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-16603 Lustre <p>Add an <tt>OBD_BRW_COMPRESSED</tt> flag to <tt>OST_WRITE</tt> to hint server data is compressed. This allows the block allocator (mballoc in ldiskfs) to avoid keeping holes in the on-disk block allocation when it gets "sparse" writes from the client due to compressed niobufs being sent.</p> LU-16603

OBD_BRW_COMPRESSED flag

Improvement Minor Resolved Fixed Alex Zhuravlev Alex Zhuravlev Tue, 28 Feb 2023 09:53:04 +0000 Wed, 21 Jun 2023 19:41:08 +0000 Wed, 22 Mar 2023 01:55:53 +0000 Lustre 2.16.0 0 2 <p>"Alex Zhuravlev &lt;bzzz@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50154" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50154</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16603" title="OBD_BRW_COMPRESSED flag" class="issue-link" data-issue-key="LU-16603"><del>LU-16603</del></a> protocol: add OBD_BRW_COMPRESSED<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 99bc6724c5d2ebdf3912066ff5d86cc32db2cf2d</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/50154/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/50154/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16603" title="OBD_BRW_COMPRESSED flag" class="issue-link" data-issue-key="LU-16603"><del>LU-16603</del></a> protocol: add OBD_BRW_COMPRESSED<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 764e19186cfc991239fcabe12eec68fe0e8a4c2f</p> <p>Landed for 2.16</p> Related LU-16920 Development Rank 1|i03f9z: Rank (Obsolete) 9223372036854775807