3191 	int push_items = 0;  in push_node_left()  local
3198 	push_items = BTRFS_NODEPTRS_PER_BLOCK(root) - dst_nritems;  in push_node_left()
3205 	if (push_items <= 0)  in push_node_left()
3209 		push_items = min(src_nritems, push_items);  in push_node_left()
3210 		if (push_items < src_nritems) {  in push_node_left()
3214 			if (src_nritems - push_items < 8) {  in push_node_left()
3215 				if (push_items <= 8)  in push_node_left()
3217 				push_items -= 8;  in push_node_left()
3221 		push_items = min(src_nritems - 8, push_items);  in push_node_left()
3224 				   push_items);  in push_node_left()
3232 			   push_items * sizeof(struct btrfs_key_ptr));  in push_node_left()
3234 	if (push_items < src_nritems) {  in push_node_left()
3240 				      btrfs_node_key_ptr_offset(push_items),  in push_node_left()
3241 				      (src_nritems - push_items) *  in push_node_left()
3244 	btrfs_set_header_nritems(src, src_nritems - push_items);  in push_node_left()
3245 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in push_node_left()
3266 	int push_items = 0;  in balance_node_right()  local
3277 	push_items = BTRFS_NODEPTRS_PER_BLOCK(root) - dst_nritems;  in balance_node_right()
3278 	if (push_items <= 0)  in balance_node_right()
3289 	if (max_push < push_items)  in balance_node_right()
3290 		push_items = max_push;  in balance_node_right()
3292 	tree_mod_log_eb_move(root->fs_info, dst, push_items, 0, dst_nritems);  in balance_node_right()
3293 	memmove_extent_buffer(dst, btrfs_node_key_ptr_offset(push_items),  in balance_node_right()
3299 				   src_nritems - push_items, push_items);  in balance_node_right()
3306 			   btrfs_node_key_ptr_offset(src_nritems - push_items),  in balance_node_right()
3307 			   push_items * sizeof(struct btrfs_key_ptr));  in balance_node_right()
3309 	btrfs_set_header_nritems(src, src_nritems - push_items);  in balance_node_right()
3310 	btrfs_set_header_nritems(dst, dst_nritems + push_items);  in balance_node_right()
3601 	int push_items = 0;  in __push_leaf_right()  local
3623 		if (!empty && push_items > 0) {  in __push_leaf_right()
3640 		push_items++;  in __push_leaf_right()
3647 	if (push_items == 0)  in __push_leaf_right()
3650 	WARN_ON(!empty && push_items == left_nritems);  in __push_leaf_right()
3655 	push_space = btrfs_item_end_nr(left, left_nritems - push_items);  in __push_leaf_right()
3671 	memmove_extent_buffer(right, btrfs_item_nr_offset(push_items),  in __push_leaf_right()
3677 		   btrfs_item_nr_offset(left_nritems - push_items),  in __push_leaf_right()
3678 		   push_items * sizeof(struct btrfs_item));  in __push_leaf_right()
3681 	right_nritems += push_items;  in __push_leaf_right()
3690 	left_nritems -= push_items;  in __push_leaf_right()
3823 	int push_items = 0;  in __push_leaf_left()  local
3842 		if (!empty && push_items > 0) {  in __push_leaf_left()
3859 		push_items++;  in __push_leaf_left()
3863 	if (push_items == 0) {  in __push_leaf_left()
3867 	WARN_ON(!empty && push_items == btrfs_header_nritems(right));  in __push_leaf_left()
3873 			   push_items * sizeof(struct btrfs_item));  in __push_leaf_left()
3876 		     btrfs_item_offset_nr(right, push_items - 1);  in __push_leaf_left()
3881 		     btrfs_item_offset_nr(right, push_items - 1),  in __push_leaf_left()
3887 	for (i = old_left_nritems; i < old_left_nritems + push_items; i++) {  in __push_leaf_left()
3897 	btrfs_set_header_nritems(left, old_left_nritems + push_items);  in __push_leaf_left()
3900 	if (push_items > right_nritems)  in __push_leaf_left()
3901 		WARN(1, KERN_CRIT "push items %d nr %u\n", push_items,  in __push_leaf_left()
3904 	if (push_items < right_nritems) {  in __push_leaf_left()
3905 		push_space = btrfs_item_offset_nr(right, push_items - 1) -  in __push_leaf_left()
3913 			      btrfs_item_nr_offset(push_items),  in __push_leaf_left()
3914 			     (btrfs_header_nritems(right) - push_items) *  in __push_leaf_left()
3917 	right_nritems -= push_items;  in __push_leaf_left()
3938 	if (path->slots[0] < push_items) {  in __push_leaf_left()
3947 		path->slots[0] -= push_items;  in __push_leaf_left()