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-15282 Lustre <p>alloc_rr now is broken during an lod landing because spin lock release during loop.<br/> once no enough stripes during allocation loop reset will be to the wrong position.<br/> Lets fix and replace this with atomic operations.</p> LU-15282

Don't hold a spin locks during space alloc (rr policy)

Bug Critical Resolved Fixed Alexey Lyashkov Alexey Lyashkov Mon, 29 Nov 2021 09:03:12 +0000 Thu, 16 Feb 2023 21:14:42 +0000 Mon, 11 Jul 2022 12:54:52 +0000 Lustre 2.16.0 0 4 <p>"Alexey Lyashkov &lt;alexey.lyashkov@hpe.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/45694" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/45694</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15282" title="Don&#39;t hold a spin locks during space alloc (rr policy)" class="issue-link" data-issue-key="LU-15282"><del>LU-15282</del></a> lod: less spinlock on the alloc rr<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 4d4db988caa8b617535c3fe615837ea8ad3f9007</p> <p>"Andreas Dilger &lt;adilger@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/46154" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46154</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15282" title="Don&#39;t hold a spin locks during space alloc (rr policy)" class="issue-link" data-issue-key="LU-15282"><del>LU-15282</del></a> tests: improve sanity test_51d coverage<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 3d4dca962be558f7966dae51357fc6378a22852e</p> <p>"Andreas Dilger &lt;adilger@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/46155" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46155</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15282" title="Don&#39;t hold a spin locks during space alloc (rr policy)" class="issue-link" data-issue-key="LU-15282"><del>LU-15282</del></a> tests: improve sanity test_51d coverage<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 6b42c2292b6b9fb2960fa0b77551895af3d6b1e8</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/45694/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/45694/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15282" title="Don&#39;t hold a spin locks during space alloc (rr policy)" class="issue-link" data-issue-key="LU-15282"><del>LU-15282</del></a> lod: less spinlock on the alloc rr<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: fa34a15f619c49535e214eec0d076872ac9a6b9a</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/46154/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46154/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15282" title="Don&#39;t hold a spin locks during space alloc (rr policy)" class="issue-link" data-issue-key="LU-15282"><del>LU-15282</del></a> tests: improve sanity test_51d coverage<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: fd5c915eff577bd7ff2c01133c7f8cf4d76b7c55</p> <p>Landed for 2.16</p> <p>"Andreas Dilger &lt;adilger@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/47978" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/47978</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15282" title="Don&#39;t hold a spin locks during space alloc (rr policy)" class="issue-link" data-issue-key="LU-15282"><del>LU-15282</del></a> tests: relax test_51d thresholds somewhat<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 316aca4d7a35cf1f5e990226f10cefd73ed17b39</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/47978/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/47978/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15282" title="Don&#39;t hold a spin locks during space alloc (rr policy)" class="issue-link" data-issue-key="LU-15282"><del>LU-15282</del></a> tests: relax test_51d thresholds somewhat<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: afea45f4d2bc9b17f709515c7a9dd50ce8ecad36</p> <p>"Etienne AUJAMES &lt;eaujames@ddn.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/49480" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/49480</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15282" title="Don&#39;t hold a spin locks during space alloc (rr policy)" class="issue-link" data-issue-key="LU-15282"><del>LU-15282</del></a> lod: less spinlock on the alloc rr<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: 451402edf3425495dc718b9cfe7ade664411c038</p> Related LU-14745 Development Rank 1|i02azz: Rank (Obsolete) 9223372036854775807 Severity