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Refactor; no functional changes.

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MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
trasz 2016-03-31 17:32:28 +00:00
parent df609e0cf4
commit fe839a29fe
1 changed files with 26 additions and 26 deletions
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52
sys/kern/kern_rctl.c
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@ -219,6 +219,28 @@ rctl_resource_name(int resource)
panic("rctl_resource_name: unknown resource %d", resource);
}
static struct racct *
rctl_proc_rule_to_racct(const struct proc *p, const struct rctl_rule *rule)
{
struct ucred *cred = p->p_ucred;
ASSERT_RACCT_ENABLED();
rw_assert(&rctl_lock, RA_LOCKED);
switch (rule->rr_per) {
case RCTL_SUBJECT_TYPE_PROCESS:
return (p->p_racct);
case RCTL_SUBJECT_TYPE_USER:
return (cred->cr_ruidinfo->ui_racct);
case RCTL_SUBJECT_TYPE_LOGINCLASS:
return (cred->cr_loginclass->lc_racct);
case RCTL_SUBJECT_TYPE_JAIL:
return (cred->cr_prison->pr_prison_racct->prr_racct);
default:
panic("%s: unknown per %d", __func__, rule->rr_per);
}
}
/*
* Return the amount of resource that can be allocated by 'p' before
* hitting 'rule'.
@ -226,36 +248,14 @@ rctl_resource_name(int resource)
static int64_t
rctl_available_resource(const struct proc *p, const struct rctl_rule *rule)
{
int resource;
int64_t available = INT64_MAX;
struct ucred *cred = p->p_ucred;
int64_t available;
const struct racct *racct;
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;
case RCTL_SUBJECT_TYPE_USER:
available = rule->rr_amount -
cred->cr_ruidinfo->ui_racct->r_resources[resource];
break;
case RCTL_SUBJECT_TYPE_LOGINCLASS:
available = rule->rr_amount -
cred->cr_loginclass->lc_racct->r_resources[resource];
break;
case RCTL_SUBJECT_TYPE_JAIL:
available = rule->rr_amount -
cred->cr_prison->pr_prison_racct->prr_racct->
r_resources[resource];
break;
default:
panic("rctl_compute_available: unknown per %d",
rule->rr_per);
}
racct = rctl_proc_rule_to_racct(p, rule);
available = rule->rr_amount - racct->r_resources[rule->rr_resource];
return (available);
}