FYI, fs/block_dev.c has multiple updates since then including the code in question. I just built tot -next m64 kernel with the attached config file, and confirmed no compile error on the file. -Toshi On Fri, 2016-05-20 at 19:32 +0800, kbuild test robot wrote: > 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-unu > sed-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.g > it/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 b > d_set_size(bdev,(loff_t)get_capacity(disk)<<9); > 5a023cdb Dan Williams 2015-11-30 @1242 i > f (!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��.n��������+%������w��{.n�����{���)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
