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-14352] Only use wake_up_all when necessary https://jira.whamcloud.com/browse/LU-14352 Lustre <p>wake_up_all() is only needed when there are threads doing an exclusive wait.</p> <p>wake_up() will wake up all non-exclusive threads, and at most one exclusive thread.  When non-exclusive waits are used, it is sufficient and preferred to use wake_up() to  wake them up.</p> <p>wake_up_all() should be reserved for those cases where threads are waiting exclusively, and they all want to be woken up.  Keeping it for the purpose only improve code readability.</p> <p> </p> LU-14352 Only use wake_up_all when necessary Improvement Minor Resolved Fixed Neil Brown Neil Brown Thu, 21 Jan 2021 04:55:12 +0000 Wed, 21 Apr 2021 04:04:52 +0000 Wed, 21 Apr 2021 04:04:52 +0000 Lustre 2.15.0 0 2 <p>Neil Brown (neilb@suse.de) uploaded a new patch: <a href="https://review.whamcloud.com/41289" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/41289</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14352" title="Only use wake_up_all when necessary" class="issue-link" data-issue-key="LU-14352"><del>LU-14352</del></a> various: only use wake_up_all() on exclusive waitqs<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 2187f483d7441d368c343e02b634fa6c498b97c9</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/41289/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/41289/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14352" title="Only use wake_up_all when necessary" class="issue-link" data-issue-key="LU-14352"><del>LU-14352</del></a> various: only use wake_up_all() on exclusive waitqs<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 1f4e9f0f4f483dc93cbecdc841740bc11ec59a73</p> <p>Landed for 2.15</p> Related LU-12511 Development Rank 1|i01juf: Rank (Obsolete) 9223372036854775807