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-11568 Lustre <p>This code was introduced by bz 18015 <a href="https://bugzilla.lustre.org/show_bug.cgi?id=18015" class="external-link" target="_blank" rel="nofollow noopener">https://bugzilla.lustre.org/show_bug.cgi?id=18015</a></p> <p>Newer kernels rename that symbol and it's not used anyway, but also at least in RHEL 7.<span class="error">&#91;345&#93;</span> there's bug in this functionality htat leads to use after frees that are seen prominently in our nfs testing in maloo (in addition to my testrig). See <a href="https://jira.whamcloud.com/browse/LU-11063" title="RHEL7.[345] RCU breakage" class="issue-link" data-issue-key="LU-11063"><del>LU-11063</del></a>.<br/> Example nfs failures:<br/> <a href="https://testing.whamcloud.com/test_sessions/1cd5592c-8319-4aa7-aa2b-4549a83ce9cd" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sessions/1cd5592c-8319-4aa7-aa2b-4549a83ce9cd</a><br/> <a href="https://testing.whamcloud.com/test_sessions/9e6c8dec-d1dd-4ad4-b028-f98b5fdf63a9" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sessions/9e6c8dec-d1dd-4ad4-b028-f98b5fdf63a9</a></p> <p>Anyway after reviewing the original patch I think we just need to get rid of this flag altogether and if the rapid load/unload is still a problem, work it around in some better more robust way.</p> LU-11568

Get rid of SLAB_DESTROY_BY_RCU

Bug Critical Resolved Fixed Oleg Drokin Oleg Drokin Thu, 25 Oct 2018 00:49:34 +0000 Thu, 20 Jun 2019 03:27:30 +0000 Wed, 6 Feb 2019 18:14:11 +0000 Lustre 2.13.0 Lustre 2.13.0 Lustre 2.12.1 0 4 <p>Oleg Drokin (green@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34147" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34147</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11568" title="Get rid of SLAB_DESTROY_BY_RCU" class="issue-link" data-issue-key="LU-11568"><del>LU-11568</del></a> ldlm: Remove use of SLAB_DESTROY_BY_RCU for ldlm lock slab<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 07d0c94f6a6c7b86cd7e738d368cfbcbff3f42b5</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34147/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34147/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11568" title="Get rid of SLAB_DESTROY_BY_RCU" class="issue-link" data-issue-key="LU-11568"><del>LU-11568</del></a> ldlm: Remove use of SLAB_DESTROY_BY_RCU for ldlm lock slab<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 82d014e71e14671e876055851a0d37e98b4cc079</p> <p>Landed for 2.13</p> <p>Oleg Drokin (green@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34434" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34434</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11568" title="Get rid of SLAB_DESTROY_BY_RCU" class="issue-link" data-issue-key="LU-11568"><del>LU-11568</del></a> ldlm: Remove use of SLAB_DESTROY_BY_RCU for ldlm lock slab<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: 2f34a93ec495254cb69a00d58e9b53c96be86054</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34434/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34434/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11568" title="Get rid of SLAB_DESTROY_BY_RCU" class="issue-link" data-issue-key="LU-11568"><del>LU-11568</del></a> ldlm: Remove use of SLAB_DESTROY_BY_RCU for ldlm lock slab<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: <br/> Commit: f60637d9379df8c1e9aabf2f8639e8e318489a4d</p> <p>Andreas Dilger (adilger@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/35018" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35018</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11568" title="Get rid of SLAB_DESTROY_BY_RCU" class="issue-link" data-issue-key="LU-11568"><del>LU-11568</del></a> ldlm: Remove use of SLAB_DESTROY_BY_RCU for ldlm lock slab<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: 1<br/> Commit: 537c25bbd9a90a198ab464ec2fd67d29b7cbe591</p> Duplicate Related LU-11063 Development Rank 1|i0052n: Rank (Obsolete) 9223372036854775807 Severity