Initial import

1 files changed, 107 insertions, 0 deletions

diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h
new file mode 100644
index 000000000..59a7889e1
--- /dev/null
+++ b/include/linux/sunrpc/debug.h
@@ -0,0 +1,107 @@
+/*
+ * 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(args...)	dfprintk(FACILITY, ## args)
+#define dprintk_rcu(args...)	dfprintk_rcu(FACILITY, ## args)
+
+#undef ifdebug
+#if IS_ENABLED(CONFIG_SUNRPC_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
+ */
+
+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_ */