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-16577 Lustre <p>In <a href="https://jira.whamcloud.com/browse/LU-16433" title="single client performance regression in SSF workload " class="issue-link" data-issue-key="LU-16433"><del>LU-16433</del></a> there is discussion about if and how we can recapture the lost performance from being unable to use Patrick's vvp_set_pagevec_dirty() since losing access to account_page_dirtied().</p> <p>This is an attempt to provide a replacement in vvp_folio_account_dirtied() with the caveat that some memcg and writeback ratelimit calculations will be wrong:</p> <p>here:<br/> -<del>&gt; __this_cpu_add(bdp_ratelimits, nr); &lt;</del>- no access<br/> and here:<br/> -<del>&gt; mem_cgroup_track_foreign_dirty(folio, wb); &lt;</del>- no access</p> LU-16577

Provide vvp_set_folio_dirty_batched() and wrappers for page users

Improvement Minor Open Unresolved Shaun Tancheff Shaun Tancheff Sat, 18 Feb 2023 11:59:06 +0000 Sat, 18 Feb 2023 11:59:45 +0000 0 3 <p>"Shaun Tancheff &lt;shaun.tancheff@hpe.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50064" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50064</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16577" title="Provide vvp_set_folio_dirty_batched() and wrappers for page users" class="issue-link" data-issue-key="LU-16577">LU-16577</a> llite: Provide a vvp_set_folio_dirty_batched<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: af53983e04aeff5a5092b951262ae13dbdd5acb4</p> Development Rank 1|i03ehj: Rank (Obsolete) 9223372036854775807