On Mon, Jun 19, 2023 at 11:18:23PM +0200, Bean Huo wrote: > +++ b/fs/buffer.c > @@ -2116,8 +2116,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len, > } > EXPORT_SYMBOL(__block_write_begin); > > -static int __block_commit_write(struct inode *inode, struct page *page, > - unsigned from, unsigned to) > +int block_commit_write(struct page *page, unsigned int from, unsigned int to) > { > unsigned block_start, block_end; > int partial = 0; You're going to need to redo these patches, I'm afraid. A series of patches I wrote just went in that convert __block_commit_write (but not block_commit_write) to take a folio instead of a page.