Hi Dave,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on xfs-linux/for-next]
[also build test WARNING on next-20210616]
[cannot apply to v5.13-rc6]
[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/Dave-Chinner/xfs-log-fixes-for-for-next/20210617-162640
base:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next
config: x86_64-randconfig-a011-20210617 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/8634f301cb32bdc5ebbfcf0671509ca5fa857edd
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dave-Chinner/xfs-log-fixes-for-for-next/20210617-162640
        git checkout 8634f301cb32bdc5ebbfcf0671509ca5fa857edd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> fs/xfs/xfs_log_cil.c:792:1: warning: no previous prototype for function 'xlog_cil_write_commit_record' [-Wmissing-prototypes]
   xlog_cil_write_commit_record(
   ^
   fs/xfs/xfs_log_cil.c:791:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int
   ^
   static 
   1 warning generated.


vim +/xlog_cil_write_commit_record +792 fs/xfs/xfs_log_cil.c

   785	
   786	/*
   787	 * Write out the commit record of a checkpoint transaction associated with the
   788	 * given ticket to close off a running log write. Return the lsn of the commit
   789	 * record.
   790	 */
   791	int
 > 792	xlog_cil_write_commit_record(
   793		struct xlog		*log,
   794		struct xlog_ticket	*ticket,
   795		struct xlog_in_core	**iclog,
   796		xfs_lsn_t		*lsn)
   797	{
   798		struct xlog_op_header	ophdr = {
   799			.oh_clientid = XFS_TRANSACTION,
   800			.oh_tid = cpu_to_be32(ticket->t_tid),
   801			.oh_flags = XLOG_COMMIT_TRANS,
   802		};
   803		struct xfs_log_iovec reg = {
   804			.i_addr = &ophdr,
   805			.i_len = sizeof(struct xlog_op_header),
   806			.i_type = XLOG_REG_TYPE_COMMIT,
   807		};
   808		struct xfs_log_vec vec = {
   809			.lv_niovecs = 1,
   810			.lv_iovecp = &reg,
   811		};
   812		int	error;
   813		LIST_HEAD(lv_chain);
   814		INIT_LIST_HEAD(&vec.lv_list);
   815		list_add(&vec.lv_list, &lv_chain);
   816	
   817		if (XLOG_FORCED_SHUTDOWN(log))
   818			return -EIO;
   819	
   820		/* account for space used by record data */
   821		ticket->t_curr_res -= reg.i_len;
   822		error = xlog_write(log, &lv_chain, ticket, lsn, iclog, reg.i_len);
   823		if (error)
   824			xfs_force_shutdown(log->l_mp, SHUTDOWN_LOG_IO_ERROR);
   825		return error;
   826	}
   827	

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