diff --git a/mm/page_io.c b/mm/page_io.c index 9cf53feb344a238f1f436b50964272472e5037e3..2dda3260bc84e5f3e709a549491512939a079951 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -275,7 +275,7 @@ static void sio_write_complete(struct kiocb *iocb, long ret) * be temporary. */ pr_err_ratelimited("Write error %ld on dio swapfile (%llu)\n", - ret, page_file_offset(page)); + ret, swap_dev_pos(page_swap_entry(page))); for (p = 0; p < sio->pages; p++) { page = sio->bvec[p].bv_page; set_page_dirty(page); @@ -294,7 +294,7 @@ static void swap_writepage_fs(struct folio *folio, struct writeback_control *wbc struct swap_iocb *sio = NULL; struct swap_info_struct *sis = swp_swap_info(folio->swap); struct file *swap_file = sis->swap_file; - loff_t pos = folio_file_pos(folio); + loff_t pos = swap_dev_pos(folio->swap); count_swpout_vm_event(folio); folio_start_writeback(folio); @@ -431,7 +431,7 @@ static void swap_read_folio_fs(struct folio *folio, struct swap_iocb **plug) { struct swap_info_struct *sis = swp_swap_info(folio->swap); struct swap_iocb *sio = NULL; - loff_t pos = folio_file_pos(folio); + loff_t pos = swap_dev_pos(folio->swap); if (plug) sio = *plug; diff --git a/mm/swap.h b/mm/swap.h index 26fa536a89477eb8de8d0e8872146cf8932549cf..d0a27dcf60e20bd10e02cc0576b373e98b97852f 100644 --- a/mm/swap.h +++ b/mm/swap.h @@ -3,6 +3,7 @@ #define _MM_SWAP_H #ifdef CONFIG_SWAP +#include /* for swp_offset */ #include /* for bio_end_io_t */ /* linux/mm/page_io.c */ @@ -28,6 +29,14 @@ extern struct address_space *swapper_spaces[]; (&swapper_spaces[swp_type(entry)][swp_offset(entry) \ >> SWAP_ADDRESS_SPACE_SHIFT]) +/* + * Return the swap device position of the swap entry. + */ +static inline loff_t swap_dev_pos(swp_entry_t entry) +{ + return ((loff_t)swp_offset(entry)) << PAGE_SHIFT; +} + void show_swap_cache_info(void); bool add_to_swap(struct folio *folio); void *get_shadow_from_swap_cache(swp_entry_t entry);