userspace breakage in linux/nfsd/debug.h

From: Mark Salter
Date: Thu Apr 02 2015 - 10:42:54 EST

This patch:

commit f895b252d4edf66b2895fb5a7b17a638665f3e1f
Author: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
Date: Mon Nov 17 16:58:04 2014 -0500

sunrpc: eliminate RPC_DEBUG

It's always set to whatever CONFIG_SUNRPC_DEBUG is, so just use that.

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

breaks userspace use of linux/nfsd/debug.h because of:

diff --git a/include/uapi/linux/nfsd/debug.h b/include/uapi/linux/nfsd/debug.h
index a6f453c..1fdc95b 100644
--- a/include/uapi/linux/nfsd/debug.h
+++ b/include/uapi/linux/nfsd/debug.h
@@ -15,7 +15,7 @@
* Enable debugging for nfsd.
* Requires RPC_DEBUG.
-#ifdef RPC_DEBUG
# define NFSD_DEBUG 1

IS_ENABLED() is not available outside the kernel and causes a compile
time failure:

/usr/include/linux/nfsd/debug.h:18:15: error: missing binary operator before token "("

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