Whamcloud Community JIRA https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 [LU-523] No prepare_write for lockless IO https://jira.whamcloud.com/browse/LU-523 Lustre <p>For page unaligned write, CLIO does prepare_write even for lockless IO and then write them back, this will cause data corruption since some of data is not covered by lock.</p> LU-523 No prepare_write for lockless IO Bug Critical Resolved Fixed Jinshan Xiong Jinshan Xiong Thu, 21 Jul 2011 00:52:46 +0000 Sat, 30 Jul 2011 22:58:26 +0000 Sat, 30 Jul 2011 22:58:26 +0000 0 0 <p>Patch is at: <a href="http://review.whamcloud.com/1130" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/1130</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=client,distro=el5,ib_stack=ofa/226/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el5,ofa #226</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_page.c</li> <li>lustre/osc/osc_io.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el6,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/osc/osc_internal.h</li> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_page.c</li> <li>lustre/osc/osc_request.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el5,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_page.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el5,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_page.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/osc/osc_io.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el6,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/osc/osc_page.c</li> <li>lustre/obdclass/cl_io.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el5,ofa #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_page.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,sles11,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/osc/osc_request.c</li> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/osc/osc_page.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el6,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_page.c</li> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_internal.h</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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el5,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_page.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_io.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,ubuntu1004,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/osc/osc_page.c</li> <li>lustre/obdclass/cl_io.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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el5,ofa #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_page.c</li> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_internal.h</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/227/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el5,inkernel #227</a><br/> <a href="https://jira.whamcloud.com/browse/LU-523" title="No prepare_write for lockless IO" class="issue-link" data-issue-key="LU-523"><del>LU-523</del></a>: No prepare_write for lockless IO</p> <p>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=f49d4116040818a8b3888df55dacb1f16b0b65c6" class="external-link" target="_blank" rel="nofollow noopener">f49d4116040818a8b3888df55dacb1f16b0b65c6</a><br/> Files : </p> <ul> <li>lustre/osc/osc_request.c</li> <li>lustre/osc/osc_internal.h</li> <li>lustre/obdclass/cl_io.c</li> <li>lustre/osc/osc_io.c</li> <li>lustre/osc/osc_page.c</li> </ul> Development Rank 1|hzv8pj: Rank (Obsolete) 4945 Severity