nfsd: remove <linux/nfsd/debug.h>

There is almost nothing left it in, just merge it into the only file
that includes it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

fs/nfsd/nfsd.h

@@ -18,11 +18,18 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/msg_prot.h>
 
-#include <linux/nfsd/debug.h>
+#include <uapi/linux/nfsd/debug.h>
 
 #include "stats.h"
 #include "export.h"
 
+#undef ifdebug
+#ifdef NFSD_DEBUG
+# define ifdebug(flag)		if (nfsd_debug & NFSDDBG_##flag)
+#else
+# define ifdebug(flag)		if (0)
+#endif
+
 /*
  * nfsd version
  */