1 /* SPDX-License-Identifier: GPL-2.0 */
3 * linux/fs/nfs/iostat.h
5 * Declarations for NFS client per-mount statistics
7 * Copyright (C) 2005, 2006 Chuck Lever <cel@netapp.com>
14 #include <linux/percpu.h>
15 #include <linux/cache.h>
16 #include <linux/nfs_iostat.h>
19 unsigned long long bytes[__NFSIOS_BYTESMAX];
20 unsigned long events[__NFSIOS_COUNTSMAX];
21 } ____cacheline_aligned;
23 static inline void nfs_inc_server_stats(const struct nfs_server *server,
24 enum nfs_stat_eventcounters stat)
26 this_cpu_inc(server->io_stats->events[stat]);
29 static inline void nfs_inc_stats(const struct inode *inode,
30 enum nfs_stat_eventcounters stat)
32 nfs_inc_server_stats(NFS_SERVER(inode), stat);
35 static inline void nfs_add_server_stats(const struct nfs_server *server,
36 enum nfs_stat_bytecounters stat,
39 this_cpu_add(server->io_stats->bytes[stat], addend);
42 static inline void nfs_add_stats(const struct inode *inode,
43 enum nfs_stat_bytecounters stat,
46 nfs_add_server_stats(NFS_SERVER(inode), stat, addend);
49 static inline struct nfs_iostats __percpu *nfs_alloc_iostats(void)
51 return alloc_percpu(struct nfs_iostats);
54 static inline void nfs_free_iostats(struct nfs_iostats __percpu *stats)
60 #endif /* _NFS_IOSTAT */