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-14826 Lustre <p>Striped directory as NFS export is not supported, because ".." lookup for subdir under striped directory returns stripe FID back, other than the directory master object FID, while ll_get_parent() needs the latter for NFS.</p> LU-14826

enable striped directory as NFS export

Bug Minor Resolved Fixed Lai Siyao Lai Siyao Wed, 7 Jul 2021 09:54:38 +0000 Mon, 15 May 2023 03:02:25 +0000 Thu, 22 Jul 2021 12:57:59 +0000 Lustre 2.15.0 0 10 <p>Lai Siyao (lai.siyao@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/44168" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/44168</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14826" title="enable striped directory as NFS export" class="issue-link" data-issue-key="LU-14826"><del>LU-14826</del></a> mdt: lookup("..") under striped directory<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: b798c073281f4e20f955fefaf8109920f9d5b75c</p> <p>I was just coming to the same conclusion. What happens is that the client finds the directory X layout is striped, hashes "<tt>..</tt>", and finds the sub-stripe of the directory, and does a lookup of "<tt>..</tt>" in the sub-stripe directory. That ends up returning the FID of directory X again, since it is the parent of the sub-stripe.</p> <p>Rather than adding complexity to the MDS to handle this case, what about having the client check for lookup of "<tt>..</tt>" and <b>not</b> do the sub-stripe lookup, but rather do the "<tt>..</tt>" lookup in the master object FID? That should return the proper parent FID, rather than looking up <tt>master/substripe/.. == master</tt>?</p> <p>It's not lookup("master/substripe/.."), but lookup("master/substripe/subdir/.."), herein if "subdir" is a plain directory, it will fail too.</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/44168/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/44168/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14826" title="enable striped directory as NFS export" class="issue-link" data-issue-key="LU-14826"><del>LU-14826</del></a> mdt: getattr_name("..") under striped directory<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: cbc62b0b829afdceaa01820996e567b5bdeb281c</p> <p>Landed for 2.15</p> <p>"Andreas Dilger &lt;adilger@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/46693" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46693</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14826" title="enable striped directory as NFS export" class="issue-link" data-issue-key="LU-14826"><del>LU-14826</del></a> tests: fix sanityn.sh test_102 version check<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 32768318819952b670ac778bfba14e3fdb82c04e</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/46693/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46693/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14826" title="enable striped directory as NFS export" class="issue-link" data-issue-key="LU-14826"><del>LU-14826</del></a> tests: fix sanityn.sh test_102 version check<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: b9d93dc33e24718c316b84baa89282bebe05a546</p> Duplicate Related LU-15835 LU-14823 LU-15617 Development Rank 1|i01yo7: Rank (Obsolete) 9223372036854775807 Severity