Whamcloud Community JIRA https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 [LU-7053] Do not use osd_object_find in osd_index_ea_insert https://jira.whamcloud.com/browse/LU-7053 Lustre <p>Do not use osd_object_find in osd_index_ea_insert() to avoid that notorious object find hung.</p> LU-7053 Do not use osd_object_find in osd_index_ea_insert Bug Major Resolved Fixed Di Wang Di Wang Thu, 27 Aug 2015 21:34:16 +0000 Fri, 20 Oct 2017 03:47:47 +0000 Mon, 14 Dec 2015 05:31:47 +0000 Lustre 2.8.0 Lustre 2.8.0 0 7 <p>wangdi (di.wang@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/16117" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/16117</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7053" title="Do not use osd_object_find in osd_index_ea_insert" class="issue-link" data-issue-key="LU-7053"><del>LU-7053</del></a> osd: Do not use osd_object_find<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: efc84e0aeacdfcfeb0a142c508c9390f3174f5aa</p> <p>Please describe this problem more fully. Is this a crash, LBUG, deadlock, performance issue, code cleanup? How easily is this problem hit, and under what kind of operations (simple usage, racer, racer+migration, never)?</p> <p>I found this problem during racer + migration, and it might cause deadlock if we use os_object_find in osd_index_ea_insert(), because of double object find in one service handler().</p> <p>would <a href="http://review.whamcloud.com/#/c/15924/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#/c/15924/</a> help ?</p> <p>Hmm, this is different issue, do I miss sth?</p> <p>well, still the question: who is destroying the object being referenced by a new direntry ?</p> <p>Alex Zhuravlev (alexey.zhuravlev@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/17092" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/17092</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7053" title="Do not use osd_object_find in osd_index_ea_insert" class="issue-link" data-issue-key="LU-7053"><del>LU-7053</del></a> osd: don't lookup object at insert<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 34572a3239fc4a815f520b6849709a2bb31ca677</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/17092/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/17092/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7053" title="Do not use osd_object_find in osd_index_ea_insert" class="issue-link" data-issue-key="LU-7053"><del>LU-7053</del></a> osd: don't lookup object at insert<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 9ae3a2891f10a19acf855a90337316dda704da5d</p> <p>Landed for 2.8</p> Related LU-9972 Development Rank 1|hzxlj3: Rank (Obsolete) 9223372036854775807 Severity