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Date:   Tue, 6 Dec 2022 02:32:20 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jan Kara <jack@...e.cz>, Ted Tso <tytso@....edu>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-ext4@...r.kernel.org,
        Christoph Hellwig <hch@...radead.org>,
        "Ritesh Harjani (IBM)" <ritesh.list@...il.com>,
        Jan Kara <jack@...e.cz>
Subject: Re: [PATCH v3 11/12] ext4: Stop providing .writepage hook

Hi Jan,

I love your patch! Yet something to improve:

[auto build test ERROR on tytso-ext4/dev]
[also build test ERROR on linus/master v6.1-rc8 next-20221205]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jan-Kara/ext4-Stop-using-ext4_writepage-for-writeout-of-ordered-data/20221205-203446
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
patch link:    https://lore.kernel.org/r/20221205122928.21959-11-jack%40suse.cz
patch subject: [PATCH v3 11/12] ext4: Stop providing .writepage hook
config: s390-allmodconfig
compiler: s390-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/b256889d6555a91b973b0ea5830a693c5f32f133
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jan-Kara/ext4-Stop-using-ext4_writepage-for-writeout-of-ordered-data/20221205-203446
        git checkout b256889d6555a91b973b0ea5830a693c5f32f133
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "buffer_migrate_folio_norefs" [fs/ext4/ext4.ko] undefined!
ERROR: modpost: "devm_ioremap_resource" [drivers/dma/qcom/hdma.ko] undefined!
ERROR: modpost: "devm_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined!
ERROR: modpost: "devm_ioremap_resource" [drivers/dma/idma64.ko] undefined!
ERROR: modpost: "iounmap" [drivers/tty/ipwireless/ipwireless.ko] undefined!
ERROR: modpost: "ioremap" [drivers/tty/ipwireless/ipwireless.ko] undefined!
ERROR: modpost: "devm_platform_ioremap_resource" [drivers/char/xillybus/xillybus_of.ko] undefined!
ERROR: modpost: "devm_memremap" [drivers/misc/open-dice.ko] undefined!
ERROR: modpost: "devm_memunmap" [drivers/misc/open-dice.ko] undefined!
ERROR: modpost: "iounmap" [drivers/net/ethernet/8390/pcnet_cs.ko] undefined!
WARNING: modpost: suppressed 16 unresolved symbol warnings because there were too many)

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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