122 		csum = btrfs_csum_data(kaddr, csum, PAGE_CACHE_SIZE);  in check_compressed_csum()
344 	WARN_ON(start & ((u64)PAGE_CACHE_SIZE - 1));  in btrfs_submit_compressed_write()
377 							   PAGE_CACHE_SIZE,  in btrfs_submit_compressed_write()
383 		if (ret || bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) <  in btrfs_submit_compressed_write()
384 		    PAGE_CACHE_SIZE) {  in btrfs_submit_compressed_write()
413 			bio_add_page(bio, page, PAGE_CACHE_SIZE, 0);  in btrfs_submit_compressed_write()
415 		if (bytes_left < PAGE_CACHE_SIZE) {  in btrfs_submit_compressed_write()
420 		bytes_left -= PAGE_CACHE_SIZE;  in btrfs_submit_compressed_write()
421 		first_byte += PAGE_CACHE_SIZE;  in btrfs_submit_compressed_write()
460 	last_offset = (page_offset(page) + PAGE_CACHE_SIZE);  in add_ra_bio_pages()
495 		end = last_offset + PAGE_CACHE_SIZE - 1;  in add_ra_bio_pages()
505 					   PAGE_CACHE_SIZE);  in add_ra_bio_pages()
509 		    (last_offset + PAGE_CACHE_SIZE > extent_map_end(em)) ||  in add_ra_bio_pages()
521 			size_t zero_offset = isize & (PAGE_CACHE_SIZE - 1);  in add_ra_bio_pages()
525 				zeros = PAGE_CACHE_SIZE - zero_offset;  in add_ra_bio_pages()
534 				   PAGE_CACHE_SIZE, 0);  in add_ra_bio_pages()
536 		if (ret == PAGE_CACHE_SIZE) {  in add_ra_bio_pages()
546 		last_offset += PAGE_CACHE_SIZE;  in add_ra_bio_pages()
570 	unsigned long uncompressed_len = bio->bi_vcnt * PAGE_CACHE_SIZE;  in btrfs_submit_compressed_read()
592 				   PAGE_CACHE_SIZE);  in btrfs_submit_compressed_read()
620 	nr_pages = DIV_ROUND_UP(compressed_len, PAGE_CACHE_SIZE);  in btrfs_submit_compressed_read()
647 	uncompressed_len = bio->bi_vcnt * PAGE_CACHE_SIZE;  in btrfs_submit_compressed_read()
664 							PAGE_CACHE_SIZE,  in btrfs_submit_compressed_read()
670 		if (ret || bio_add_page(comp_bio, page, PAGE_CACHE_SIZE, 0) <  in btrfs_submit_compressed_read()
671 		    PAGE_CACHE_SIZE) {  in btrfs_submit_compressed_read()
709 			bio_add_page(comp_bio, page, PAGE_CACHE_SIZE, 0);  in btrfs_submit_compressed_read()
711 		cur_disk_byte += PAGE_CACHE_SIZE;  in btrfs_submit_compressed_read()
1020 		bytes = min(PAGE_CACHE_SIZE - *pg_offset,  in btrfs_decompress_buf2page()
1021 			    PAGE_CACHE_SIZE - buf_offset);  in btrfs_decompress_buf2page()
1034 		if (*pg_offset == PAGE_CACHE_SIZE) {  in btrfs_decompress_buf2page()