int select_checker(struct config *conf, struct path *pp)
{
char *origin, *checker_name;
struct checker * c = &pp->checker;
do_set(checker_name, conf->overrides, checker_name, "(setting: multipath.conf overrides section)");
do_set(checker_name, pp->hwe, checker_name, "(setting: array configuration)");
do_set(checker_name, conf, checker_name, "(setting: multipath.conf defaults/devices section)");
do_default(checker_name, DEFAULT_CHECKER);
out:
checker_get(conf->multipath_dir, c, checker_name);
condlog(3, "%s: path_checker = %s %s", pp->dev, c->name, origin);
if (conf->checker_timeout) {
c->timeout = conf->checker_timeout;
condlog(3, "%s: checker timeout = %u s (setting: multipath.conf defaults/devices section)",
pp->dev, c->timeout);
}
else if (sysfs_get_timeout(pp, &c->timeout) > 0)
condlog(3, "%s: checker timeout = %u ms (setting: kernel sysfs)",
pp->dev, c->timeout);
else {
c->timeout = DEF_TIMEOUT;
condlog(3, "%s: checker timeout = %u ms (setting: multipath internal)",
pp->dev, c->timeout);
}
return 0;
}
extern int
select_checker(struct path *pp)
{
struct checker * c = &pp->checker;
if (pp->hwe && pp->hwe->checker_name) {
checker_get(c, pp->hwe->checker_name);
condlog(3, "%s: path checker = %s (controller setting)",
pp->dev, checker_name(c));
goto out;
}
if (conf->checker_name) {
checker_get(c, conf->checker_name);
condlog(3, "%s: path checker = %s (config file default)",
pp->dev, checker_name(c));
goto out;
}
checker_get(c, DEFAULT_CHECKER);
condlog(3, "%s: path checker = %s (internal default)",
pp->dev, checker_name(c));
out:
if (conf->checker_timeout) {
c->timeout = conf->checker_timeout * 1000;
condlog(3, "%s: checker timeout = %u ms (config file default)",
pp->dev, c->timeout);
}
else if (pp->udev && sysfs_get_timeout(pp, &c->timeout) == 0)
condlog(3, "%s: checker timeout = %u ms (sysfs setting)",
pp->dev, c->timeout);
else {
c->timeout = DEF_TIMEOUT;
condlog(3, "%s: checker timeout = %u ms (internal default)",
pp->dev, c->timeout);
}
return 0;
}
