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<div class="moz-cite-prefix">On 2016年08月31日 18:59, Gechangwei wrote:<br>
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<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am asking for your help on OCFS2 again.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I can’t figure out a segment of code.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In the function dlm_register_domain which is called during mount procedure, below code stays:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> dlm = __dlm_lookup_domain(domain);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if (dlm) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if (dlm->dlm_state != DLM_CTXT_JOINED) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> spin_unlock(&dlm_domain_lock);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> mlog(ML_ERROR, "fence: dlm(%s) is not joined yet.\n", dlm->name);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> mlog(0, "This ctxt is not joined yet!\n");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> wait_event_interruptible(dlm_domain_events,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> dlm_wait_on_domain_helper(<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> domain));<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> goto retry;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I can see that it wants to look up an existed DLM context object which matches file system’s UUID.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">According to my comprehension, DLM context object must be detached from the DLM domain’s list and released when dismount.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So it’s weird that such a DLM context object can be found at the procedure of MOUNT.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Could you please provide a clue for me, if convenient?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> how are u<br>
</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Many thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">BR.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Changwei.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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