extern int
select_retain_hwhandler (struct multipath * mp)
{
unsigned int minv_dm_retain[3] = {1, 5, 0};
if (!VERSION_GE(conf->version, minv_dm_retain)) {
mp->retain_hwhandler = RETAIN_HWHANDLER_OFF;
condlog(3, "%s: retain_attached_hw_hander disabled (requires kernel version >= 1.5.0)", mp->alias);
return 0;
}
if (mp->hwe && mp->hwe->retain_hwhandler) {
mp->retain_hwhandler = mp->hwe->retain_hwhandler;
condlog(3, "%s: retain_attached_hw_handler = %d (controller default)", mp->alias, mp->retain_hwhandler);
return 0;
}
if (conf->retain_hwhandler) {
mp->retain_hwhandler = conf->retain_hwhandler;
condlog(3, "%s: retain_attached_hw_handler = %d (config file default)", mp->alias, mp->retain_hwhandler);
return 0;
}
mp->retain_hwhandler = 0;
condlog(3, "%s: retain_attached_hw_handler = %d (compiled in default)", mp->alias, mp->retain_hwhandler);
return 0;
}
int select_minio(struct config *conf, struct multipath *mp)
{
unsigned int minv_dmrq[3] = {1, 1, 0};
if (VERSION_GE(conf->version, minv_dmrq))
return select_minio_rq(conf, mp);
else
return select_minio_bio(conf, mp);
}
int select_retain_hwhandler(struct config *conf, struct multipath *mp)
{
char *origin;
unsigned int minv_dm_retain[3] = {1, 5, 0};
if (!VERSION_GE(conf->version, minv_dm_retain)) {
mp->retain_hwhandler = RETAIN_HWHANDLER_OFF;
origin = "(requires kernel version >= 1.5.0)";
goto out;
}
mp_set_ovr(retain_hwhandler);
mp_set_hwe(retain_hwhandler);
mp_set_conf(retain_hwhandler);
mp_set_default(retain_hwhandler, DEFAULT_RETAIN_HWHANDLER);
out:
condlog(3, "%s: retain_attached_hw_handler = %s %s", mp->alias,
(mp->retain_hwhandler == RETAIN_HWHANDLER_ON)? "yes" : "no",
origin);
return 0;
}