3783 				const struct extent_map *em,  in wait_ordered_extents()  argument
3789 	u64 mod_start = em->mod_start;  in wait_ordered_extents()
3790 	u64 mod_len = em->mod_len;  in wait_ordered_extents()
3799 	if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags) ||  in wait_ordered_extents()
3800 	    em->block_start == EXTENT_MAP_HOLE)  in wait_ordered_extents()
3900 	if (em->compress_type) {  in wait_ordered_extents()
3902 		csum_len = max(em->block_len, em->orig_block_len);  in wait_ordered_extents()
3904 		csum_offset = mod_start - em->start;  in wait_ordered_extents()
3910 				       em->block_start + csum_offset,  in wait_ordered_extents()
3911 				       em->block_start + csum_offset +  in wait_ordered_extents()
3931 			  const struct extent_map *em,  in log_one_extent()  argument
3941 	u64 extent_offset = em->start - em->orig_start;  in log_one_extent()
3947 	ret = wait_ordered_extents(trans, inode, root, em, logged_list,  in log_one_extent()
3959 	ret = __btrfs_drop_extents(trans, log, inode, path, em->start,  in log_one_extent()
3960 				   em->start + em->len, NULL, 0, 1,  in log_one_extent()
3968 		key.offset = em->start;  in log_one_extent()
3981 	if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))  in log_one_extent()
3990 	block_len = max(em->block_len, em->orig_block_len);  in log_one_extent()
3991 	if (em->compress_type != BTRFS_COMPRESS_NONE) {  in log_one_extent()
3993 							em->block_start,  in log_one_extent()
3997 	} else if (em->block_start < EXTENT_MAP_LAST_BYTE) {  in log_one_extent()
3999 							em->block_start -  in log_one_extent()
4010 	btrfs_set_token_file_extent_num_bytes(leaf, fi, em->len, &token);  in log_one_extent()
4011 	btrfs_set_token_file_extent_ram_bytes(leaf, fi, em->ram_bytes, &token);  in log_one_extent()
4012 	btrfs_set_token_file_extent_compression(leaf, fi, em->compress_type,  in log_one_extent()
4030 	struct extent_map *em, *n;  in btrfs_log_changed_extents()  local
4042 	list_for_each_entry_safe(em, n, &tree->modified_extents, list) {  in btrfs_log_changed_extents()
4043 		list_del_init(&em->list);  in btrfs_log_changed_extents()
4057 		if (em->generation <= test_gen)  in btrfs_log_changed_extents()
4060 		atomic_inc(&em->refs);  in btrfs_log_changed_extents()
4061 		set_bit(EXTENT_FLAG_LOGGING, &em->flags);  in btrfs_log_changed_extents()
4062 		list_add_tail(&em->list, &extents);  in btrfs_log_changed_extents()
4070 		em = list_entry(extents.next, struct extent_map, list);  in btrfs_log_changed_extents()
4072 		list_del_init(&em->list);  in btrfs_log_changed_extents()
4079 			clear_em_logging(tree, em);  in btrfs_log_changed_extents()
4080 			free_extent_map(em);  in btrfs_log_changed_extents()
4086 		ret = log_one_extent(trans, inode, root, em, path, logged_list,  in btrfs_log_changed_extents()
4089 		clear_em_logging(tree, em);  in btrfs_log_changed_extents()
4090 		free_extent_map(em);  in btrfs_log_changed_extents()
4745 		struct extent_map *em, *n;  in btrfs_log_inode()  local
4766 		list_for_each_entry_safe(em, n, &em_tree->modified_extents,  in btrfs_log_inode()
4768 			const u64 mod_end = em->mod_start + em->mod_len - 1;  in btrfs_log_inode()
4770 			if (em->mod_start >= start && mod_end <= end)  in btrfs_log_inode()
4771 				list_del_init(&em->list);  in btrfs_log_inode()