Contributors: 9
Author Tokens Token Proportion Commits Commit Proportion
Jeff Layton 115 38.21% 5 17.24%
Linus Torvalds (pre-git) 108 35.88% 11 37.93%
Joe Perches 32 10.63% 1 3.45%
Trond Myklebust 28 9.30% 5 17.24%
Chuck Lever 9 2.99% 3 10.34%
Andy Shevchenko 4 1.33% 1 3.45%
David Howells 3 1.00% 1 3.45%
Greg Kroah-Hartman 1 0.33% 1 3.45%
Neil Brown 1 0.33% 1 3.45%
Total 301 29 


/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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
 */
extern unsigned int		rpc_debug;
extern unsigned int		nfs_debug;
extern unsigned int		nfsd_debug;
extern unsigned int		nlm_debug;

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

#undef ifdebug
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define ifdebug(fac)		if (unlikely(rpc_debug & RPCDBG_##fac))

# if IS_ENABLED(CONFIG_SUNRPC_DEBUG_TRACE)
#  define __sunrpc_printk(fmt, ...)	trace_printk(fmt, ##__VA_ARGS__)
# else
#  define __sunrpc_printk(fmt, ...)	printk(KERN_DEFAULT fmt, ##__VA_ARGS__)
# endif

# define dfprintk(fac, fmt, ...)					\
do {									\
	ifdebug(fac)							\
		__sunrpc_printk(fmt, ##__VA_ARGS__);			\
	else								\
		no_printk(fmt, ##__VA_ARGS__);				\
} while (0)

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

#else
# define ifdebug(fac)		if (0)
# define dfprintk(fac, fmt, ...)	no_printk(fmt, ##__VA_ARGS__)
# define dfprintk_rcu(fac, fmt, ...)	no_printk(fmt, ##__VA_ARGS__)
#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;
}

static inline void
sunrpc_debugfs_exit(void)
{
	return;
}

static inline void
rpc_clnt_debugfs_register(struct rpc_clnt *clnt)
{
	return;
}

static inline void
rpc_clnt_debugfs_unregister(struct rpc_clnt *clnt)
{
	return;
}

static inline void
rpc_xprt_debugfs_register(struct rpc_xprt *xprt)
{
	return;
}

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

#endif /* _LINUX_SUNRPC_DEBUG_H_ */