106 static int  devfs_rule_autonumber(struct devfs_ruleset *ds, devfs_rnum *rnp);
119 static void devfs_ruleset_applyde(struct devfs_ruleset *ds,
122 static void devfs_ruleset_applydm(struct devfs_ruleset *ds,
143 	struct devfs_ruleset *ds;  in devfs_rules_apply()  local
150 	ds = devfs_ruleset_bynum(dm->dm_ruleset);  in devfs_rules_apply()
151 	KASSERT(ds != NULL, ("mount-point has NULL ruleset"));  in devfs_rules_apply()
152 	devfs_ruleset_applyde(ds, dm, de, devfs_rule_depth);  in devfs_rules_apply()
162 	struct devfs_ruleset *ds;  in devfs_rules_ioctl()  local
249 		ds = dk->dk_ruleset;  in devfs_rules_ioctl()
265 		ds = devfs_ruleset_bynum(rid2rsn(dr->dr_id));  in devfs_rules_ioctl()
266 		if (ds == NULL) {  in devfs_rules_ioctl()
271 		TAILQ_FOREACH(dk, &ds->ds_rules, dk_list) {  in devfs_rules_ioctl()
288 		ds = devfs_ruleset_bynum(rsnum);  in devfs_rules_ioctl()
289 		if (ds == NULL) {  in devfs_rules_ioctl()
293 		devfs_ruleset_applydm(ds, dm);  in devfs_rules_ioctl()
297 		TAILQ_FOREACH(ds, &devfs_rulesets, ds_list) {  in devfs_rules_ioctl()
298 			if (ds->ds_number > rsnum)  in devfs_rules_ioctl()
301 		if (ds == NULL) {  in devfs_rules_ioctl()
305 		*(devfs_rsnum *)data = ds->ds_number;  in devfs_rules_ioctl()
368 devfs_rule_autonumber(struct devfs_ruleset *ds, devfs_rnum *rnump)  in devfs_rule_autonumber()  argument
373 	dk = TAILQ_LAST(&ds->ds_rules, rulehead);  in devfs_rule_autonumber()
382 	KASSERT(devfs_rule_byid(mkrid(ds->ds_number, *rnump)) == NULL,  in devfs_rule_autonumber()
393 	struct devfs_ruleset *ds;  in devfs_rule_byid()  local
398 	ds = devfs_ruleset_bynum(rid2rsn(rid));  in devfs_rule_byid()
399 	if (ds == NULL)  in devfs_rule_byid()
401 	TAILQ_FOREACH(dk, &ds->ds_rules, dk_list) {  in devfs_rule_byid()
417 	struct devfs_ruleset *ds;  in devfs_rule_delete()  local
420 		ds = devfs_ruleset_bynum(dk->dk_rule.dr_incset);  in devfs_rule_delete()
421 		KASSERT(ds != NULL, ("DRA_INCSET but bad dr_incset"));  in devfs_rule_delete()
422 		--ds->ds_refcount;  in devfs_rule_delete()
423 		devfs_ruleset_reap(ds);  in devfs_rule_delete()
425 	ds = dk->dk_ruleset;  in devfs_rule_delete()
426 	TAILQ_REMOVE(&ds->ds_rules, dk, dk_list);  in devfs_rule_delete()
427 	devfs_ruleset_reap(ds);  in devfs_rule_delete()
474 	struct devfs_ruleset *ds, *dsi;  in devfs_rule_insert()  local
496 	ds = devfs_ruleset_bynum(rsnum);  in devfs_rule_insert()
497 	if (ds == NULL)  in devfs_rule_insert()
498 		ds = devfs_ruleset_create(rsnum);  in devfs_rule_insert()
501 		error = devfs_rule_autonumber(ds, &dkrn);  in devfs_rule_insert()
503 			devfs_ruleset_reap(ds);  in devfs_rule_insert()
509 	dk->dk_ruleset = ds;  in devfs_rule_insert()
