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<div class=Section1>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Some code reviews:<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;
mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US
style='color:#1F497D'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><u><span lang=EN-US style='color:#1F497D'>./transport/socket/src/socket.c:socket_submit</span></u><span
lang=EN-US style='color:#1F497D'> maybe conflict with <u>./xlators/protocol/client/src/client-protocol.c:protocol_client_xfer</u><o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>694&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (conn-&gt;connected ||<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>695&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
((type == GF_OP_TYPE_MOP_REQUEST) &amp;&amp;<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>696&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(op == GF_MOP_SETVOLUME))) {<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>697&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
ret = transport_submit (trans, (char *)hdr, hdrlen,<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>698&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;vector,
count, refs);<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1211&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
pthread_mutex_lock (&amp;priv-&gt;lock);<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1212&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
{<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1213&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (priv-&gt;connected != 1) {<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1214&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!priv-&gt;submit_log &amp;&amp; !priv-&gt;connect_finish_log) {<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1215&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
gf_log (this-&gt;xl-&gt;name, GF_LOG_ERROR,<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1216&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&quot;not connected (priv-&gt;connected = %d)&quot;,<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1217&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
priv-&gt;connected);<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1218&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
priv-&gt;submit_log = 1;<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1219&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1220&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
goto unlock;<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>1221&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>It seems if a socket
is not connected finally, <u>protocol_client_xfer</u> would try to submit GF_MOP_SETVOLUME,
but <u>socket_submit</u> would reject it.<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;
mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US
style='color:#1F497D'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=EN-US style='color:#1F497D'>fetch-spec.c
seems broken.<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>if CHANNEL_BULK is
connected after CHANNEL_LOWLAT, the fetch_spec would exit incorrectly.<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I have a patch here:<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;
mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US
style='color:#1F497D'><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=EN-US style='color:#1F497D'>mount.glusterfs
would hang if no augments are given<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I also have a patch
here<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;
mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US
style='color:#1F497D'><span style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span lang=EN-US style='color:#1F497D'>cannot
build on RHEL/CentOS/Fedora, the most popular RPM-based system. Because glusters
requires &#8216;apache-devel&#8217;, actually it would be &#8216;httpd-devel&#8217;<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I also have a patch
here<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<div>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>

<p class=MsoNormal align=left style='text-align:left'><b><span lang=EN-US
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Kirby
Zhou [mailto:kirbyzhou@sohu-rd.com] <br>
<b>Sent:</b> Sunday, March 15, 2009 2:36 PM<br>
<b>To:</b> 'Kirby Zhou'; gluster-devel@nongnu.org<br>
<b>Subject:</b> RE: [Gluster-devel] glusterfs cannot get spec from remote.<o:p></o:p></span></p>

</div>

</div>

<p class=MsoNormal align=left style='text-align:left'><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Version 2.0.0rc4<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<div>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>

<p class=MsoNormal align=left style='text-align:left'><b><span lang=EN-US
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
gluster-devel-bounces+kirbyzhou=sohu-rd.com@nongnu.org
[mailto:gluster-devel-bounces+kirbyzhou=sohu-rd.com@nongnu.org] <b>On Behalf Of
</b>Kirby Zhou<br>
<b>Sent:</b> Sunday, March 15, 2009 2:35 PM<br>
<b>To:</b> gluster-devel@nongnu.org<br>
<b>Subject:</b> [Gluster-devel] glusterfs cannot get spec from remote.<o:p></o:p></span></p>

</div>

</div>

<p class=MsoNormal align=left style='text-align:left'><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US>For example:<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US>[root@xen-727057 ~]# glusterfs --no-daemon
--volfile-server 10.10.123.21 --volfile-server-port 6986 /mnt<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>error while getting volume file from server
10.10.123.21<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>Try `glusterfs --help' or `glusterfs
--usage' for more information.<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US>Using tcpdump to capture packages, there is
no requite to be sent:<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US>[root@xen-727057 ~]# tcpdump tcp port 6986
-n<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>tcpdump: verbose output suppressed, use -v
or -vv for full protocol decode<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>listening on eth0, link-type EN10MB
(Ethernet), capture size 96 bytes<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.584355 IP 10.10.63.202.1023 &gt;
10.10.123.21.6986: S 2145611414:2145611414(0) win 5840 &lt;mss
1460,sackOK,timestamp 230654970 0,nop,wscale 7&gt;<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.584535 IP 10.10.123.21.6986 &gt;
10.10.63.202.1023: S 2304819495:2304819495(0) ack 2145611415 win 5840 &lt;mss
1460&gt;<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.584569 IP 10.10.63.202.1023 &gt;
10.10.123.21.6986: . ack 1 win 5840<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.588027 IP 10.10.63.202.1022 &gt;
10.10.123.21.6986: S 2148558987:2148558987(0) win 5840 &lt;mss
1460,sackOK,timestamp 230654971 0,nop,wscale 7&gt;<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.588208 IP 10.10.123.21.6986 &gt;
10.10.63.202.1022: S 2307519548:2307519548(0) ack 2148558988 win 5840 &lt;mss
1460&gt;<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.588225 IP 10.10.63.202.1022 &gt;
10.10.123.21.6986: . ack 1 win 5840<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.588805 IP 10.10.63.202.1023 &gt;
10.10.123.21.6986: F 1:1(0) ack 1 win 5840<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.588827 IP 10.10.63.202.1022 &gt;
10.10.123.21.6986: F 1:1(0) ack 1 win 5840<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.589014 IP 10.10.123.21.6986 &gt;
10.10.63.202.1022: F 1:1(0) ack 2 win 5840<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.589026 IP 10.10.63.202.1022 &gt;
10.10.123.21.6986: . ack 2 win 5840<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.589187 IP 10.10.123.21.6986 &gt;
10.10.63.202.1023: F 1:1(0) ack 2 win 5840<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US>14:31:22.589197 IP 10.10.63.202.1023 &gt;
10.10.123.21.6986: . ack 2 win 5840<o:p></o:p></span></p>

<p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span lang=EN-US><o:p>&nbsp;</o:p></span></p>

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