22 static inline bool mapping_empty(struct address_space *mapping)  in mapping_empty()  argument
24 	return xa_empty(&mapping->i_pages);  in mapping_empty()
55 static inline void mapping_set_error(struct address_space *mapping, int error)  in mapping_set_error()  argument
61 	__filemap_set_wb_err(mapping, error);  in mapping_set_error()
64 	if (mapping->host)  in mapping_set_error()
65 		errseq_set(&mapping->host->i_sb->s_wb_err, error);  in mapping_set_error()
69 		set_bit(AS_ENOSPC, &mapping->flags);  in mapping_set_error()
71 		set_bit(AS_EIO, &mapping->flags);  in mapping_set_error()
74 static inline void mapping_set_unevictable(struct address_space *mapping)  in mapping_set_unevictable()  argument
76 	set_bit(AS_UNEVICTABLE, &mapping->flags);  in mapping_set_unevictable()
79 static inline void mapping_clear_unevictable(struct address_space *mapping)  in mapping_clear_unevictable()  argument
81 	clear_bit(AS_UNEVICTABLE, &mapping->flags);  in mapping_clear_unevictable()
84 static inline bool mapping_unevictable(struct address_space *mapping)  in mapping_unevictable()  argument
86 	return mapping && test_bit(AS_UNEVICTABLE, &mapping->flags);  in mapping_unevictable()
89 static inline void mapping_set_exiting(struct address_space *mapping)  in mapping_set_exiting()  argument
91 	set_bit(AS_EXITING, &mapping->flags);  in mapping_set_exiting()
94 static inline int mapping_exiting(struct address_space *mapping)  in mapping_exiting()  argument
96 	return test_bit(AS_EXITING, &mapping->flags);  in mapping_exiting()
99 static inline void mapping_set_no_writeback_tags(struct address_space *mapping)  in mapping_set_no_writeback_tags()  argument
101 	set_bit(AS_NO_WRITEBACK_TAGS, &mapping->flags);  in mapping_set_no_writeback_tags()
104 static inline int mapping_use_writeback_tags(struct address_space *mapping)  in mapping_use_writeback_tags()  argument
106 	return !test_bit(AS_NO_WRITEBACK_TAGS, &mapping->flags);  in mapping_use_writeback_tags()
109 static inline gfp_t mapping_gfp_mask(struct address_space * mapping)  in mapping_gfp_mask()  argument
111 	return mapping->gfp_mask;  in mapping_gfp_mask()
115 static inline gfp_t mapping_gfp_constraint(struct address_space *mapping,  in mapping_gfp_constraint()  argument
118 	return mapping_gfp_mask(mapping) & gfp_mask;  in mapping_gfp_constraint()
130 static inline bool mapping_thp_support(struct address_space *mapping)  in mapping_thp_support()  argument
132 	return test_bit(AS_THP_SUPPORT, &mapping->flags);  in mapping_thp_support()
135 static inline int filemap_nr_thps(struct address_space *mapping)  in filemap_nr_thps()  argument
138 	return atomic_read(&mapping->nr_thps);  in filemap_nr_thps()
144 static inline void filemap_nr_thps_inc(struct address_space *mapping)  in filemap_nr_thps_inc()  argument
147 	if (!mapping_thp_support(mapping))  in filemap_nr_thps_inc()
148 		atomic_inc(&mapping->nr_thps);  in filemap_nr_thps_inc()
154 static inline void filemap_nr_thps_dec(struct address_space *mapping)  in filemap_nr_thps_dec()  argument
157 	if (!mapping_thp_support(mapping))  in filemap_nr_thps_dec()
158 		atomic_dec(&mapping->nr_thps);  in filemap_nr_thps_dec()
318 pgoff_t page_cache_next_miss(struct address_space *mapping,
320 pgoff_t page_cache_prev_miss(struct address_space *mapping,
333 struct page *pagecache_get_page(struct address_space *mapping, pgoff_t offset,
346 static inline struct page *find_get_page(struct address_space *mapping,  in find_get_page()  argument
349 	return pagecache_get_page(mapping, offset, 0, 0);  in find_get_page()
