write_iter variants of {__,}generic_file_aio_write()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 32c661d..9c2dba6 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -458,7 +458,7 @@
 	 * stalls if we need to run get_block().  We could test
 	 * PagePrivate for that.
 	 *
-	 * If this process is currently in __generic_file_aio_write() against
+	 * If this process is currently in __generic_file_write_iter() against
 	 * this page's queue, we can perform writeback even if that
 	 * will block.
 	 *