From cb85cf3e66942eabeff656173ac75b9275fa61fe Mon Sep 17 00:00:00 2001
From: dfr <dfr@FreeBSD.org>
Date: Thu, 13 Aug 1998 08:09:08 +0000
Subject: Protect all modifications to v_numoutput with splbio().

---
 sys/kern/vfs_cluster.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'sys/kern/vfs_cluster.c')

diff --git a/sys/kern/vfs_cluster.c b/sys/kern/vfs_cluster.c
index 94da3f7..3f969ad 100644
--- a/sys/kern/vfs_cluster.c
+++ b/sys/kern/vfs_cluster.c
@@ -33,7 +33,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)vfs_cluster.c	8.7 (Berkeley) 2/13/94
- * $Id: vfs_cluster.c,v 1.66 1998/07/29 17:38:14 bde Exp $
+ * $Id: vfs_cluster.c,v 1.67 1998/08/06 08:33:18 dfr Exp $
  */
 
 #include "opt_debug_cluster.h"
@@ -798,11 +798,13 @@ cluster_wbuild(vp, size, start_lbn, len)
 			bp->b_bcount += size;
 			bp->b_bufsize += size;
 
+			s = splbio();
 			--numdirtybuffers;
 			tbp->b_flags &= ~(B_READ | B_DONE | B_ERROR | B_DELWRI);
 			tbp->b_flags |= B_ASYNC;
 			reassignbuf(tbp, tbp->b_vp);	/* put on clean list */
 			++tbp->b_vp->v_numoutput;
+			splx(s);
 			TAILQ_INSERT_TAIL(&bp->b_cluster.cluster_head,
 				tbp, b_cluster.cluster_entry);
 		}
-- 
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