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-794 Lustre <p>In ll_direct_IO_26() it implements a MAX_DIO_SIZE limit for O_DIRECT requests, based on the previous 128kB kmalloc() limit. However, the underlying code was changed to use OBD_ALLOC_LARGE() and can handle arbitrarily large allocations with vmalloc. Increase the limit from 22MB (128kB kmalloc limit) to 512MB (actually 682MB, just below 4MB new kmalloc limit, and arbitrary with vmalloc).</p> LU-794

allow larger O_DIRECT requests with large allocations

Improvement Minor Closed Fixed Andreas Dilger Andreas Dilger Wed, 26 Oct 2011 14:05:44 +0000 Wed, 14 Dec 2011 12:11:40 +0000 Wed, 14 Dec 2011 10:20:15 +0000 Lustre 2.2.0 0 1 <p><a href="http://review.whamcloud.com/1617" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/1617</a></p> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el5,ib_stack=ofa/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el5,ofa #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el5,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el5,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el6,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el6,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el5,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el5,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el6,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el6,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el5,ib_stack=ofa/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el5,ofa #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=ubuntu1004,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,ubuntu1004,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=sles11,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,sles11,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el5,ib_stack=ofa/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el5,ofa #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el6,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el6,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el6,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el6,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el5,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el5,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el5,ib_stack=inkernel/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el5,inkernel #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el5,ib_stack=ofa/382/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el5,ofa #382</a><br/> <a href="https://jira.whamcloud.com/browse/LU-794" title="allow larger O_DIRECT requests with large allocations" class="issue-link" data-issue-key="LU-794"><del>LU-794</del></a> llite: allow larger O_DIRECT read/write RPC (Revision 6025034aa9c692d92d7c2361785503b90b49cee9)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=6025034aa9c692d92d7c2361785503b90b49cee9" class="external-link" target="_blank" rel="nofollow noopener">6025034aa9c692d92d7c2361785503b90b49cee9</a><br/> Files : </p> <ul> <li>lustre/llite/rw26.c</li> </ul> <p>Landed for 2.2</p> Development Rank 1|hzv7u7: Rank (Obsolete) 4804