61 строка
1.4 KiB
C
61 строка
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* linux/fs/nfs/iostat.h
|
|
*
|
|
* Declarations for NFS client per-mount statistics
|
|
*
|
|
* Copyright (C) 2005, 2006 Chuck Lever <cel@netapp.com>
|
|
*
|
|
*/
|
|
|
|
#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];
|
|
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);
|
|
}
|
|
|
|
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 */
|