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Subject: Re: [PATCH] nfs: round down reported block numbers in statfs
Date:   Fri, 11 Sep 2020 21:59:17 +0000
From:   Frank van der Linden <fllinden@amazon.com>
To:     <linux-nfs@vger.kernel.org>
CC:     <anna.schumaker@netapp.com>, <trond.myklebust@hammerspace.com>,
        <dhowells@redhat.com>
Message-ID: <20200911215916.GA2437@dev-dsk-fllinden-2c-c1893d73.us-west-2.amazon.com>
References: <20200910200644.8165-1-fllinden@amazon.com>
 <202009111258.q1Pb2upn%lkp@intel.com>
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On Fri, Sep 11, 2020 at 12:36:31PM +0800, kernel test robot wrote:
> 
> 
> Hi Frank,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on nfs/linux-next]
> [also build test ERROR on v5.9-rc4 next-20200910]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
> 
> url:    https://github.com/0day-ci/linux/commits/Frank-van-der-Linden/nfs-round-down-reported-block-numbers-in-statfs/20200911-040903
> base:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
> config: riscv-rv32_defconfig (attached as .config)
> compiler: riscv32-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    riscv32-linux-ld: fs/nfs/super.o: in function `nfs_statfs':
>    super.c:(.text+0x204): undefined reference to `__udivdi3'
> >> riscv32-linux-ld: super.c:(.text+0x220): undefined reference to `__udivdi3'
>    riscv32-linux-ld: super.c:(.text+0x23c): undefined reference to `__udivdi3'
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Ah yeah, forgot about 64bit divides and 32bit archs..

Will send v2 with div64_u64.

- Frank