On Mon, Aug 12, 2024 at 08:11:58PM +0800, Zhang Yi wrote: > +++ b/fs/iomap/buffered-io.c > @@ -744,8 +744,8 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos, > poff, plen, srcmap); > if (status) > return status; > + iomap_set_range_uptodate(folio, poff, plen); > } > - iomap_set_range_uptodate(folio, poff, plen); > } while ((block_start += plen) < block_end); Um, what I meant was to just delete the iomap_set_range_uptodate() call in __iomap_write_begin() altogether. We'll call it soon enough in __iomap_write_end().