/* 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> 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 */