linux/fs/nfsd/stats.h
Josef Bacik 16fb9808ab nfsd: make svc_stat per-network namespace instead of global
The final bit of stats that is global is the rpc svc_stat.  Move this
into the nfsd_net struct and use that everywhere instead of the global
struct.  Remove the unused global struct.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2024-03-01 09:12:11 -05:00

82 lines
2.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Statistics for NFS server.
*
* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
*/
#ifndef _NFSD_STATS_H
#define _NFSD_STATS_H
#include <uapi/linux/nfsd/stats.h>
#include <linux/percpu_counter.h>
int nfsd_percpu_counters_init(struct percpu_counter *counters, int num);
void nfsd_percpu_counters_reset(struct percpu_counter *counters, int num);
void nfsd_percpu_counters_destroy(struct percpu_counter *counters, int num);
int nfsd_stat_counters_init(struct nfsd_net *nn);
void nfsd_stat_counters_destroy(struct nfsd_net *nn);
void nfsd_proc_stat_init(struct net *net);
void nfsd_proc_stat_shutdown(struct net *net);
static inline void nfsd_stats_rc_hits_inc(struct nfsd_net *nn)
{
percpu_counter_inc(&nn->counter[NFSD_STATS_RC_HITS]);
}
static inline void nfsd_stats_rc_misses_inc(struct nfsd_net *nn)
{
percpu_counter_inc(&nn->counter[NFSD_STATS_RC_MISSES]);
}
static inline void nfsd_stats_rc_nocache_inc(struct nfsd_net *nn)
{
percpu_counter_inc(&nn->counter[NFSD_STATS_RC_NOCACHE]);
}
static inline void nfsd_stats_fh_stale_inc(struct nfsd_net *nn,
struct svc_export *exp)
{
percpu_counter_inc(&nn->counter[NFSD_STATS_FH_STALE]);
if (exp && exp->ex_stats)
percpu_counter_inc(&exp->ex_stats->counter[EXP_STATS_FH_STALE]);
}
static inline void nfsd_stats_io_read_add(struct nfsd_net *nn,
struct svc_export *exp, s64 amount)
{
percpu_counter_add(&nn->counter[NFSD_STATS_IO_READ], amount);
if (exp && exp->ex_stats)
percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_READ], amount);
}
static inline void nfsd_stats_io_write_add(struct nfsd_net *nn,
struct svc_export *exp, s64 amount)
{
percpu_counter_add(&nn->counter[NFSD_STATS_IO_WRITE], amount);
if (exp && exp->ex_stats)
percpu_counter_add(&exp->ex_stats->counter[EXP_STATS_IO_WRITE], amount);
}
static inline void nfsd_stats_payload_misses_inc(struct nfsd_net *nn)
{
percpu_counter_inc(&nn->counter[NFSD_STATS_PAYLOAD_MISSES]);
}
static inline void nfsd_stats_drc_mem_usage_add(struct nfsd_net *nn, s64 amount)
{
percpu_counter_add(&nn->counter[NFSD_STATS_DRC_MEM_USAGE], amount);
}
static inline void nfsd_stats_drc_mem_usage_sub(struct nfsd_net *nn, s64 amount)
{
percpu_counter_sub(&nn->counter[NFSD_STATS_DRC_MEM_USAGE], amount);
}
#ifdef CONFIG_NFSD_V4
static inline void nfsd_stats_wdeleg_getattr_inc(struct nfsd_net *nn)
{
percpu_counter_inc(&nn->counter[NFSD_STATS_WDELEG_GETATTR]);
}
#endif
#endif /* _NFSD_STATS_H */