[cifs:for-next 29/29] fs//cifs/transport.c:120:3: error: implicit declaration of function 'trace_slow_rsp'

[kbuild test robot]

tree:   git://git.samba.org/sfrench/cifs-2.6.git for-next
head:   29ce9f49d423152ce2defa12b7d558d5f6245eb0
commit: 29ce9f49d423152ce2defa12b7d558d5f6245eb0 [29/29] smb3: add tracepoint for slow responses
config: openrisc-allyesconfig (attached as .config)
compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental)
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 29ce9f49d423152ce2defa12b7d558d5f6245eb0
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All errors (new ones prefixed by >>):

   fs//cifs/transport.c: In function 'DeleteMidQEntry':
>> fs//cifs/transport.c:120:3: error: implicit declaration of function 'trace_slow_rsp' [-Werror=implicit-function-declaration]
      trace_slow_rsp(le16_to_cpu(midEntry->command), midEntry->mid,
      ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/trace_slow_rsp +120 fs//cifs/transport.c

   100	
   101	void
   102	DeleteMidQEntry(struct mid_q_entry *midEntry)
   103	{
   104	#ifdef CONFIG_CIFS_STATS2
   105		__le16 command = midEntry->server->vals->lock_cmd;
   106		unsigned long now;
   107	#endif
   108		midEntry->mid_state = MID_FREE;
   109		atomic_dec(&midCount);
   110		if (midEntry->large_buf)
   111			cifs_buf_release(midEntry->resp_buf);
   112		else
   113			cifs_small_buf_release(midEntry->resp_buf);
   114	#ifdef CONFIG_CIFS_STATS2
   115		now = jiffies;
   116		/* commands taking longer than one second are indications that
   117		   something is wrong, unless it is quite a slow link or server */
   118		if (time_after(now, midEntry->when_alloc + HZ) &&
   119		    (midEntry->command != command)) {
 > 120			trace_slow_rsp(le16_to_cpu(midEntry->command), midEntry->mid,
   121				       midEntry->pid,
   122				       midEntry->when_sent, midEntry->when_received);
   123			if (cifsFYI & CIFS_TIMER) {
   124				pr_debug(" CIFS slow rsp: cmd %d mid %llu",
   125				       midEntry->command, midEntry->mid);
   126				pr_info(" A: 0x%lx S: 0x%lx R: 0x%lx\n",
   127				       now - midEntry->when_alloc,
   128				       now - midEntry->when_sent,
   129				       now - midEntry->when_received);
   130			}
   131		}
   132	#endif
   133		cifs_mid_q_entry_release(midEntry);
   134	}
   135	

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