[anolis-intel-cloud:devel-5.10 4/4] fs/jbd2/journal.c:1529:6: warning: no previous prototype for 'jbd2_proxy_exec_get'

[kernel test robot <lkp@intel.com>]

tree:   https://gitee.com/anolis/intel-cloud-kernel.git devel-5.10
head:   e93dbf3bd481cf9c55d08073d8b0865cf274707c
commit: e93dbf3bd481cf9c55d08073d8b0865cf274707c [4/4] anolis: sched: introduce simplified proxy execution for jbd2_lock
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20250418/202504181024.tHso9v5K-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250418/202504181024.tHso9v5K-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504181024.tHso9v5K-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/jbd2/journal.c:1529:6: warning: no previous prototype for 'jbd2_proxy_exec_get' [-Wmissing-prototypes]
    1529 | void jbd2_proxy_exec_get(journal_t *journal)
         |      ^~~~~~~~~~~~~~~~~~~


vim +/jbd2_proxy_exec_get +1529 fs/jbd2/journal.c

  1524	
  1525	/*
  1526	 * When we enable proxy exec for journal, we call jbd2_proxy_exec_get().
  1527	 * If we are the first one to enable, we'll also enable __jbd2_proxy_exec_enabled.
  1528	 */
> 1529	void jbd2_proxy_exec_get(journal_t *journal)
  1530	{
  1531		atomic_inc(&journal->proxy_exec_refcount);
  1532	
  1533		if (atomic_inc_not_zero(&jbd2_proxy_exec_count))
  1534			return;
  1535	
  1536		mutex_lock(&jbd2_proxy_exec_mutex);
  1537		if (!atomic_read(&jbd2_proxy_exec_count))
  1538			static_branch_enable(&__jbd2_proxy_exec_enabled);
  1539	
  1540		/* Ensure the static branch is enabled before we increase jbd2_proxy_exec_count. */
  1541		smp_mb__before_atomic();
  1542		atomic_inc(&jbd2_proxy_exec_count);
  1543		mutex_unlock(&jbd2_proxy_exec_mutex);
  1544	}
  1545	

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