoRsp(xid, tcon->ses, (struct smb_hdr *) pSMB, 0);
+       cifs_stats_inc(&tcon->num_flushes);
+       if (rc)
+               cERROR(1, ("Send error in Flush = %d", rc));
+
+       return rc;
+}
+
 int
 CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
              const char *fromName, const char *toName,