On Fri, Aug 21, 2020 at 01:46:06PM +0100, Matthew Wilcox (Oracle) wrote: > @@ -45,11 +46,13 @@ static struct iomap_page * > iomap_page_create(struct inode *inode, struct page *page) > { > struct iomap_page *iop = to_iomap_page(page); > + unsigned int nr_blocks = i_blocks_per_page(inode, page); > i_blocks_per_page isn't part of this series. It's here: http://git.infradead.org/users/willy/pagecache.git/commitdiff/e3177f30c0d0906bec49586a86704a2a5736b6c3