struct cconn *io = io_array + i;
ret = cconn_prepare(io, fds + nfds);
if (ret < 0) {
- WARNING("ceph plugin: cconn_prepare(name=%s,i=%zu,st=%d)=%d",
+ WARNING("ceph plugin: cconn_prepare(name=%s,i=%" PRIsz ",st=%d)=%d",
io->d->name, i, io->state, ret);
cconn_close(io);
io->request_type = ASOK_REQ_NONE;