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