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/* 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 */ #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; } 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_ */