[dhowells-fs:netfs-next 26/26] fs/netfs/buffered_read.c:223:6: warning: no previous prototype for 'netfs_mark_read_submission'

[dhowells-fs:netfs-next 26/26] fs/netfs/buffered_read.c:223:6: warning: no previous prototype for 'netfs_mark_read_submission'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-next
head:   13e05ee43d1290bb487ef5318b4d2d27be8ce4b5
commit: 13e05ee43d1290bb487ef5318b4d2d27be8ce4b5 [26/26] netfs: Combine prepare and issue ops and grab the buffers on request
config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20260328/202603280644.RdtevT28-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260328/202603280644.RdtevT28-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/202603280644.RdtevT28-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/netfs/buffered_read.c:223:6: warning: no previous prototype for 'netfs_mark_read_submission' [-Wmissing-prototypes]
     223 | void netfs_mark_read_submission(struct netfs_io_subrequest *subreq)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/netfs/buffered_read.c: In function 'netfs_mark_read_submission':
>> fs/netfs/buffered_read.c:226:33: warning: unused variable 'stream' [-Wunused-variable]
     226 |         struct netfs_io_stream *stream = &rreq->io_streams[0];
         |                                 ^~~~~~


vim +/netfs_mark_read_submission +223 fs/netfs/buffered_read.c

   213	
   214	/**
   215	 * netfs_mark_read_submission - Mark a read subrequest as being ready for submission
   216	 * @subreq: The subrequest to be marked
   217	 *
   218	 * Calling this marks a read subrequest as being ready for submission and makes
   219	 * it available to the collection thread.  After calling this, the filesystem's
   220	 * ->issue_read() method must invoke netfs_read_subreq_terminated() to end the
   221	 * subrequest.
   222	 */
 > 223	void netfs_mark_read_submission(struct netfs_io_subrequest *subreq)
   224	{
   225		struct netfs_io_request *rreq = subreq->rreq;
 > 226		struct netfs_io_stream *stream = &rreq->io_streams[0];
   227	
   228		_enter("R=%08x[%x]", rreq->debug_id, subreq->debug_index);
   229	
   230		trace_netfs_sreq(subreq, netfs_sreq_trace_submit);
   231	}
   232	EXPORT_SYMBOL(netfs_mark_read_submission);
   233	

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