Hi cuilifei,

[auto build test ERROR on fuse/for-next]
[also build test ERROR on v4.9-rc7 next-20161202]
[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/cuilifei/fuse-freezing-abort-when-use-wait_event_killable-_exclusive/20161203-120253
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git 
for-next
config: x86_64-rhel-7.2 (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 >>):

   fs/fuse/dev.c: In function '__fuse_get_req':
>> fs/fuse/dev.c:38:11: error: implicit declaration of function 'try_to_freeze' 
>> [-Werror=implicit-function-declaration]
     } while (try_to_freeze());     \
              ^
   fs/fuse/dev.c:174:10: note: in expansion of macro 'wait_fatal_freezable'
      intr = wait_fatal_freezable(fc->blocked_waitq,
             ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/try_to_freeze +38 fs/fuse/dev.c

    32                                                          condition);     
\
    33                  else                                                    
\
    34                          __ret = wait_event_interruptible(wq,            
\
    35                                                          condition);     
\
    36                  if (!__ret || fatal_signal_pending(current))            
\
    37                          break;                                          
\
  > 38          } while (try_to_freeze());                                      
\
    39          __ret;                                                          
\
    40  })
    41  

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

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