On Mon, Jun 26, 2023 at 06:35:10PM +0100, Matthew Wilcox (Oracle) wrote: > + struct folio_batch fbatch; > + pgoff_t done_index; > + int err; > + I think this really needs a comment that it should only be used for the writeback iterator. In fact this whole structure could use a lot more comments on what should / can be set by the caller, and what is internal. > + unsigned range_whole:1; /* entire file */ Same here.
