linux-IllusionX/fs/ceph/metric.c

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/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/types.h>
#include <linux/percpu_counter.h>
#include "metric.h"
int ceph_metric_init(struct ceph_client_metric *m)
{
int ret;
if (!m)
return -EINVAL;
atomic64_set(&m->total_dentries, 0);
ret = percpu_counter_init(&m->d_lease_hit, 0, GFP_KERNEL);
if (ret)
return ret;
ret = percpu_counter_init(&m->d_lease_mis, 0, GFP_KERNEL);
if (ret) {
percpu_counter_destroy(&m->d_lease_hit);
return ret;
}
return 0;
}
void ceph_metric_destroy(struct ceph_client_metric *m)
{
if (!m)
return;
percpu_counter_destroy(&m->d_lease_mis);
percpu_counter_destroy(&m->d_lease_hit);
}