linux/fs/ceph/metric.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FS_CEPH_MDS_METRIC_H
#define _FS_CEPH_MDS_METRIC_H

#include <linux/types.h>
#include <linux/percpu_counter.h>

/* This is the global metrics */
struct ceph_client_metric {
	atomic64_t            total_dentries;
	struct percpu_counter d_lease_hit;
	struct percpu_counter d_lease_mis;

	struct percpu_counter i_caps_hit;
	struct percpu_counter i_caps_mis;
};

extern int ceph_metric_init(struct ceph_client_metric *m);
extern void ceph_metric_destroy(struct ceph_client_metric *m);

static inline void ceph_update_cap_hit(struct ceph_client_metric *m)
{
	percpu_counter_inc(&m->i_caps_hit);
}

static inline void ceph_update_cap_mis(struct ceph_client_metric *m)
{
	percpu_counter_inc(&m->i_caps_mis);
}
#endif /* _FS_CEPH_MDS_METRIC_H */