On Wed, Jan 25, 2023 at 02:34:31PM +0100, Christoph Hellwig wrote: > -static inline int swap_readpage(struct page *page, bool do_poll, > - struct swap_iocb **plug) > +static inline void swap_readpage(struct page *page, bool do_poll, > + struct swap_iocb **plug) > { > return 0; > } Need to remove the 'return 0'.