forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.8 KiB
77 lines
1.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* linux/fs/nfs/iostat.h |
|
* |
|
* Declarations for NFS client per-mount statistics |
|
* |
|
* Copyright (C) 2005, 2006 Chuck Lever <[email protected]> |
|
* |
|
*/ |
|
|
|
#ifndef _NFS_IOSTAT |
|
#define _NFS_IOSTAT |
|
|
|
#include <linux/percpu.h> |
|
#include <linux/cache.h> |
|
#include <linux/nfs_iostat.h> |
|
|
|
struct nfs_iostats { |
|
unsigned long long bytes[__NFSIOS_BYTESMAX]; |
|
#ifdef CONFIG_NFS_FSCACHE |
|
unsigned long long fscache[__NFSIOS_FSCACHEMAX]; |
|
#endif |
|
unsigned long events[__NFSIOS_COUNTSMAX]; |
|
} ____cacheline_aligned; |
|
|
|
static inline void nfs_inc_server_stats(const struct nfs_server *server, |
|
enum nfs_stat_eventcounters stat) |
|
{ |
|
this_cpu_inc(server->io_stats->events[stat]); |
|
} |
|
|
|
static inline void nfs_inc_stats(const struct inode *inode, |
|
enum nfs_stat_eventcounters stat) |
|
{ |
|
nfs_inc_server_stats(NFS_SERVER(inode), stat); |
|
} |
|
|
|
static inline void nfs_add_server_stats(const struct nfs_server *server, |
|
enum nfs_stat_bytecounters stat, |
|
long addend) |
|
{ |
|
this_cpu_add(server->io_stats->bytes[stat], addend); |
|
} |
|
|
|
static inline void nfs_add_stats(const struct inode *inode, |
|
enum nfs_stat_bytecounters stat, |
|
long addend) |
|
{ |
|
nfs_add_server_stats(NFS_SERVER(inode), stat, addend); |
|
} |
|
|
|
#ifdef CONFIG_NFS_FSCACHE |
|
static inline void nfs_add_fscache_stats(struct inode *inode, |
|
enum nfs_stat_fscachecounters stat, |
|
long addend) |
|
{ |
|
this_cpu_add(NFS_SERVER(inode)->io_stats->fscache[stat], addend); |
|
} |
|
static inline void nfs_inc_fscache_stats(struct inode *inode, |
|
enum nfs_stat_fscachecounters stat) |
|
{ |
|
this_cpu_inc(NFS_SERVER(inode)->io_stats->fscache[stat]); |
|
} |
|
#endif |
|
|
|
static inline struct nfs_iostats __percpu *nfs_alloc_iostats(void) |
|
{ |
|
return alloc_percpu(struct nfs_iostats); |
|
} |
|
|
|
static inline void nfs_free_iostats(struct nfs_iostats __percpu *stats) |
|
{ |
|
if (stats != NULL) |
|
free_percpu(stats); |
|
} |
|
|
|
#endif /* _NFS_IOSTAT */
|
|
|