62 struct nullb_page {  struct
722 static struct nullb_page *null_alloc_page(gfp_t gfp_flags)  in null_alloc_page()
724 	struct nullb_page *t_page;  in null_alloc_page()
726 	t_page = kmalloc(sizeof(struct nullb_page), gfp_flags);  in null_alloc_page()
742 static void null_free_page(struct nullb_page *t_page)  in null_free_page()
751 static bool null_page_empty(struct nullb_page *page)  in null_page_empty()
763 	struct nullb_page *t_page, *ret;  in null_free_sector()
784 static struct nullb_page *null_radix_tree_insert(struct nullb *nullb, u64 idx,  in null_radix_tree_insert()
785 	struct nullb_page *t_page, bool is_cache)  in null_radix_tree_insert()
805 	struct nullb_page *ret, *t_pages[FREE_BATCH];  in null_free_device_storage()
830 static struct nullb_page *__null_lookup_page(struct nullb *nullb,  in __null_lookup_page()
835 	struct nullb_page *t_page;  in __null_lookup_page()
851 static struct nullb_page *null_lookup_page(struct nullb *nullb,  in null_lookup_page()
854 	struct nullb_page *page = NULL;  in null_lookup_page()
863 static struct nullb_page *null_insert_page(struct nullb *nullb,  in null_insert_page()
869 	struct nullb_page *t_page;  in null_insert_page()
898 static int null_flush_cache_page(struct nullb *nullb, struct nullb_page *c_page)  in null_flush_cache_page()
903 	struct nullb_page *t_page, *ret;  in null_flush_cache_page()
950 	struct nullb_page *c_pages[FREE_BATCH];  in null_make_cache_space()
1005 	struct nullb_page *t_page;  in copy_to_nullb()
1042 	struct nullb_page *t_page;  in copy_from_nullb()