Release 4.12 include/linux/sunrpc/debug.h

/*
 * linux/include/linux/sunrpc/debug.h
 *
 * Debugging support for sunrpc module
 *
 * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
 */
#ifndef _LINUX_SUNRPC_DEBUG_H_

#define _LINUX_SUNRPC_DEBUG_H_

#include <uapi/linux/sunrpc/debug.h>

/*
 * Debugging macros etc
 */
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
extern unsigned int		rpc_debug;
extern unsigned int		nfs_debug;
extern unsigned int		nfsd_debug;
extern unsigned int		nlm_debug;
#endif


#define dprintk(fmt, ...)						\
	dfprintk(FACILITY, fmt, ##__VA_ARGS__)

#define dprintk_cont(fmt, ...)						\
	dfprintk_cont(FACILITY, fmt, ##__VA_ARGS__)

#define dprintk_rcu(fmt, ...)						\
	dfprintk_rcu(FACILITY, fmt, ##__VA_ARGS__)

#define dprintk_rcu_cont(fmt, ...)					\
	dfprintk_rcu_cont(FACILITY, fmt, ##__VA_ARGS__)


#undef ifdebug
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)

# define ifdebug(fac)		if (unlikely(rpc_debug & RPCDBG_##fac))


# define dfprintk(fac, fmt, ...)					\
do {                                                                    \
        ifdebug(fac)                                                    \
                printk(KERN_DEFAULT fmt, ##__VA_ARGS__);                \
} while (0)


# define dfprintk_cont(fac, fmt, ...)					\
do {                                                                    \
        ifdebug(fac)                                                    \
                printk(KERN_CONT fmt, ##__VA_ARGS__);                   \
} while (0)


# define dfprintk_rcu(fac, fmt, ...)					\
do {                                                                    \
        ifdebug(fac) {                                                  \
                rcu_read_lock();                                        \
                printk(KERN_DEFAULT fmt, ##__VA_ARGS__);                \
                rcu_read_unlock();                                      \
        }                                                               \
} while (0)


# define dfprintk_rcu_cont(fac, fmt, ...)				\
do {                                                                    \
        ifdebug(fac) {                                                  \
                rcu_read_lock();                                        \
                printk(KERN_CONT fmt, ##__VA_ARGS__);                   \
                rcu_read_unlock();                                      \
        }                                                               \
} while (0)


# define RPC_IFDEBUG(x)		x
#else

# define ifdebug(fac)		if (0)

# define dfprintk(fac, fmt, ...)	do {} while (0)

# define dfprintk_cont(fac, fmt, ...)	do {} while (0)

# define dfprintk_rcu(fac, fmt, ...)	do {} while (0)

# define RPC_IFDEBUG(x)
#endif

/*
 * Sysctl interface for RPC debugging
 */

struct rpc_clnt;
struct rpc_xprt;

#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
void		rpc_register_sysctl(void);
void		rpc_unregister_sysctl(void);
void		sunrpc_debugfs_init(void);
void		sunrpc_debugfs_exit(void);
void		rpc_clnt_debugfs_register(struct rpc_clnt *);
void		rpc_clnt_debugfs_unregister(struct rpc_clnt *);
void		rpc_xprt_debugfs_register(struct rpc_xprt *);
void		rpc_xprt_debugfs_unregister(struct rpc_xprt *);
#else

static inline void

sunrpc_debugfs_init(void)
{
	return;
}

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static inline void

sunrpc_debugfs_exit(void)
{
	return;
}

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static inline void

rpc_clnt_debugfs_register(struct rpc_clnt *clnt)
{
	return;
}

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static inline void

rpc_clnt_debugfs_unregister(struct rpc_clnt *clnt)
{
	return;
}

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static inline void

rpc_xprt_debugfs_register(struct rpc_xprt *xprt)
{
	return;
}

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static inline void

rpc_xprt_debugfs_unregister(struct rpc_xprt *xprt)
{
	return;
}
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#endif

#endif /* _LINUX_SUNRPC_DEBUG_H_ */
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Directory: include/linux/sunrpc

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