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-7132 Lustre <p>We have an optimization that replaces bmap calls with fiemap calls through the brw path.</p> <p>A patch will be uploaded shortly.</p> <p>The patch also includes a fix for a fiemap deadlock in pre 3.8 kernels. This deadlock can happen without this fiemap optimization as well - through FIEMAP get_info RPC.</p> LU-7132

optimizations for the BRW path

Improvement Minor Resolved Fixed WC Triage Andrew Perepechko patch Thu, 10 Sep 2015 13:06:59 +0000 Mon, 25 Apr 2016 18:27:05 +0000 Fri, 25 Sep 2015 14:13:44 +0000 Lustre 2.8.0 Lustre 2.8.0 0 6 <p>Andrew Perepechko (andrew.perepechko@seagate.com) uploaded a new patch: <a href="http://review.whamcloud.com/16360" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/16360</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7132" title="optimizations for the BRW path" class="issue-link" data-issue-key="LU-7132"><del>LU-7132</del></a> osd-ldiskfs: speedup rewrites<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 60b5c99da7510455c93f985f27a7f84e0b5deefc</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/16360/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/16360/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7132" title="optimizations for the BRW path" class="issue-link" data-issue-key="LU-7132"><del>LU-7132</del></a> osd-ldiskfs: speedup rewrites<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 144b5a65c16f1bca81ae76010528a592c821308b</p> <p>Landed for 2.8</p> <p>the mod just landed to master doesn't cover all supported distros. is similar change needed in el7 and sles12?</p> <blockquote><p>the mod just landed to master doesn't cover all supported distros. is similar change needed in el7 and sles12?</p></blockquote> <p>The deadlock was fixed in vanilla kernel 3.8 and should not be needed for kernels based on vanilla 3.10 and vanilla 3.12. Please see a comment in gerrit.</p> <p>Yes the fix he for the older distros is already in SLES12 and RHEL7.</p> <p>closed again</p> <p>Andrew Perepechko (andrew.perepechko@seagate.com) uploaded a new patch: <a href="http://review.whamcloud.com/19747" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/19747</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7132" title="optimizations for the BRW path" class="issue-link" data-issue-key="LU-7132"><del>LU-7132</del></a> ldiskfs: wrong ldiskfs patch<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 90279814c08efff040f06ed0f1beaa2144b62bde</p> Related LU-8059 Development Rank 1|hzxn3j: Rank (Obsolete) 9223372036854775807