https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-15456 Lustre <p>ll_new_node() will call ll_dir_getstripe() to fetch parent default LMV if md_create() returns -EREMOTE, but it doesn't call ll_finish_md_op_data() to unlock lli_lsm_sem before ll_dir_getstripe(), which will cause deadlock because the ll_dir_getstripe() will lock lli_lsm_sem again.</p> LU-15456

deadlock in ll_new_node() when running racer

Bug Blocker Resolved Fixed Lai Siyao Lai Siyao Tue, 18 Jan 2022 06:08:20 +0000 Wed, 26 Jan 2022 14:35:30 +0000 Wed, 26 Jan 2022 14:35:30 +0000 Lustre 2.14.0 Lustre 2.15.0 Lustre 2.15.0 0 3 <p>"Lai Siyao &lt;lai.siyao@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/46157" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46157</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15456" title="deadlock in ll_new_node() when running racer" class="issue-link" data-issue-key="LU-15456"><del>LU-15456</del></a> llite: deadlock in ll_new_node()<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: d46e8deb9c0e680e195ef4d2c8755f25ad27865f</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/46157/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46157/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15456" title="deadlock in ll_new_node() when running racer" class="issue-link" data-issue-key="LU-15456"><del>LU-15456</del></a> llite: deadlock in ll_new_node()<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 1ce2fee3156858e132dbc1c90f72a32f526de988</p> <p>Landed for 2.15</p> Development Rank 1|i02fcf: Rank (Obsolete) 9223372036854775807 Severity