first commit

1 files changed, 73 insertions, 0 deletions

diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h
new file mode 100644
index 000000000..9385bd74c
--- /dev/null
+++ b/include/linux/sunrpc/debug.h
@@ -0,0 +1,73 @@
+/*
+ * 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_ */