linux-ext4 - Re: [PATCH 1/3] iomap: Pass original DIO size to completion handler

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Date:   Mon, 12 Apr 2021 22:12:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jan Kara <jack@...e.cz>, Ted Tso <tytso@....edu>
Cc:     kbuild-all@...ts.01.org, linux-ext4@...r.kernel.org,
        Eric Whitney <enwlinux@...il.com>,
        linux-fsdevel@...r.kernel.org,
        "Darrick J . Wong" <djwong@...nel.org>, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 1/3] iomap: Pass original DIO size to completion handler

Hi Jan,

I love your patch! Yet something to improve:

[auto build test ERROR on ext4/dev]
[also build test ERROR on xfs-linux/for-next linus/master v5.12-rc7 next-20210409]
[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/Jan-Kara/ext4-Fix-data-corruption-when-extending-DIO-write-races-with-buffered-read/20210412-182524
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
config: um-allmodconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/0d289243d061378ac42188ff5079287885575bb3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jan-Kara/ext4-Fix-data-corruption-when-extending-DIO-write-races-with-buffered-read/20210412-182524
        git checkout 0d289243d061378ac42188ff5079287885575bb3
        # save the attached .config to linux build tree
        make W=1 ARCH=um 

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

All errors (new ones prefixed by >>):

   cc1: warning: arch/um/include/uapi: No such file or directory [-Wmissing-include-dirs]
   fs/zonefs/super.c: In function 'zonefs_file_dio_append':
   fs/zonefs/super.c:732:2: error: too few arguments to function 'zonefs_file_write_dio_end_io'
     732 |  zonefs_file_write_dio_end_io(iocb, size, ret, 0);
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/zonefs/super.c:654:12: note: declared here
     654 | static int zonefs_file_write_dio_end_io(struct kiocb *iocb, ssize_t size,
         |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/zonefs/super.c: At top level:
>> fs/zonefs/super.c:961:14: error: initialization of 'int (*)(struct kiocb *, ssize_t,  ssize_t,  int,  unsigned int)' {aka 'int (*)(struct kiocb *, long int,  long int,  int,  unsigned int)'} from incompatible pointer type 'int (*)(struct kiocb *, ssize_t,  int,  unsigned int)' {aka 'int (*)(struct kiocb *, long int,  int,  unsigned int)'} [-Werror=incompatible-pointer-types]
     961 |  .end_io   = zonefs_file_read_dio_end_io,
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/zonefs/super.c:961:14: note: (near initialization for 'zonefs_read_dio_ops.end_io')
   cc1: some warnings being treated as errors


vim +961 fs/zonefs/super.c

8dcc1a9d90c10fa Damien Le Moal 2019-12-25  959  
8dcc1a9d90c10fa Damien Le Moal 2019-12-25  960  static const struct iomap_dio_ops zonefs_read_dio_ops = {
8dcc1a9d90c10fa Damien Le Moal 2019-12-25 @961  	.end_io			= zonefs_file_read_dio_end_io,
8dcc1a9d90c10fa Damien Le Moal 2019-12-25  962  };
8dcc1a9d90c10fa Damien Le Moal 2019-12-25  963  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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