splice: Export filemap/direct_splice_read()

filemap_splice_read() and direct_splice_read() should be exported.

Signed-off-by: David Howells <[e-mail]>
cc: Steve French <[e-mail]>
cc: Jens Axboe <[e-mail]>
cc: Christoph Hellwig <[e-mail]>
cc: Al Viro <[e-mail]>
cc: David Hildenbrand <[e-mail]>
cc: John Hubbard <[e-mail]>
cc: [e-mail]
cc: [e-mail]
cc: [e-mail]
cc: [e-mail]
Signed-off-by: Steve French <[e-mail]>

fs/splice.c

···
 	kfree(bv);
 	return ret;
 }
+EXPORT_SYMBOL(direct_splice_read);
 
 /**
  * generic_file_splice_read - splice data from file to a pipe

mm/filemap.c

···
 
 	return total_spliced ? total_spliced : error;
 }
+EXPORT_SYMBOL(filemap_splice_read);
 
 static inline loff_t folio_seek_hole_data(struct xa_state *xas,
 		struct address_space *mapping, struct folio *folio,