114 	u64 page_start = page_offset(locked_page);  in btrfs_cleanup_ordered_extents()  local
115 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_cleanup_ordered_extents()
133 	if (page_start >= offset && page_end <= (offset + bytes - 1)) {  in btrfs_cleanup_ordered_extents()
2337 	u64 page_start;  in btrfs_writepage_fixup_worker()  local
2345 	page_start = page_offset(page);  in btrfs_writepage_fixup_worker()
2352 	ret = btrfs_delalloc_reserve_space(inode, &data_reserved, page_start,  in btrfs_writepage_fixup_worker()
2383 						     page_start, PAGE_SIZE,  in btrfs_writepage_fixup_worker()
2397 	lock_extent_bits(&inode->io_tree, page_start, page_end, &cached_state);  in btrfs_writepage_fixup_worker()
2403 	ordered = btrfs_lookup_ordered_range(inode, page_start, PAGE_SIZE);  in btrfs_writepage_fixup_worker()
2405 		unlock_extent_cached(&inode->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
2413 	ret = btrfs_set_extent_delalloc(inode, page_start, page_end, 0,  in btrfs_writepage_fixup_worker()
2430 		btrfs_delalloc_release_space(inode, data_reserved, page_start,  in btrfs_writepage_fixup_worker()
2432 	unlock_extent_cached(&inode->io_tree, page_start, page_end,  in btrfs_writepage_fixup_worker()
2441 		end_extent_writepage(page, ret, page_start, page_end);  in btrfs_writepage_fixup_worker()
8219 	u64 page_start = page_offset(page);  in btrfs_invalidatepage()  local
8220 	u64 page_end = page_start + PAGE_SIZE - 1;  in btrfs_invalidatepage()
8252 		lock_extent_bits(tree, page_start, page_end, &cached_state);  in btrfs_invalidatepage()
8254 	start = page_start;  in btrfs_invalidatepage()
8316 	btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE);  in btrfs_invalidatepage()
8318 		clear_extent_bit(tree, page_start, page_end, EXTENT_LOCKED |  in btrfs_invalidatepage()
8361 	u64 page_start;  in btrfs_page_mkwrite()  local
8368 	page_start = page_offset(page);  in btrfs_page_mkwrite()
8369 	page_end = page_start + PAGE_SIZE - 1;  in btrfs_page_mkwrite()
8381 					    page_start, reserved_space);  in btrfs_page_mkwrite()
8399 	    (page_start >= size)) {  in btrfs_page_mkwrite()
8405 	lock_extent_bits(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8412 	ordered = btrfs_lookup_ordered_range(BTRFS_I(inode), page_start,  in btrfs_page_mkwrite()
8415 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8424 		reserved_space = round_up(size - page_start,  in btrfs_page_mkwrite()
8427 			end = page_start + reserved_space - 1;  in btrfs_page_mkwrite()
8429 					data_reserved, page_start,  in btrfs_page_mkwrite()
8441 	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, end,  in btrfs_page_mkwrite()
8445 	ret2 = btrfs_set_extent_delalloc(BTRFS_I(inode), page_start, end, 0,  in btrfs_page_mkwrite()
8448 		unlock_extent_cached(io_tree, page_start, page_end,  in btrfs_page_mkwrite()
8455 	if (page_start + PAGE_SIZE > size)  in btrfs_page_mkwrite()
8472 	unlock_extent_cached(io_tree, page_start, page_end, &cached_state);  in btrfs_page_mkwrite()
8483 	btrfs_delalloc_release_space(BTRFS_I(inode), data_reserved, page_start,  in btrfs_page_mkwrite()