Date: Thu, 31 Mar 2016 17:32:28 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r297465 - head/sys/kern Message-ID: <201603311732.u2VHWSQg079173@repo.freebsd.org>
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Author: trasz Date: Thu Mar 31 17:32:28 2016 New Revision: 297465 URL: https://svnweb.freebsd.org/changeset/base/297465 Log: Refactor; no functional changes. MFC after: 1 month Sponsored by: The FreeBSD Foundation Modified: head/sys/kern/kern_rctl.c Modified: head/sys/kern/kern_rctl.c ============================================================================== --- head/sys/kern/kern_rctl.c Thu Mar 31 17:27:30 2016 (r297464) +++ head/sys/kern/kern_rctl.c Thu Mar 31 17:32:28 2016 (r297465) @@ -219,43 +219,43 @@ rctl_resource_name(int resource) panic("rctl_resource_name: unknown resource %d", resource); } -/* - * Return the amount of resource that can be allocated by 'p' before - * hitting 'rule'. - */ -static int64_t -rctl_available_resource(const struct proc *p, const struct rctl_rule *rule) +static struct racct * +rctl_proc_rule_to_racct(const struct proc *p, const struct rctl_rule *rule) { - int resource; - int64_t available = INT64_MAX; struct ucred *cred = p->p_ucred; ASSERT_RACCT_ENABLED(); rw_assert(&rctl_lock, RA_LOCKED); - resource = rule->rr_resource; switch (rule->rr_per) { case RCTL_SUBJECT_TYPE_PROCESS: - available = rule->rr_amount - - p->p_racct->r_resources[resource]; - break; + return (p->p_racct); case RCTL_SUBJECT_TYPE_USER: - available = rule->rr_amount - - cred->cr_ruidinfo->ui_racct->r_resources[resource]; - break; + return (cred->cr_ruidinfo->ui_racct); case RCTL_SUBJECT_TYPE_LOGINCLASS: - available = rule->rr_amount - - cred->cr_loginclass->lc_racct->r_resources[resource]; - break; + return (cred->cr_loginclass->lc_racct); case RCTL_SUBJECT_TYPE_JAIL: - available = rule->rr_amount - - cred->cr_prison->pr_prison_racct->prr_racct-> - r_resources[resource]; - break; + return (cred->cr_prison->pr_prison_racct->prr_racct); default: - panic("rctl_compute_available: unknown per %d", - rule->rr_per); + panic("%s: unknown per %d", __func__, rule->rr_per); } +} + +/* + * Return the amount of resource that can be allocated by 'p' before + * hitting 'rule'. + */ +static int64_t +rctl_available_resource(const struct proc *p, const struct rctl_rule *rule) +{ + int64_t available; + const struct racct *racct; + + ASSERT_RACCT_ENABLED(); + rw_assert(&rctl_lock, RA_LOCKED); + + racct = rctl_proc_rule_to_racct(p, rule); + available = rule->rr_amount - racct->r_resources[rule->rr_resource]; return (available); }
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