63 			      u64 start, u64 num_bytes)  in btrfs_add_excluded_extent()  argument
65 	u64 end = start + num_bytes - 1;  in btrfs_add_excluded_extent()
821 				 u64 bytenr, u64 num_bytes,  in lookup_inline_extent_backref()  argument
845 	key.offset = num_bytes;  in lookup_inline_extent_backref()
882 			    key.offset == num_bytes)  in lookup_inline_extent_backref()
888 			key.offset = num_bytes;  in lookup_inline_extent_backref()
1074 				 u64 bytenr, u64 num_bytes, u64 parent,  in lookup_extent_backref()  argument
1080 					   num_bytes, parent, root_objectid,  in lookup_extent_backref()
1171 				 u64 bytenr, u64 num_bytes, u64 parent,  in insert_inline_extent_backref()  argument
1180 					   num_bytes, parent, root_objectid,  in insert_inline_extent_backref()
1307 			 u64 num_bytes, u64 *actual_bytes)  in btrfs_discard_extent()  argument
1320 	ret = btrfs_map_block(fs_info, BTRFS_MAP_DISCARD, bytenr, &num_bytes,  in btrfs_discard_extent()
1442 	u64 num_bytes = node->num_bytes;  in __btrfs_inc_extent_ref()  local
1453 	ret = insert_inline_extent_backref(trans, path, bytenr, num_bytes,  in __btrfs_inc_extent_ref()
1500 	ins.offset = node->num_bytes;  in run_delayed_data_ref()
1581 		key.offset = head->num_bytes;  in run_delayed_extent_op()
1600 				    key.offset == head->num_bytes)  in run_delayed_extent_op()
1608 				key.offset = head->num_bytes;  in run_delayed_extent_op()
1687 					 node->num_bytes, 1);  in run_one_delayed_ref()
1703 				 node->num_bytes, 1);  in run_one_delayed_ref()
1792 				   -head->num_bytes,  in btrfs_cleanup_ref_head_accounting()
1802 			delayed_refs->pending_csums -= head->num_bytes;  in btrfs_cleanup_ref_head_accounting()
1805 				head->num_bytes);  in btrfs_cleanup_ref_head_accounting()
1849 				 head->num_bytes, 1);  in cleanup_ref_head()
1852 					      head->num_bytes);  in cleanup_ref_head()
2118 	u64 num_bytes;  in heads_to_leaves()  local
2120 	num_bytes = heads * (sizeof(struct btrfs_extent_item) +  in heads_to_leaves()
2123 		num_bytes += heads * sizeof(struct btrfs_tree_block_info);  in heads_to_leaves()
2129 	return div_u64(num_bytes, BTRFS_LEAF_DATA_SIZE(fs_info));  in heads_to_leaves()
2219 				u64 bytenr, u64 num_bytes, u64 flags,  in btrfs_set_disk_extent_flags()  argument
2235 	ret = btrfs_add_delayed_extent_op(trans, bytenr, num_bytes, extent_op);  in btrfs_set_disk_extent_flags()
2424 	u64 num_bytes;  in __btrfs_mod_ref()  local
2470 			num_bytes = btrfs_file_extent_disk_num_bytes(buf, fi);  in __btrfs_mod_ref()
2473 					       num_bytes, parent);  in __btrfs_mod_ref()
2486 			num_bytes = fs_info->nodesize;  in __btrfs_mod_ref()
2488 					       num_bytes, parent);  in __btrfs_mod_ref()
2570 			   u64 bytenr, u64 num_bytes, int reserved)  in pin_down_extent()  argument
2576 	cache->pinned += num_bytes;  in pin_down_extent()
2578 					     num_bytes);  in pin_down_extent()
2580 		cache->reserved -= num_bytes;  in pin_down_extent()
2581 		cache->space_info->bytes_reserved -= num_bytes;  in pin_down_extent()
2587 		    num_bytes, BTRFS_TOTAL_BYTES_PINNED_BATCH);  in pin_down_extent()
2589 			 bytenr + num_bytes - 1, GFP_NOFS | __GFP_NOFAIL);  in pin_down_extent()
2597 		     u64 bytenr, u64 num_bytes, int reserved)  in btrfs_pin_extent()  argument
2604 	pin_down_extent(cache, bytenr, num_bytes, reserved);  in btrfs_pin_extent()
2614 				    u64 bytenr, u64 num_bytes)  in btrfs_pin_extent_for_log_replay()  argument
2631 	pin_down_extent(cache, bytenr, num_bytes, 0);  in btrfs_pin_extent_for_log_replay()
2634 	ret = btrfs_remove_free_space(cache, bytenr, num_bytes);  in btrfs_pin_extent_for_log_replay()
2640 				   u64 start, u64 num_bytes)  in __exclude_logged_extent()  argument
2656 		ret = btrfs_remove_free_space(block_group, start, num_bytes);  in __exclude_logged_extent()
