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kernel/linux-imx6_3.14.28/include/linux/sunrpc/debug.h 1.43 KB
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  /*
   * 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>
  
  
  /*
   * 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_ */