struct cl_host *ch;
u32 cl_id;
time_t cl_connect_time;
+ int setup_done; /* ioctl BLKTRACESETUP done */
struct io_info *ios;
};
if (ioctl(dpp->fd, BLKTRACESETUP, &buts) >= 0) {
dpp->ncpus = max_cpus;
dpp->buts_name = strdup(buts.name);
+ dpp->setup_done = 1;
if (dpp->stats)
free(dpp->stats);
dpp->stats = calloc(dpp->ncpus, sizeof(*dpp->stats));
struct devpath *dpp = list_entry(p, struct devpath, head);
list_del(&dpp->head);
- __stop_trace(dpp->fd);
+ if (dpp->setup_done)
+ __stop_trace(dpp->fd);
close(dpp->fd);
if (dpp->heads)