From 96bae3e0ec023847b3af1a3dc4c310f230a49067 Mon Sep 17 00:00:00 2001
From: Kirk McKusick <mckusick@ucbvax.Berkeley.EDU>
Date: Sun, 14 Jan 1990 18:46:19 -0800
Subject: [PATCH] debugging, print out information on processes holding and
 waiting for lock

SCCS-vsn: sys/ufs/ffs/ffs_vnops.c 7.28
SCCS-vsn: sys/ufs/ffs/ufs_vnops.c 7.28
SCCS-vsn: sys/ufs/lfs/lfs_vnops.c 7.28
SCCS-vsn: sys/ufs/ufs/ufs_vnops.c 7.28
---
 usr/src/sys/ufs/ffs/ffs_vnops.c | 8 +++++++-
 usr/src/sys/ufs/ffs/ufs_vnops.c | 8 +++++++-
 usr/src/sys/ufs/lfs/lfs_vnops.c | 8 +++++++-
 usr/src/sys/ufs/ufs/ufs_vnops.c | 8 +++++++-
 4 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/usr/src/sys/ufs/ffs/ffs_vnops.c b/usr/src/sys/ufs/ffs/ffs_vnops.c
index 15d9342c0d..131c2ee282 100644
--- a/usr/src/sys/ufs/ffs/ffs_vnops.c
+++ b/usr/src/sys/ufs/ffs/ffs_vnops.c
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- *	@(#)ffs_vnops.c	7.27 (Berkeley) %G%
+ *	@(#)ffs_vnops.c	7.28 (Berkeley) %G%
  */
 
 #include "param.h"
@@ -1351,6 +1351,12 @@ ufs_print(vp)
 	printf("tag VT_UFS, ino %d, on dev %d, %d%s\n", ip->i_number,
 		major(ip->i_dev), minor(ip->i_dev),
 		(ip->i_flag & ILOCKED) ? " (LOCKED)" : "");
+	if (ip->i_spare0 == 0)
+		return;
+	printf("\towner pid %d", ip->i_spare0);
+	if (ip->i_spare1)
+		printf(" waiting pid %d", ip->i_spare1);
+	printf("\n");
 }
 
 /*
diff --git a/usr/src/sys/ufs/ffs/ufs_vnops.c b/usr/src/sys/ufs/ffs/ufs_vnops.c
index 82eecf5d2f..d869e95334 100644
--- a/usr/src/sys/ufs/ffs/ufs_vnops.c
+++ b/usr/src/sys/ufs/ffs/ufs_vnops.c
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- *	@(#)ufs_vnops.c	7.27 (Berkeley) %G%
+ *	@(#)ufs_vnops.c	7.28 (Berkeley) %G%
  */
 
 #include "param.h"
@@ -1351,6 +1351,12 @@ ufs_print(vp)
 	printf("tag VT_UFS, ino %d, on dev %d, %d%s\n", ip->i_number,
 		major(ip->i_dev), minor(ip->i_dev),
 		(ip->i_flag & ILOCKED) ? " (LOCKED)" : "");
+	if (ip->i_spare0 == 0)
+		return;
+	printf("\towner pid %d", ip->i_spare0);
+	if (ip->i_spare1)
+		printf(" waiting pid %d", ip->i_spare1);
+	printf("\n");
 }
 
 /*
diff --git a/usr/src/sys/ufs/lfs/lfs_vnops.c b/usr/src/sys/ufs/lfs/lfs_vnops.c
index dc3b3980ba..2e078127b7 100644
--- a/usr/src/sys/ufs/lfs/lfs_vnops.c
+++ b/usr/src/sys/ufs/lfs/lfs_vnops.c
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- *	@(#)lfs_vnops.c	7.27 (Berkeley) %G%
+ *	@(#)lfs_vnops.c	7.28 (Berkeley) %G%
  */
 
 #include "param.h"
@@ -1351,6 +1351,12 @@ ufs_print(vp)
 	printf("tag VT_UFS, ino %d, on dev %d, %d%s\n", ip->i_number,
 		major(ip->i_dev), minor(ip->i_dev),
 		(ip->i_flag & ILOCKED) ? " (LOCKED)" : "");
+	if (ip->i_spare0 == 0)
+		return;
+	printf("\towner pid %d", ip->i_spare0);
+	if (ip->i_spare1)
+		printf(" waiting pid %d", ip->i_spare1);
+	printf("\n");
 }
 
 /*
diff --git a/usr/src/sys/ufs/ufs/ufs_vnops.c b/usr/src/sys/ufs/ufs/ufs_vnops.c
index 82eecf5d2f..d869e95334 100644
--- a/usr/src/sys/ufs/ufs/ufs_vnops.c
+++ b/usr/src/sys/ufs/ufs/ufs_vnops.c
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- *	@(#)ufs_vnops.c	7.27 (Berkeley) %G%
+ *	@(#)ufs_vnops.c	7.28 (Berkeley) %G%
  */
 
 #include "param.h"
@@ -1351,6 +1351,12 @@ ufs_print(vp)
 	printf("tag VT_UFS, ino %d, on dev %d, %d%s\n", ip->i_number,
 		major(ip->i_dev), minor(ip->i_dev),
 		(ip->i_flag & ILOCKED) ? " (LOCKED)" : "");
+	if (ip->i_spare0 == 0)
+		return;
+	printf("\towner pid %d", ip->i_spare0);
+	if (ip->i_spare1)
+		printf(" waiting pid %d", ip->i_spare1);
+	printf("\n");
 }
 
 /*
-- 
2.20.1