linux/mm/shmem.c

162 			struct folio **foliop, enum sgp_type sgp, gfp_t gfp,
2119 static int shmem_replace_folio(struct folio **foliop, gfp_t gfp,
2123 	struct folio *new, *old = *foliop;
2188 		*foliop = new;
2309  * Swap in the folio pointed to by *foliop.
2310  * Caller has to make sure that *foliop contains a valid swapped folio.
2311  * Returns 0 and the folio in foliop if success. On failure, returns the
2312  * error code and NULL in *foliop.
2315 			     struct folio **foliop, enum sgp_type sgp,
2329 	VM_BUG_ON(!*foliop || !xa_is_value(*foliop));
2330 	index_entry = radix_to_swp_entry(*foliop);
2332 	*foliop = NULL;
2467 	*foliop = folio;
2498 		loff_t write_end, struct folio **foliop, enum sgp_type sgp,
2535 		*foliop = folio;
2563 	*foliop = NULL;
2659 	*foliop = folio;
2681  * @foliop:	pointer to the folio if found
2692  *  - for SGP_READ, *@foliop is %NULL and 0 is returned
2693  *  - for SGP_NOALLOC, *@foliop is %NULL and -ENOENT is returned
2695  *    page cache and returned locked in @foliop.
2701 		    struct folio **foliop, enum sgp_type sgp)
2703 	return shmem_get_folio_gfp(inode, index, write_end, foliop, sgp,
3219 			   struct folio **foliop)
3237 		if (unlikely(*foliop)) {
3238 			folio_put(*foliop);
3239 			*foliop = NULL;
3244 	if (!*foliop) {
3276 				*foliop = folio;
3287 		folio = *foliop;
3289 		*foliop = NULL;
3336 		  struct folio **foliop, void **fsdata)
3363 	*foliop = folio;