diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 7bce64c7060e..2a0e6c599147 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -144,3 +144,9 @@ config NFS_USE_KERNEL_DNS
 	depends on NFS_V4 && !NFS_USE_LEGACY_DNS
 	select DNS_RESOLVER
 	default y
+
+config NFS_DEBUG
+	bool
+	depends on NFS_FS && SUNRPC_DEBUG
+	select CRC32
+	default y
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 1a19f8d30c14..7bb4d13c1cd5 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1047,7 +1047,7 @@ struct nfs_fh *nfs_alloc_fhandle(void)
 	return fh;
 }
 
-#ifdef RPC_DEBUG
+#ifdef NFS_DEBUG
 /*
  * _nfs_display_fhandle_hash - calculate the crc32 hash for the filehandle
  *                             in the same way that wireshark does
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index b37ca34af903..8e65c7f1f87c 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -16,7 +16,7 @@
 #include <linux/nfs_fs.h>
 #include "internal.h"
 
-#ifdef RPC_DEBUG
+#ifdef NFS_DEBUG
 # define NFSDBG_FACILITY	NFSDBG_MOUNT
 #endif
 
diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index c4744e1d513c..cd3c910d2d12 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -104,7 +104,7 @@ static char nfs_export_path[NFS_MAXPATHLEN + 1] __initdata = "";
 /* server:export path string passed to super.c */
 static char nfs_root_device[NFS_MAXPATHLEN + 1] __initdata = "";
 
-#ifdef RPC_DEBUG
+#ifdef NFS_DEBUG
 /*
  * When the "nfsrootdebug" kernel command line option is specified,
  * enable debugging messages for NFSROOT.
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 0a63ab2b5a76..8f27c2e36ddf 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -38,6 +38,13 @@
 
 #ifdef __KERNEL__
 
+/*
+ * Enable dprintk() debugging support for nfs client.
+ */
+#ifdef CONFIG_NFS_DEBUG
+# define NFS_DEBUG
+#endif
+
 #include <linux/in.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
@@ -391,7 +398,7 @@ static inline void nfs_free_fhandle(const struct nfs_fh *fh)
 	kfree(fh);
 }
 
-#ifdef RPC_DEBUG
+#ifdef NFS_DEBUG
 extern u32 _nfs_display_fhandle_hash(const struct nfs_fh *fh);
 static inline u32 nfs_display_fhandle_hash(const struct nfs_fh *fh)
 {
@@ -650,14 +657,6 @@ nfs_fileid_to_ino_t(u64 fileid)
 
 #ifdef __KERNEL__
 
-/*
- * Enable debugging support for nfs client.
- * Requires RPC_DEBUG.
- */
-#ifdef RPC_DEBUG
-# define NFS_DEBUG
-#endif
-
 # undef ifdebug
 # ifdef NFS_DEBUG
 #  define ifdebug(fac)		if (unlikely(nfs_debug & NFSDBG_##fac))
diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h
index 6cb2517bcf75..9448eb5e426c 100644
--- a/include/linux/sunrpc/debug.h
+++ b/include/linux/sunrpc/debug.h
@@ -31,7 +31,7 @@
 /*
  * Enable RPC debugging/profiling.
  */
-#ifdef CONFIG_SYSCTL
+#ifdef CONFIG_SUNRPC_DEBUG
 #define  RPC_DEBUG
 #endif
 #ifdef CONFIG_TRACEPOINTS
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
index ffd243d09188..9fe8857d8d59 100644
--- a/net/sunrpc/Kconfig
+++ b/net/sunrpc/Kconfig
@@ -39,3 +39,16 @@ config RPCSEC_GSS_KRB5
 	  Kerberos support should be installed.
 
 	  If unsure, say Y.
+
+config SUNRPC_DEBUG
+	bool "RPC: Enable dprintk debugging"
+	depends on SUNRPC && SYSCTL
+	help
+	  This option enables a sysctl-based debugging interface
+	  that is be used by the 'rpcdebug' utility to turn on or off
+	  logging of different aspects of the kernel RPC activity.
+
+	  Disabling this option will make your kernel slightly smaller,
+	  but makes troubleshooting NFS issues significantly harder.
+
+	  If unsure, say Y.