60 	struct ext4_system_zone *new_entry = NULL, *entry;  in add_system_zone()  local
66 		entry = rb_entry(parent, struct ext4_system_zone, node);  in add_system_zone()
67 		if (start_blk < entry->start_blk)  in add_system_zone()
69 		else if (start_blk >= (entry->start_blk + entry->count))  in add_system_zone()
72 			if (start_blk + count > (entry->start_blk +  in add_system_zone()
73 						 entry->count))  in add_system_zone()
74 				entry->count = (start_blk + count -  in add_system_zone()
75 						entry->start_blk);  in add_system_zone()
99 		entry = rb_entry(node, struct ext4_system_zone, node);  in add_system_zone()
100 		if (can_merge(entry, new_entry)) {  in add_system_zone()
101 			new_entry->start_blk = entry->start_blk;  in add_system_zone()
102 			new_entry->count += entry->count;  in add_system_zone()
104 			kmem_cache_free(ext4_system_zone_cachep, entry);  in add_system_zone()
111 		entry = rb_entry(node, struct ext4_system_zone, node);  in add_system_zone()
112 		if (can_merge(new_entry, entry)) {  in add_system_zone()
113 			new_entry->count += entry->count;  in add_system_zone()
115 			kmem_cache_free(ext4_system_zone_cachep, entry);  in add_system_zone()
124 	struct ext4_system_zone *entry;  in debug_print_tree()  local
130 		entry = rb_entry(node, struct ext4_system_zone, node);  in debug_print_tree()
132 		       entry->start_blk, entry->start_blk + entry->count - 1);  in debug_print_tree()
182 	struct ext4_system_zone	*entry, *n;  in ext4_release_system_zone()  local
184 	rbtree_postorder_for_each_entry_safe(entry, n,  in ext4_release_system_zone()
186 		kmem_cache_free(ext4_system_zone_cachep, entry);  in ext4_release_system_zone()
199 	struct ext4_system_zone *entry;  in ext4_data_block_valid()  local
209 		entry = rb_entry(n, struct ext4_system_zone, node);  in ext4_data_block_valid()
210 		if (start_blk + count - 1 < entry->start_blk)  in ext4_data_block_valid()
212 		else if (start_blk >= (entry->start_blk + entry->count))  in ext4_data_block_valid()