2662 							num_bytes);  in __exclude_logged_extent()
2663 		} else if (start + num_bytes <= caching_ctl->progress) {  in __exclude_logged_extent()
2665 						      start, num_bytes);  in __exclude_logged_extent()
2667 			num_bytes = caching_ctl->progress - start;  in __exclude_logged_extent()
2669 						      start, num_bytes);  in __exclude_logged_extent()
2673 			num_bytes = (start + num_bytes) -  in __exclude_logged_extent()
2677 							num_bytes);  in __exclude_logged_extent()
2969 	u64 num_bytes = node->num_bytes;  in __btrfs_free_extent()  local
2986 	ret = lookup_extent_backref(trans, path, &iref, bytenr, num_bytes,  in __btrfs_free_extent()
2997 			    key.offset == num_bytes) {  in __btrfs_free_extent()
3025 			key.offset = num_bytes;  in __btrfs_free_extent()
3044 				    key.offset == num_bytes)  in __btrfs_free_extent()
3052 				key.offset = num_bytes;  in __btrfs_free_extent()
3158 			ret = btrfs_del_csums(trans, info, bytenr, num_bytes);  in __btrfs_free_extent()
3165 		ret = add_to_free_space_tree(trans, bytenr, num_bytes);  in __btrfs_free_extent()
3171 		ret = btrfs_update_block_group(trans, bytenr, num_bytes, 0);  in __btrfs_free_extent()
3422 	u64 num_bytes;  member
3496 			ffe_ctl->num_bytes, cluster_bg->key.objectid,  in find_free_extent_clustered()
3502 				ffe_ctl->search_start, ffe_ctl->num_bytes);  in find_free_extent_clustered()
3543 			ffe_ctl->num_bytes, aligned_cluster);  in find_free_extent_clustered()
3547 				ffe_ctl->num_bytes, ffe_ctl->search_start,  in find_free_extent_clustered()
3554 					ffe_ctl->num_bytes);  in find_free_extent_clustered()
3563 		btrfs_wait_block_group_cache_progress(bg, ffe_ctl->num_bytes +  in find_free_extent_clustered()
3604 		    ffe_ctl->num_bytes + ffe_ctl->empty_cluster +  in find_free_extent_unclustered()
3616 			ffe_ctl->num_bytes, ffe_ctl->empty_size,  in find_free_extent_unclustered()
3630 		btrfs_wait_block_group_cache_progress(bg, ffe_ctl->num_bytes +  in find_free_extent_unclustered()
3778 				u64 ram_bytes, u64 num_bytes, u64 empty_size,  in find_free_extent()  argument
3790 	WARN_ON(num_bytes < fs_info->sectorsize);  in find_free_extent()
3793 	ffe_ctl.num_bytes = num_bytes;  in find_free_extent()
3809 	trace_find_free_extent(fs_info, num_bytes, empty_size, flags);  in find_free_extent()
3830 		    num_bytes > space_info->max_extent_size) {  in find_free_extent()
3986 		if (ffe_ctl.search_start + num_bytes >  in find_free_extent()
3989 					     num_bytes);  in find_free_extent()
3998 				num_bytes, delalloc);  in find_free_extent()
4001 					     num_bytes);  in find_free_extent()
4008 		ins->offset = num_bytes;  in find_free_extent()
4011 					   num_bytes);  in find_free_extent()
4090 			 u64 num_bytes, u64 min_alloc_size,  in btrfs_reserve_extent()  argument
4095 	bool final_tried = num_bytes == min_alloc_size;  in btrfs_reserve_extent()
4101 	WARN_ON(num_bytes < fs_info->sectorsize);  in btrfs_reserve_extent()
4102 	ret = find_free_extent(fs_info, ram_bytes, num_bytes, empty_size,  in btrfs_reserve_extent()
4108 			num_bytes = min(num_bytes >> 1, ins->offset);  in btrfs_reserve_extent()
4109 			num_bytes = round_down(num_bytes,  in btrfs_reserve_extent()
4111 			num_bytes = max(num_bytes, min_alloc_size);  in btrfs_reserve_extent()
4112 			ram_bytes = num_bytes;  in btrfs_reserve_extent()
4113 			if (num_bytes == min_alloc_size)  in btrfs_reserve_extent()
4122 				  flags, num_bytes);  in btrfs_reserve_extent()
4125 						      num_bytes, 1);  in btrfs_reserve_extent()
4260 	u64 num_bytes;  in alloc_reserved_tree_block()  local
4270 		num_bytes = fs_info->nodesize;  in alloc_reserved_tree_block()
4272 		extent_key.offset = node->num_bytes;  in alloc_reserved_tree_block()
4275 		num_bytes = node->num_bytes;  in alloc_reserved_tree_block()
4322 					  num_bytes);  in alloc_reserved_tree_block()