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dfe52c0419
Clean up:
fs/nfs/iostat.h: In function ‘nfs_add_server_stats’:
fs/nfs/iostat.h:41: warning: comparison between signed and unsigned integer expressions
fs/nfs/iostat.h:41: warning: comparison between signed and unsigned integer expressions
fs/nfs/iostat.h:41: warning: comparison between signed and unsigned integer expressions
fs/nfs/iostat.h:41: warning: comparison between signed and unsigned integer expressions
Commit fce22848 replaced the open-coded per-cpu logic in several
functions in fs/nfs/iostat.h with a single invocation of
this_cpu_ptr(). This macro assumes its second argument is signed,
not unsigned.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* linux/fs/nfs/iostat.h
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*
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* Declarations for NFS client per-mount statistics
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*
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* Copyright (C) 2005, 2006 Chuck Lever <cel@netapp.com>
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*
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*/
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#ifndef _NFS_IOSTAT
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#define _NFS_IOSTAT
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#include <linux/percpu.h>
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#include <linux/cache.h>
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#include <linux/nfs_iostat.h>
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struct nfs_iostats {
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unsigned long long bytes[__NFSIOS_BYTESMAX];
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#ifdef CONFIG_NFS_FSCACHE
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unsigned long long fscache[__NFSIOS_FSCACHEMAX];
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#endif
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unsigned long events[__NFSIOS_COUNTSMAX];
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} ____cacheline_aligned;
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static inline void nfs_inc_server_stats(const struct nfs_server *server,
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enum nfs_stat_eventcounters stat)
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{
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this_cpu_inc(server->io_stats->events[stat]);
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}
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static inline void nfs_inc_stats(const struct inode *inode,
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enum nfs_stat_eventcounters stat)
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{
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nfs_inc_server_stats(NFS_SERVER(inode), stat);
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}
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static inline void nfs_add_server_stats(const struct nfs_server *server,
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enum nfs_stat_bytecounters stat,
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long addend)
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{
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this_cpu_add(server->io_stats->bytes[stat], addend);
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}
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static inline void nfs_add_stats(const struct inode *inode,
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enum nfs_stat_bytecounters stat,
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long addend)
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{
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nfs_add_server_stats(NFS_SERVER(inode), stat, addend);
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}
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#ifdef CONFIG_NFS_FSCACHE
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static inline void nfs_add_fscache_stats(struct inode *inode,
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enum nfs_stat_fscachecounters stat,
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long addend)
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{
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this_cpu_add(NFS_SERVER(inode)->io_stats->fscache[stat], addend);
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}
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#endif
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static inline struct nfs_iostats __percpu *nfs_alloc_iostats(void)
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{
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return alloc_percpu(struct nfs_iostats);
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}
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static inline void nfs_free_iostats(struct nfs_iostats __percpu *stats)
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{
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if (stats != NULL)
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free_percpu(stats);
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}
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#endif /* _NFS_IOSTAT */
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