debug.h

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/*
 * linux/include/linux/sunrpc/debug.h
 *
 * Debugging support for sunrpc module
 *
 * Copyright (C) 1996, Olaf Kirch <[email protected]>
 */
#ifndef _LINUX_SUNRPC_DEBUG_H_
#define _LINUX_SUNRPC_DEBUG_H_

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


/*
 * Enable RPC debugging/profiling.
 */
#ifdef CONFIG_SUNRPC_DEBUG
#define  RPC_DEBUG
#endif
#ifdef CONFIG_TRACEPOINTS
#define RPC_TRACEPOINTS
#endif
/* #define  RPC_PROFILE */

/*
 * Debugging macros etc
 */
#ifdef RPC_DEBUG
extern unsigned int     rpc_debug;
extern unsigned int     nfs_debug;
extern unsigned int     nfsd_debug;
extern unsigned int     nlm_debug;
#endif

#define dprintk(args...)    dfprintk(FACILITY, ## args)
#define dprintk_rcu(args...)    dfprintk_rcu(FACILITY, ## args)

#undef ifdebug
#ifdef RPC_DEBUG            
# define ifdebug(fac)       if (unlikely(rpc_debug & RPCDBG_##fac))

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

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

# define RPC_IFDEBUG(x)     x
#else
# define ifdebug(fac)       if (0)
# define dfprintk(fac, args...) do {} while (0)
# define dfprintk_rcu(fac, args...) do {} while (0)
# define RPC_IFDEBUG(x)
#endif

/*
 * Sysctl interface for RPC debugging
 */
#ifdef RPC_DEBUG
void        rpc_register_sysctl(void);
void        rpc_unregister_sysctl(void);
#endif

#endif /* _LINUX_SUNRPC_DEBUG_H_ */