extern int __swap_count(swp_entry_t entry);
extern int swap_swapcount(struct swap_info_struct *si, swp_entry_t entry);
extern int swp_swapcount(swp_entry_t entry);
-extern struct swap_info_struct *page_swap_info(struct page *);
-extern struct swap_info_struct *swp_swap_info(swp_entry_t entry);
+struct swap_info_struct *swp_swap_info(swp_entry_t entry);
struct backing_dev_info;
extern int init_swap_address_space(unsigned int type, unsigned long nr_pages);
extern void exit_swap_address_space(unsigned int type);
static inline unsigned int folio_swap_flags(struct folio *folio)
{
- return page_swap_info(&folio->page)->flags;
+ return swp_swap_info(folio->swap)->flags;
}
#else /* CONFIG_SWAP */
struct swap_iocb;
return swap_type_to_swap_info(swp_type(entry));
}
-struct swap_info_struct *page_swap_info(struct page *page)
-{
- swp_entry_t entry = page_swap_entry(page);
- return swp_swap_info(entry);
-}
-
/*
* out-of-line methods to avoid include hell.
*/
struct address_space *swapcache_mapping(struct folio *folio)
{
- return page_swap_info(&folio->page)->swap_file->f_mapping;
+ return swp_swap_info(folio->swap)->swap_file->f_mapping;
}
EXPORT_SYMBOL_GPL(swapcache_mapping);