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-12782] Convert cl_object_attr_lock to rwlock https://jira.whamcloud.com/browse/LU-12782 Lustre <p>Under some shared file workloads, the cl_object_attr_lock ends up 'hot'.  As suggested in an old comment, it can easily be converted to an rwlock, which is useful because it is often taken for read.</p> LU-12782 Convert cl_object_attr_lock to rwlock Improvement Minor Open Unresolved Dongyang Li Patrick Farrell Wed, 18 Sep 2019 14:34:13 +0000 Mon, 19 Jun 2023 12:50:21 +0000 0 3 <p>Patrick Farrell (pfarrell@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/36229" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/36229</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12782" title="Convert cl_object_attr_lock to rwlock" class="issue-link" data-issue-key="LU-12782">LU-12782</a> llite: Convert attr lock to rwlock<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 74615ac8e41c82096d6e726ef3dc50a196fb3670</p> <p>This is a recent addition to the io500 branch, which is expected to help performance a bit on hard write and hard read (particularly hard read).</p> <p>"Patrick Farrell &lt;pfarrell@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51347" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51347</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12782" title="Convert cl_object_attr_lock to rwlock" class="issue-link" data-issue-key="LU-12782">LU-12782</a> llite: rationalize cl_object_attr locking<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 77e40614005615d0477a3ebbc59904bc7d20af54</p> <p>"Patrick Farrell &lt;pfarrell@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51350" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51350</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12782" title="Convert cl_object_attr_lock to rwlock" class="issue-link" data-issue-key="LU-12782">LU-12782</a> osc: Do not touch object attrs for every page<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: afd5c1d8db40386a18719d2712ee9ab498a039a8</p> Related Development Rank 1|i00mxz: Rank (Obsolete) 9223372036854775807