From ff5630dff67f4c3a38f2d5f2cc72d3bc7d9c2f4e Mon Sep 17 00:00:00 2001
From: dfr <dfr@FreeBSD.org>
Date: Sat, 10 May 1997 16:12:03 +0000
Subject: Fix a nasty hang connected with write gathering.  Also add debug
 print statements to bits of the server which helped me find the hang.

---
 sys/nfsserver/nfsrvstats.h | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'sys/nfsserver/nfsrvstats.h')

diff --git a/sys/nfsserver/nfsrvstats.h b/sys/nfsserver/nfsrvstats.h
index 59033bf..a3c45bd 100644
--- a/sys/nfsserver/nfsrvstats.h
+++ b/sys/nfsserver/nfsrvstats.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs.h	8.4 (Berkeley) 5/1/95
- * $Id: nfs.h,v 1.23 1997/03/27 20:01:03 guido Exp $
+ * $Id: nfs.h,v 1.24 1997/03/29 12:34:33 bde Exp $
  */
 
 #ifndef _NFS_NFS_H_
@@ -517,6 +517,23 @@ extern int nfsd_head_flag;
  	 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
 		sizeof (struct ucred)))
 
+#ifdef NFS_DEBUG
+
+extern int nfs_debug;
+#define NFS_DEBUG_ASYNCIO	1 /* asynchronous i/o */
+#define NFS_DEBUG_WG		2 /* server write gathering */
+#define NFS_DEBUG_RC		4 /* server request caching */
+
+#define NFS_DPF(cat, args)					\
+	do {							\
+		if (nfs_debug & NFS_DEBUG_##cat) printf args;	\
+	} while (0)
+
+#else
+
+#define NFS_DPF(cat, args)
+
+#endif
 
 int	nfs_init __P((struct vfsconf *vfsp));
 int	nfs_reply __P((struct nfsreq *));
-- 
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