97 	int64_t delta;  in compute_io_bucket_stats()  local
99 	delta = io_curr->read_bytes + io_dead->read_bytes -  in compute_io_bucket_stats()
101 	io_bucket->read_bytes += delta > 0 ? delta : 0;  in compute_io_bucket_stats()
102 	delta = io_curr->write_bytes + io_dead->write_bytes -  in compute_io_bucket_stats()
104 	io_bucket->write_bytes += delta > 0 ? delta : 0;  in compute_io_bucket_stats()
105 	delta = io_curr->rchar + io_dead->rchar - io_last->rchar;  in compute_io_bucket_stats()
106 	io_bucket->rchar += delta > 0 ? delta : 0;  in compute_io_bucket_stats()
107 	delta = io_curr->wchar + io_dead->wchar - io_last->wchar;  in compute_io_bucket_stats()
108 	io_bucket->wchar += delta > 0 ? delta : 0;  in compute_io_bucket_stats()
109 	delta = io_curr->fsync + io_dead->fsync - io_last->fsync;  in compute_io_bucket_stats()
110 	io_bucket->fsync += delta > 0 ? delta : 0;  in compute_io_bucket_stats()