516 	TAILQ_FOREACH(k1, &ds->ds_rules, dk_list) {  in devfs_rule_insert()
523 		TAILQ_INSERT_TAIL(&ds->ds_rules, dk, dk_list);  in devfs_rule_insert()
610 	struct devfs_ruleset *ds;  in devfs_rule_run()  local
637 			ds = devfs_ruleset_bynum(dk->dk_rule.dr_incset);  in devfs_rule_run()
638 			KASSERT(ds != NULL, ("DRA_INCSET but bad dr_incset"));  in devfs_rule_run()
639 			devfs_ruleset_applyde(ds, dm, de, depth - 1);  in devfs_rule_run()
648 devfs_ruleset_applyde(struct devfs_ruleset *ds, struct devfs_mount *dm,  in devfs_ruleset_applyde()  argument
653 	TAILQ_FOREACH(dk, &ds->ds_rules, dk_list)  in devfs_ruleset_applyde()
661 devfs_ruleset_applydm(struct devfs_ruleset *ds, struct devfs_mount *dm)  in devfs_ruleset_applydm()  argument
681 	TAILQ_FOREACH(dk, &ds->ds_rules, dk_list)  in devfs_ruleset_applydm()
691 	struct devfs_ruleset *ds;  in devfs_ruleset_bynum()  local
693 	TAILQ_FOREACH(ds, &devfs_rulesets, ds_list) {  in devfs_ruleset_bynum()
694 		if (ds->ds_number == rsnum)  in devfs_ruleset_bynum()
695 			return (ds);  in devfs_ruleset_bynum()
707 	struct devfs_ruleset *ds;  in devfs_ruleset_create()  local
714 	ds = malloc(sizeof(*ds), M_DEVFSRULE, M_WAITOK | M_ZERO);  in devfs_ruleset_create()
715 	ds->ds_number = rsnum;  in devfs_ruleset_create()
716 	TAILQ_INIT(&ds->ds_rules);  in devfs_ruleset_create()
720 			TAILQ_INSERT_BEFORE(s1, ds, ds_list);  in devfs_ruleset_create()
725 		TAILQ_INSERT_TAIL(&devfs_rulesets, ds, ds_list);  in devfs_ruleset_create()
726 	return (ds);  in devfs_ruleset_create()
735 devfs_ruleset_reap(struct devfs_ruleset *ds)  in devfs_ruleset_reap()  argument
738 	KASSERT(ds->ds_number != 0, ("reaping ruleset zero "));  in devfs_ruleset_reap()
740 	if (!TAILQ_EMPTY(&ds->ds_rules) || ds->ds_refcount != 0)   in devfs_ruleset_reap()
743 	TAILQ_REMOVE(&devfs_rulesets, ds, ds_list);  in devfs_ruleset_reap()
744 	free(ds, M_DEVFSRULE);  in devfs_ruleset_reap()
753 	struct devfs_ruleset *cds, *ds;  in devfs_ruleset_use()  local
766 	ds = devfs_ruleset_bynum(rsnum);  in devfs_ruleset_use()
767 	if (ds == NULL)  in devfs_ruleset_use()
768 		ds = devfs_ruleset_create(rsnum);  in devfs_ruleset_use()
770 	++ds->ds_refcount;  in devfs_ruleset_use()
779 	struct devfs_ruleset *ds;  in devfs_rules_cleanup()  local
783 		ds = devfs_ruleset_bynum(dm->dm_ruleset);  in devfs_rules_cleanup()
784 		--ds->ds_refcount;  in devfs_rules_cleanup()
785 		devfs_ruleset_reap(ds);  in devfs_rules_cleanup()
809 	struct devfs_ruleset *ds;  in devfs_ruleset_apply()  local
818 	ds = devfs_ruleset_bynum(dm->dm_ruleset);  in devfs_ruleset_apply()
819 	if (ds != NULL)  in devfs_ruleset_apply()
820 		devfs_ruleset_applydm(ds, dm);  in devfs_ruleset_apply()