Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  linux/fs/nfs/iostat.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Declarations for NFS client per-mount statistics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *  Copyright (C) 2005, 2006 Chuck Lever <cel@netapp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifndef _NFS_IOSTAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define _NFS_IOSTAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/percpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/cache.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/nfs_iostat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct nfs_iostats {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	unsigned long long	bytes[__NFSIOS_BYTESMAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #ifdef CONFIG_NFS_FSCACHE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	unsigned long long	fscache[__NFSIOS_FSCACHEMAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	unsigned long		events[__NFSIOS_COUNTSMAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) } ____cacheline_aligned;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static inline void nfs_inc_server_stats(const struct nfs_server *server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 					enum nfs_stat_eventcounters stat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	this_cpu_inc(server->io_stats->events[stat]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static inline void nfs_inc_stats(const struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 				 enum nfs_stat_eventcounters stat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	nfs_inc_server_stats(NFS_SERVER(inode), stat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static inline void nfs_add_server_stats(const struct nfs_server *server,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 					enum nfs_stat_bytecounters stat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 					long addend)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	this_cpu_add(server->io_stats->bytes[stat], addend);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static inline void nfs_add_stats(const struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 				 enum nfs_stat_bytecounters stat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 				 long addend)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	nfs_add_server_stats(NFS_SERVER(inode), stat, addend);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #ifdef CONFIG_NFS_FSCACHE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static inline void nfs_add_fscache_stats(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 					 enum nfs_stat_fscachecounters stat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 					 long addend)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	this_cpu_add(NFS_SERVER(inode)->io_stats->fscache[stat], addend);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static inline void nfs_inc_fscache_stats(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 					 enum nfs_stat_fscachecounters stat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	this_cpu_inc(NFS_SERVER(inode)->io_stats->fscache[stat]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static inline struct nfs_iostats __percpu *nfs_alloc_iostats(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	return alloc_percpu(struct nfs_iostats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static inline void nfs_free_iostats(struct nfs_iostats __percpu *stats)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	if (stats != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 		free_percpu(stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #endif /* _NFS_IOSTAT */