Hi, [auto build test ERROR on next-20160517] [cannot apply to v4.6-rc7 v4.6-rc6 v4.6-rc5 v4.6] [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/Arnd-Bergmann/remove-unused-blkdev_dax_capable-function/20160518-155729 config: m68k-allyesconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 4.9.0 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 # save the attached .config to linux build tree make.cross ARCH=m68k All errors (new ones prefixed by >>): fs/block_dev.c: In function '__blkdev_get': >> fs/block_dev.c:1242:5: error: implicit declaration of function 'blkdev_dax_capable' [-Werror=implicit-function-declaration] if (!blkdev_dax_capable(bdev)) ^ cc1: some warnings being treated as errors vim +/blkdev_dax_capable +1242 fs/block_dev.c d3374825 NeilBrown 2009-01-09 1236 goto restart; d3374825 NeilBrown 2009-01-09 1237 } 1196f8b8 Tejun Heo 2011-04-21 1238 } 7e69723f Tejun Heo 2011-05-23 1239 5a023cdb Dan Williams 2015-11-30 1240 if (!ret) { 7e69723f Tejun Heo 2011-05-23 1241 bd_set_size(bdev,(loff_t)get_capacity(disk)<<9); 5a023cdb Dan Williams 2015-11-30 @1242 if (!blkdev_dax_capable(bdev)) 5a023cdb Dan Williams 2015-11-30 1243 bdev->bd_inode->i_flags &= ~S_DAX; 5a023cdb Dan Williams 2015-11-30 1244 } 7e69723f Tejun Heo 2011-05-23 1245 :::::: The code at line 1242 was first introduced by commit :::::: 5a023cdba50c5f5f2bc351783b3131699deb3937 block: enable dax for raw block devices :::::: TO: Dan Williams <dan.j.williams@xxxxxxxxx> :::::: CC: Dan Williams <dan.j.williams@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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