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-14003] PCC: rework PCC mmap https://jira.whamcloud.com/browse/LU-14003 Lustre <p>There are some design problem in current PCC mmap design.<br/> i.e. It failed <a href="https://jira.whamcloud.com/browse/LU-13137" title="User process segfaults since 2.13 client upgrade" class="issue-link" data-issue-key="LU-13137"><del>LU-13137</del></a> and sanity-pcc test4.</p> <p>This ticket is created to track the reimplementation for PCC mmap().</p> LU-14003 PCC: rework PCC mmap Bug Minor Open Unresolved Qian Yingjin Qian Yingjin Wed, 30 Sep 2020 02:55:49 +0000 Thu, 25 Mar 2021 14:27:50 +0000 0 4 <p>Yingjin Qian (qian@ddn.com) uploaded a new patch: <a href="https://review.whamcloud.com/40092" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40092</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14003" title="PCC: rework PCC mmap" class="issue-link" data-issue-key="LU-14003">LU-14003</a> pcc: reimplement PCC mmap<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 6ccfbcd3b4b7d1c9d7d49f4f30af5e4d039f2990</p> <p>Yingjin Qian (qian@ddn.com) uploaded a new patch: <a href="https://review.whamcloud.com/40344" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40344</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14003" title="PCC: rework PCC mmap" class="issue-link" data-issue-key="LU-14003">LU-14003</a> pcc: convert mapping pagecache for mmap<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 3bc11eb0839cfc579a28ad696f31344acf5bc5e7</p> <p>Yingjin Qian (qian@ddn.com) uploaded a new patch: <a href="https://review.whamcloud.com/40682" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40682</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14003" title="PCC: rework PCC mmap" class="issue-link" data-issue-key="LU-14003">LU-14003</a> pcc: wait on page writeback when mmap pages convert<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: f5f4f9adc7dfdf33737f78cdd6ac21c0dca198e3</p> Blocker Related LU-14346 Development Rank 1|i01b53: Rank (Obsolete) 9223372036854775807 Severity