352 static inline struct page *find_get_page_flags(struct address_space *mapping,  in find_get_page_flags()  argument
355 	return pagecache_get_page(mapping, offset, fgp_flags, 0);  in find_get_page_flags()
371 static inline struct page *find_lock_page(struct address_space *mapping,  in find_lock_page()  argument
374 	return pagecache_get_page(mapping, index, FGP_LOCK, 0);  in find_lock_page()
390 static inline struct page *find_lock_head(struct address_space *mapping,  in find_lock_head()  argument
393 	return pagecache_get_page(mapping, index, FGP_LOCK | FGP_HEAD, 0);  in find_lock_head()
415 static inline struct page *find_or_create_page(struct address_space *mapping,  in find_or_create_page()  argument
418 	return pagecache_get_page(mapping, index,  in find_or_create_page()
436 static inline struct page *grab_cache_page_nowait(struct address_space *mapping,  in grab_cache_page_nowait()  argument
439 	return pagecache_get_page(mapping, index,  in grab_cache_page_nowait()
441 			mapping_gfp_mask(mapping));  in grab_cache_page_nowait()
466 unsigned find_get_entries(struct address_space *mapping, pgoff_t start,
468 unsigned find_get_pages_range(struct address_space *mapping, pgoff_t *start,
471 static inline unsigned find_get_pages(struct address_space *mapping,  in find_get_pages()  argument
475 	return find_get_pages_range(mapping, start, (pgoff_t)-1, nr_pages,  in find_get_pages()
478 unsigned find_get_pages_contig(struct address_space *mapping, pgoff_t start,
480 unsigned find_get_pages_range_tag(struct address_space *mapping, pgoff_t *index,
483 static inline unsigned find_get_pages_tag(struct address_space *mapping,  in find_get_pages_tag()  argument
487 	return find_get_pages_range_tag(mapping, index, (pgoff_t)-1, tag,  in find_get_pages_tag()
491 struct page *grab_cache_page_write_begin(struct address_space *mapping,
497 static inline struct page *grab_cache_page(struct address_space *mapping,  in grab_cache_page()  argument
500 	return find_or_create_page(mapping, index, mapping_gfp_mask(mapping));  in grab_cache_page()
503 extern struct page * read_cache_page(struct address_space *mapping,
505 extern struct page * read_cache_page_gfp(struct address_space *mapping,
507 extern int read_cache_pages(struct address_space *mapping,
510 static inline struct page *read_mapping_page(struct address_space *mapping,  in read_mapping_page()  argument
513 	return read_cache_page(mapping, index, NULL, data);  in read_mapping_page()
741 int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
743 int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
748 void delete_from_page_cache_batch(struct address_space *mapping,
758 		struct address_space *mapping, pgoff_t offset, gfp_t gfp_mask)  in add_to_page_cache()  argument
763 	error = add_to_page_cache_locked(page, mapping, offset, gfp_mask);  in add_to_page_cache()
787 	struct address_space *mapping;  member
798 		.mapping = m,						\
827 void page_cache_sync_readahead(struct address_space *mapping,  in page_cache_sync_readahead()  argument
831 	DEFINE_READAHEAD(ractl, file, ra, mapping, index);  in page_cache_sync_readahead()
850 void page_cache_async_readahead(struct address_space *mapping,  in page_cache_async_readahead()  argument
854 	DEFINE_READAHEAD(ractl, file, ra, mapping, index);  in page_cache_async_readahead()
880 	page = xa_load(&rac->mapping->i_pages, rac->_index);  in readahead_page()
891 	XA_STATE(xas, &rac->mapping->i_pages, 0);  in __readahead_batch()
1006 	if (page->mapping != inode->i_mapping)  in page_mkwrite_check_truncate()