Merge tag 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux...
[deliverable/linux.git] / include / linux / sunrpc / debug.h
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CommitLineData
1/*
2 * linux/include/linux/sunrpc/debug.h
3 *
4 * Debugging support for sunrpc module
5 *
6 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
7 */
8#ifndef _LINUX_SUNRPC_DEBUG_H_
9#define _LINUX_SUNRPC_DEBUG_H_
10
11#include <uapi/linux/sunrpc/debug.h>
12
13/*
14 * Debugging macros etc
15 */
16#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
17extern unsigned int rpc_debug;
18extern unsigned int nfs_debug;
19extern unsigned int nfsd_debug;
20extern unsigned int nlm_debug;
21#endif
22
23#define dprintk(args...) dfprintk(FACILITY, ## args)
24#define dprintk_rcu(args...) dfprintk_rcu(FACILITY, ## args)
25
26#undef ifdebug
27#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
28# define ifdebug(fac) if (unlikely(rpc_debug & RPCDBG_##fac))
29
30# define dfprintk(fac, args...) \
31 do { \
32 ifdebug(fac) \
33 printk(KERN_DEFAULT args); \
34 } while (0)
35
36# define dfprintk_rcu(fac, args...) \
37 do { \
38 ifdebug(fac) { \
39 rcu_read_lock(); \
40 printk(KERN_DEFAULT args); \
41 rcu_read_unlock(); \
42 } \
43 } while (0)
44
45# define RPC_IFDEBUG(x) x
46#else
47# define ifdebug(fac) if (0)
48# define dfprintk(fac, args...) do {} while (0)
49# define dfprintk_rcu(fac, args...) do {} while (0)
50# define RPC_IFDEBUG(x)
51#endif
52
53/*
54 * Sysctl interface for RPC debugging
55 */
56
57struct rpc_clnt;
58struct rpc_xprt;
59
60#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
61void rpc_register_sysctl(void);
62void rpc_unregister_sysctl(void);
63void sunrpc_debugfs_init(void);
64void sunrpc_debugfs_exit(void);
65void rpc_clnt_debugfs_register(struct rpc_clnt *);
66void rpc_clnt_debugfs_unregister(struct rpc_clnt *);
67void rpc_xprt_debugfs_register(struct rpc_xprt *);
68void rpc_xprt_debugfs_unregister(struct rpc_xprt *);
69#else
70static inline void
71sunrpc_debugfs_init(void)
72{
73 return;
74}
75
76static inline void
77sunrpc_debugfs_exit(void)
78{
79 return;
80}
81
82static inline void
83rpc_clnt_debugfs_register(struct rpc_clnt *clnt)
84{
85 return;
86}
87
88static inline void
89rpc_clnt_debugfs_unregister(struct rpc_clnt *clnt)
90{
91 return;
92}
93
94static inline void
95rpc_xprt_debugfs_register(struct rpc_xprt *xprt)
96{
97 return;
98}
99
100static inline void
101rpc_xprt_debugfs_unregister(struct rpc_xprt *xprt)
102{
103 return;
104}
105#endif
106
107#endif /* _LINUX_SUNRPC_DEBUG_H_ */
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