tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 7dd2ecb6facfd1ac1a1cccc908e88e20e65e5801 commit: 5d974dfe80b2322a6b0afc85beb15fe9bc233804 [3174/3442] ocfs2: fix ip_unaligned_aio deadlock with dio work queue config: m68k-sun3_defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5d974dfe80b2322a6b0afc85beb15fe9bc233804 # save the attached .config to linux build tree make.cross ARCH=m68k All warnings (new ones prefixed by >>): In file included from arch/m68k/include/asm/atomic.h:6:0, from include/linux/atomic.h:4, from include/linux/spinlock.h:406, from include/linux/wait.h:8, from include/linux/fs.h:5, from fs/ocfs2/file.c:27: fs/ocfs2/file.c: In function 'ocfs2_file_write_iter': arch/m68k/include/asm/cmpxchg.h:78:22: warning: value computed is not used [-Wunused-value] #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) ^ >> fs/ocfs2/file.c:2297:3: note: in expansion of macro 'xchg' xchg(&iocb->ki_complete, saved_ki_complete); ^ vim +/xchg +2297 fs/ocfs2/file.c 2281 written = ret; 2282 2283 if (!ret) { 2284 ret = jbd2_journal_force_commit(osb->journal->j_journal); 2285 if (ret < 0) 2286 written = ret; 2287 } 2288 2289 if (!ret) 2290 ret = filemap_fdatawait_range(file->f_mapping, 2291 iocb->ki_pos - written, 2292 iocb->ki_pos - 1); 2293 } 2294 2295 out: 2296 if (saved_ki_complete) > 2297 xchg(&iocb->ki_complete, saved_ki_complete); 2298 2299 if (rw_level != -1) 2300 ocfs2_rw_unlock(inode, rw_level); 2301 2302 out_mutex: 2303 mutex_unlock(&inode->i_mutex); 2304 2305 if (written) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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