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-16179 Lustre <p>ll_splice_alias() calls ll_find_alias() before calling d_add(), but if there are concurrent lookups, both may not find alias dentry, and add dentry, therefore there may be more than one valid dentries for the same file, which may cause deadlock in rename().</p> LU-16179

race in ll_splice_alias() may lead to two valid dentries for the same file

Bug Minor Resolved Duplicate Lai Siyao Lai Siyao Thu, 22 Sep 2022 08:57:38 +0000 Mon, 26 Sep 2022 14:38:18 +0000 Mon, 26 Sep 2022 14:38:02 +0000 0 4 <p>"Lai Siyao &lt;lai.siyao@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/48624" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/48624</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16179" title="race in ll_splice_alias() may lead to two valid dentries for the same file" class="issue-link" data-issue-key="LU-16179"><del>LU-16179</del></a> llite: race in ll_splice_alias()<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 3c02182bd0eaab291c400c66a295396943cf3c90</p> <p>Fixed already by <a href="https://review.whamcloud.com/#/c/fs/lustre-release/+/28486/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/fs/lustre-release/+/28486/</a></p> Duplicate LU-9868 Related Development Rank 1|i030w7: Rank (Obsolete) 9223372036854775807 Severity