Hi Shaohua, [auto build test ERROR on block/for-next] [also build test ERROR on v4.12-rc5 next-20170616] [cannot apply to driver-core/driver-core-testing] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Shaohua-Li/blktrace-output-cgroup-info/20170616-133722 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: x86_64-kexec (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): In file included from fs/fs-writeback.c:98:0: include/trace/events/writeback.h: In function '__trace_wb_assign_cgroup': >> include/trace/events/writeback.h:139:34: error: 'struct kernfs_node' has no member named 'ino' return wb->memcg_css->cgroup->kn->ino; ^~ In file included from fs/fs-writeback.c:98:0: include/trace/events/writeback.h:140:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +139 include/trace/events/writeback.h 9fb0a7da Tejun Heo 2013-01-11 133 5634cc2a Tejun Heo 2015-08-18 134 #ifdef CREATE_TRACE_POINTS 5634cc2a Tejun Heo 2015-08-18 135 #ifdef CONFIG_CGROUP_WRITEBACK 5634cc2a Tejun Heo 2015-08-18 136 a664edb3 Yang Shi 2016-03-03 137 static inline unsigned int __trace_wb_assign_cgroup(struct bdi_writeback *wb) 5634cc2a Tejun Heo 2015-08-18 138 { a664edb3 Yang Shi 2016-03-03 @139 return wb->memcg_css->cgroup->kn->ino; 5634cc2a Tejun Heo 2015-08-18 140 } 5634cc2a Tejun Heo 2015-08-18 141 a664edb3 Yang Shi 2016-03-03 142 static inline unsigned int __trace_wbc_assign_cgroup(struct writeback_control *wbc) :::::: The code at line 139 was first introduced by commit :::::: a664edb374c704a734a0df41fc742c285a5beb52 tracing, writeback: Replace cgroup path to cgroup ino :::::: TO: Yang Shi <yang.shi@xxxxxxxxxx> :::::: CC: Steven Rostedt <rostedt@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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