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-4669 Lustre <p>While compiling Lustre master branch against kernel 2.6.32-431.5.1.el6 on RHEL6.5/ppc64 by using lbuild, I hit the following errors:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>/root/lustre-release/build/BUILD/lustre-2.5.55/ldiskfs/extents.c:4832: error: __ksymtab_ldiskfs_ext_pblock causes a section type conflict /root/lustre-release/build/BUILD/lustre-2.5.55/ldiskfs/extents.c:4832: error: __ksymtab_ldiskfs_ext_pblock causes a section type conflict /root/lustre-release/build/BUILD/lustre-2.5.55/ldiskfs/extents.c:4829: error: __ksymtab_ldiskfs_ext_store_pblock causes a section type conflict /root/lustre-release/build/BUILD/lustre-2.5.55/ldiskfs/extents.c:4829: error: __ksymtab_ldiskfs_ext_store_pblock causes a section type conflict </pre> </div></div> <p>The lbuild log "lbuild.ppc64.log" is attached.</p> <br/> Lustre Build: <a href="http://build.whamcloud.com/job/lustre-master/1909/">http://build.whamcloud.com/job/lustre-master/1909/</a><br/> Distro/Arch: RHEL6.5/ppc64<br/> LU-4669

compile error on ppc64: __ksymtab_ldiskfs_ext_pblock causes a section type conflict

Bug Minor Resolved Fixed Jian Yu Jian Yu Tue, 25 Feb 2014 15:50:11 +0000 Mon, 10 Nov 2014 15:52:18 +0000 Tue, 2 Sep 2014 01:40:56 +0000 Lustre 2.6.0 Lustre 2.7.0 Lustre 2.5.4 0 3 <p>This is because the static functions in ldiskfs/ldiskfs_extents.h are exported in ldiskfs/extents.c, which is not allowed by gcc.</p> <p>ldiskfs/ldiskfs_extents.h:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"><span class="code-keyword">static</span> inline ldiskfs_fsblk_t ldiskfs_ext_pblock(struct ldiskfs_extent *ex) <span class="code-comment">//...... </span><span class="code-keyword">static</span> inline void ldiskfs_ext_store_pblock(struct ldiskfs_extent *ex, ldiskfs_fsblk_t pb) <span class="code-comment">//......</span> </pre> </div></div> <p>ldiskfs/extents.c:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">EXPORT_SYMBOL(ldiskfs_ext_store_pblock); EXPORT_SYMBOL(ldiskfs_ext_pblock); </pre> </div></div> <p>The above EXPORT_SYMBOL codes were introduced in ldiskfs/kernel_patches/patches/rhel6.4/ext4-misc.patch by patch <a href="http://review.whamcloud.com/4804" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/4804</a>.</p> <p>Besides ldiskfs/extents.c, those exported functions are used in:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>ldiskfs/move_extent.c lustre/osd-ldiskfs/osd_io.c </pre> </div></div> <p>Since the functions are static inline functions, and ldiskfs/ldiskfs_extents.h is included in lustre/osd-ldiskfs/osd_io.c. I'm going to remove those EXPORT_SYMBOL(...)s from ldiskfs/kernel_patches/patches/rhel6.4/ext4-misc.patch. </p> <p>Here is the patch for master branch: <a href="http://review.whamcloud.com/9401" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/9401</a></p> <p>Patch <a href="http://review.whamcloud.com/9810" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/9810</a> fixes the following compile errors:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>cc1: warnings being treated as errors /root/lustre-release/build/BUILD/lustre-2.5.55/lustre/lmv/lmv_obd.c:2329: error: 'lmv_adjust_dirpages' defined but not used make[6]: *** [/root/lustre-release/build/BUILD/lustre-2.5.55/lustre/lmv/lmv_obd.o] Error 1 </pre> </div></div> <p>Patch <a href="http://review.whamcloud.com/9811" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/9811</a> fixes the following compile errors:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>cc1: warnings being treated as errors ../../lustre/ldlm/ldlm_request.c: In function 'ldlm_cli_enqueue_fini': ../../lustre/ldlm/ldlm_request.c:614: error: format '%llx' expects type 'long long unsigned int', but argument 5 has type '__u64' ../../lustre/ldlm/ldlm_request.c: In function 'ldlm_cli_enqueue': ../../lustre/ldlm/ldlm_request.c:925: error: format '%llx' expects type 'long long unsigned int', but argument 4 has type '__u64' ../../lustre/ldlm/ldlm_request.c:925: error: format '%llx' expects type 'long long unsigned int', but argument 3 has type '__u64' make[4]: *** [libptlrpc_a-ldlm_request.o] Error 1 make[4]: *** Waiting for unfinished jobs.... cc1: warnings being treated as errors ../../lustre/ldlm/ldlm_flock.c: In function 'ldlm_flock_destroy': ../../lustre/ldlm/ldlm_flock.c:142: error: format '%llx' expects type 'long long unsigned int', but argument 5 has type '__u64' ../../lustre/ldlm/ldlm_flock.c:142: error: format '%llx' expects type 'long long unsigned int', but argument 4 has type '__u64' ../../lustre/ldlm/ldlm_flock.c: In function 'ldlm_process_flock_lock': ../../lustre/ldlm/ldlm_flock.c:312: error: format '%#llx' expects type 'long long unsigned int', but argument 3 has type '__u64' ../../lustre/ldlm/ldlm_flock.c: In function 'ldlm_flock_completion_ast': ../../lustre/ldlm/ldlm_flock.c:676: error: format '%llx' expects type 'long long unsigned int', but argument 3 has type '__u64' make[4]: *** [libptlrpc_a-ldlm_flock.o] Error 1 </pre> </div></div> <p>All of the patches in this ticket were landed on master branch.</p> <p>Here are the back-ported patches for Lustre b2_5 branch:<br/> <a href="http://review.whamcloud.com/12431" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/12431</a> (from patch #9401)<br/> <a href="http://review.whamcloud.com/12432" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/12432</a> (from patch #9811)</p> <p>The issue fixed <a href="http://review.whamcloud.com/9810" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/9810</a> does not exist on Lustre b2_5 branch.</p> Development Rank 1|hzwfsf: Rank (Obsolete) 12789 Severity