struct ioengine_ops *load_ioengine(struct thread_data *td, char *name)
{
char engine[16], engine_lib[256];
- struct ioengine_ops *ops;
+ struct ioengine_ops *ops, *ret;
void *dlhandle;
strcpy(engine, name);
if (!strncmp(engine, "linuxaio", 8) || !strncmp(engine, "aio", 3))
strcpy(engine, "libaio");
- sprintf(engine_lib, "/usr/local/lib/fio/fio-engine-%s.o", engine);
+ sprintf(engine_lib, "%s/lib/fio/fio-engine-%s.o", fio_inst_prefix, engine);
dlerror();
dlhandle = dlopen(engine_lib, RTLD_LAZY);
if (!dlhandle) {
return NULL;
}
- ops->dlhandle = dlhandle;
- return ops;
+ if (ops->version != FIO_IOOPS_VERSION) {
+ log_err("bad ioops version %d (want %d)\n", ops->version, FIO_IOOPS_VERSION);
+ dlclose(dlhandle);
+ return NULL;
+ }
+
+ ret = malloc(sizeof(*ret));
+ memcpy(ret, ops, sizeof(*ret));
+ ret->data = NULL;
+ ret->dlhandle = dlhandle;
+
+ return ret;
}
void close_ioengine(struct thread_data *td)
td->io_ops->cleanup(td);
dlclose(td->io_ops->dlhandle);
+ free(td->io_ops);
+ td->io_ops = NULL;
}