57 	struct ext4_system_zone	*entry, *n;  in release_system_zone()  local
59 	rbtree_postorder_for_each_entry_safe(entry, n,  in release_system_zone()
61 		kmem_cache_free(ext4_system_zone_cachep, entry);  in release_system_zone()
73 	struct ext4_system_zone *new_entry, *entry;  in add_system_zone()  local
79 		entry = rb_entry(parent, struct ext4_system_zone, node);  in add_system_zone()
80 		if (start_blk < entry->start_blk)  in add_system_zone()
82 		else if (start_blk >= (entry->start_blk + entry->count))  in add_system_zone()
103 		entry = rb_entry(node, struct ext4_system_zone, node);  in add_system_zone()
104 		if (can_merge(entry, new_entry)) {  in add_system_zone()
105 			new_entry->start_blk = entry->start_blk;  in add_system_zone()
106 			new_entry->count += entry->count;  in add_system_zone()
108 			kmem_cache_free(ext4_system_zone_cachep, entry);  in add_system_zone()
115 		entry = rb_entry(node, struct ext4_system_zone, node);  in add_system_zone()
116 		if (can_merge(new_entry, entry)) {  in add_system_zone()
117 			new_entry->count += entry->count;  in add_system_zone()
119 			kmem_cache_free(ext4_system_zone_cachep, entry);  in add_system_zone()
128 	struct ext4_system_zone *entry;  in debug_print_tree()  local
134 		entry = rb_entry(node, struct ext4_system_zone, node);  in debug_print_tree()
136 		       entry->start_blk, entry->start_blk + entry->count - 1);  in debug_print_tree()
153 	struct ext4_system_zone *entry;  in ext4_data_block_valid_rcu()  local
168 		entry = rb_entry(n, struct ext4_system_zone, node);  in ext4_data_block_valid_rcu()
169 		if (start_blk + count - 1 < entry->start_blk)  in ext4_data_block_valid_rcu()
171 		else if (start_blk >= (entry->start_blk + entry->count))  in ext4_data_block_valid_rcu()
174 			if (entry->ino == ino)  in ext4_data_block_valid_rcu()