65 			      u64 start, u64 num_bytes)  in btrfs_add_excluded_extent()  argument
67 	u64 end = start + num_bytes - 1;  in btrfs_add_excluded_extent()
818 				 u64 bytenr, u64 num_bytes,  in lookup_inline_extent_backref()  argument
842 	key.offset = num_bytes;  in lookup_inline_extent_backref()
879 			    key.offset == num_bytes)  in lookup_inline_extent_backref()
885 			key.offset = num_bytes;  in lookup_inline_extent_backref()
1071 				 u64 bytenr, u64 num_bytes, u64 parent,  in lookup_extent_backref()  argument
1077 					   num_bytes, parent, root_objectid,  in lookup_extent_backref()
1168 				 u64 bytenr, u64 num_bytes, u64 parent,  in insert_inline_extent_backref()  argument
1177 					   num_bytes, parent, root_objectid,  in insert_inline_extent_backref()
1187 				   bytenr, num_bytes, root_objectid);  in insert_inline_extent_backref()
1301 			 u64 num_bytes, u64 *actual_bytes)  in btrfs_discard_extent()  argument
1305 	u64 end = bytenr + num_bytes;  in btrfs_discard_extent()
1319 		num_bytes = end - cur;  in btrfs_discard_extent()
1322 				      &num_bytes, &bbio, 0);  in btrfs_discard_extent()
1370 		cur += num_bytes;  in btrfs_discard_extent()
1460 	u64 num_bytes = node->num_bytes;  in __btrfs_inc_extent_ref()  local
1470 	ret = insert_inline_extent_backref(trans, path, bytenr, num_bytes,  in __btrfs_inc_extent_ref()
1523 	ins.offset = node->num_bytes;  in run_delayed_data_ref()
1604 		key.offset = head->num_bytes;  in run_delayed_extent_op()
1622 				    key.offset == head->num_bytes)  in run_delayed_extent_op()
1630 				key.offset = head->num_bytes;  in run_delayed_extent_op()
1708 			btrfs_pin_extent(trans, node->bytenr, node->num_bytes, 1);  in run_one_delayed_ref()
1723 		btrfs_pin_extent(trans, node->bytenr, node->num_bytes, 1);  in run_one_delayed_ref()
1812 				   -head->num_bytes,  in btrfs_cleanup_ref_head_accounting()
1822 			delayed_refs->pending_csums -= head->num_bytes;  in btrfs_cleanup_ref_head_accounting()
1825 				head->num_bytes);  in btrfs_cleanup_ref_head_accounting()
1868 		btrfs_pin_extent(trans, head->bytenr, head->num_bytes, 1);  in cleanup_ref_head()
1871 					      head->bytenr, head->num_bytes);  in cleanup_ref_head()
2432 	u64 num_bytes;  in __btrfs_mod_ref()  local
2478 			num_bytes = btrfs_file_extent_disk_num_bytes(buf, fi);  in __btrfs_mod_ref()
2481 					       num_bytes, parent);  in __btrfs_mod_ref()
2494 			num_bytes = fs_info->nodesize;  in __btrfs_mod_ref()
2496 					       num_bytes, parent);  in __btrfs_mod_ref()
2579 			   u64 bytenr, u64 num_bytes, int reserved)  in pin_down_extent()  argument
2585 	cache->pinned += num_bytes;  in pin_down_extent()
2587 					     num_bytes);  in pin_down_extent()
2589 		cache->reserved -= num_bytes;  in pin_down_extent()
2590 		cache->space_info->bytes_reserved -= num_bytes;  in pin_down_extent()
2596 		    num_bytes, BTRFS_TOTAL_BYTES_PINNED_BATCH);  in pin_down_extent()
2598 			 bytenr + num_bytes - 1, GFP_NOFS | __GFP_NOFAIL);  in pin_down_extent()
2603 		     u64 bytenr, u64 num_bytes, int reserved)  in btrfs_pin_extent()  argument
2610 	pin_down_extent(trans, cache, bytenr, num_bytes, reserved);  in btrfs_pin_extent()
2620 				    u64 bytenr, u64 num_bytes)  in btrfs_pin_extent_for_log_replay()  argument
2625 	btrfs_add_excluded_extent(trans->fs_info, bytenr, num_bytes);  in btrfs_pin_extent_for_log_replay()
2639 	pin_down_extent(trans, cache, bytenr, num_bytes, 0);  in btrfs_pin_extent_for_log_replay()
2642 	ret = btrfs_remove_free_space(cache, bytenr, num_bytes);  in btrfs_pin_extent_for_log_replay()
2648 				   u64 start, u64 num_bytes)  in __exclude_logged_extent()  argument
2664 		ret = btrfs_remove_free_space(block_group, start, num_bytes);  in __exclude_logged_extent()
2670 							num_bytes);  in __exclude_logged_extent()
