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Re: [PATCH 11/11] block: use standard blktrace API to output cgroup info for debug notes

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Hi Shaohua,

[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on v4.12-rc3 next-20170602]
[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/kernfs-implement-i_generation/20170603-083132
config: x86_64-randconfig-x010-201722 (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 >>):

   kernel/trace/blktrace.c: In function '__trace_note_message':
>> kernel/trace/blktrace.c:185:35: error: 'struct blkcg' has no member named 'css'
      blkcg ? cgroup_get_node_id(blkcg->css.cgroup) : NULL);
                                      ^~

vim +185 kernel/trace/blktrace.c

   179		n = vscnprintf(buf, BLK_TN_MAX_MSG, fmt, args);
   180		va_end(args);
   181	
   182		if (!(blk_tracer_flags.val & TRACE_BLK_OPT_CGROUP))
   183			blkcg = NULL;
   184		trace_note(bt, 0, BLK_TN_MESSAGE, buf, n,
 > 185			blkcg ? cgroup_get_node_id(blkcg->css.cgroup) : NULL);
   186		local_irq_restore(flags);
   187	}
   188	EXPORT_SYMBOL_GPL(__trace_note_message);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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[PATCH 00/11]blktrace: output cgroup info Shaohua Li <shli@kernel.org> - 2017-06-03 00:00 +0200
  [PATCH 11/11] block: use standard blktrace API to output cgroup info for debug notes Shaohua Li <shli@kernel.org> - 2017-06-03 00:00 +0200
    Re: [PATCH 11/11] block: use standard blktrace API to output cgroup  info for debug notes kbuild test robot <lkp@intel.com> - 2017-06-03 03:20 +0200

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