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-14757 Lustre <p>In WBC lock drop flush mode, when enter into the code path @memfs_lookup during the new file creation, and the dir (parent inode) is already flushed (WBC state for the directory becomes WBC_STATE_FL_NONE), at this time, it will fall back into the Lustre lookup path @ll_lookup_nd to perform lookup from MDT. The old the Lustre lookup path with LOOKUP_CREATE | LOOKUP_OPEN will return ERR_PTR(-ENOENT) wrongly.</p> <p>In this patch, it fixed this bug, and when lookup from MDT returns -ENOENT to indicate the name is not existed, it will return NULL instead of ERR_PTR(-ENOENT).</p> LU-14757

WBC: MemFS lookup fallback to Lustre lookup

Technical task LU-10938 Minor Open Unresolved Qian Yingjin Qian Yingjin Fri, 11 Jun 2021 07:16:25 +0000 Mon, 10 Jan 2022 01:32:39 +0000 0 2 <p>Yingjin Qian (qian@ddn.com) uploaded a new patch: <a href="https://review.whamcloud.com/43984" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/43984</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14757" title="WBC: MemFS lookup fallback to Lustre lookup" class="issue-link" data-issue-key="LU-14757">LU-14757</a> wbc: MemFS lookup fallback to Lustre lookup<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 6387aed0ea44b0f5e87d917d015937e14ffcd3c8</p> Related Development Rank 1|i01wrj: Rank (Obsolete) 9223372036854775807