2671 		} else if (start + num_bytes <= caching_ctl->progress) {  in __exclude_logged_extent()
2673 						      start, num_bytes);  in __exclude_logged_extent()
2675 			num_bytes = caching_ctl->progress - start;  in __exclude_logged_extent()
2677 						      start, num_bytes);  in __exclude_logged_extent()
2681 			num_bytes = (start + num_bytes) -  in __exclude_logged_extent()
2685 							num_bytes);  in __exclude_logged_extent()
3035 	u64 num_bytes = node->num_bytes;  in __btrfs_free_extent()  local
3059 	ret = lookup_extent_backref(trans, path, &iref, bytenr, num_bytes,  in __btrfs_free_extent()
3077 			    key.offset == num_bytes) {  in __btrfs_free_extent()
3114 			key.offset = num_bytes;  in __btrfs_free_extent()
3133 				    key.offset == num_bytes)  in __btrfs_free_extent()
3141 				key.offset = num_bytes;  in __btrfs_free_extent()
3286 					      num_bytes);  in __btrfs_free_extent()
3293 		ret = add_to_free_space_tree(trans, bytenr, num_bytes);  in __btrfs_free_extent()
3299 		ret = btrfs_update_block_group(trans, bytenr, num_bytes, 0);  in __btrfs_free_extent()
3566 	u64 num_bytes;  member
3648 			ffe_ctl->num_bytes, cluster_bg->start,  in find_free_extent_clustered()
3654 				ffe_ctl->search_start, ffe_ctl->num_bytes);  in find_free_extent_clustered()
3695 			ffe_ctl->num_bytes, aligned_cluster);  in find_free_extent_clustered()
3699 				ffe_ctl->num_bytes, ffe_ctl->search_start,  in find_free_extent_clustered()
3706 					ffe_ctl->num_bytes);  in find_free_extent_clustered()
3715 		btrfs_wait_block_group_cache_progress(bg, ffe_ctl->num_bytes +  in find_free_extent_clustered()
3756 		    ffe_ctl->num_bytes + ffe_ctl->empty_cluster +  in find_free_extent_unclustered()
3768 			ffe_ctl->num_bytes, ffe_ctl->empty_size,  in find_free_extent_unclustered()
3782 		btrfs_wait_block_group_cache_progress(bg, ffe_ctl->num_bytes +  in find_free_extent_unclustered()
4000 		    ffe_ctl->num_bytes > space_info->max_extent_size) {  in prepare_allocation_clustered()
4073 				u64 ram_bytes, u64 num_bytes, u64 empty_size,  in find_free_extent()  argument
4085 	WARN_ON(num_bytes < fs_info->sectorsize);  in find_free_extent()
4087 	ffe_ctl.num_bytes = num_bytes;  in find_free_extent()
4109 	trace_find_free_extent(root, num_bytes, empty_size, flags);  in find_free_extent()
4245 		if (ffe_ctl.search_start + num_bytes >  in find_free_extent()
4248 					     num_bytes);  in find_free_extent()
4257 				num_bytes, delalloc);  in find_free_extent()
4260 					     num_bytes);  in find_free_extent()
4267 		ins->offset = num_bytes;  in find_free_extent()
4270 					   num_bytes);  in find_free_extent()
4346 			 u64 num_bytes, u64 min_alloc_size,  in btrfs_reserve_extent()  argument
4351 	bool final_tried = num_bytes == min_alloc_size;  in btrfs_reserve_extent()
4357 	WARN_ON(num_bytes < fs_info->sectorsize);  in btrfs_reserve_extent()
4358 	ret = find_free_extent(root, ram_bytes, num_bytes, empty_size,  in btrfs_reserve_extent()
4364 			num_bytes = min(num_bytes >> 1, ins->offset);  in btrfs_reserve_extent()
4365 			num_bytes = round_down(num_bytes,  in btrfs_reserve_extent()
4367 			num_bytes = max(num_bytes, min_alloc_size);  in btrfs_reserve_extent()
4368 			ram_bytes = num_bytes;  in btrfs_reserve_extent()
4369 			if (num_bytes == min_alloc_size)  in btrfs_reserve_extent()
4378 				  flags, num_bytes);  in btrfs_reserve_extent()
4381 						      num_bytes, 1);  in btrfs_reserve_extent()
4514 	u64 num_bytes;  in alloc_reserved_tree_block()  local
4524 		num_bytes = fs_info->nodesize;  in alloc_reserved_tree_block()
4526 		extent_key.offset = node->num_bytes;  in alloc_reserved_tree_block()
4529 		num_bytes = node->num_bytes;  in alloc_reserved_tree_block()
4576 					  num_bytes);  in alloc_reserved_tree_block()