From 8b3bd4234181c846d8c9fdffeb32cc71faff84ad Mon Sep 17 00:00:00 2001
From: Julian Elischer <julian@FreeBSD.org>
Date: Tue, 2 Mar 1999 20:26:39 +0000
Subject: [PATCH] Remove inapropriate use of VOP_ISLOCKED() This produced races
 resulting in panics and filesystem corruptions under some circumstances.

Reviewed by: luoqi chen <luoqi@freebsd.org>
Reviewed by: Kirk McKusick <mckusick@mckusick.com>
Submitted by: Matt Dillon <dillon@freebsd.org>
---
 sys/kern/vfs_bio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c
index 75111597728..b9fd96a5806 100644
--- a/sys/kern/vfs_bio.c
+++ b/sys/kern/vfs_bio.c
@@ -11,7 +11,7 @@
  * 2. Absolutely no warranty of function or purpose is made by the author
  *		John S. Dyson.
  *
- * $Id: vfs_bio.c,v 1.198 1999/01/24 00:51:11 dillon Exp $
+ * $Id: vfs_bio.c,v 1.199 1999/01/27 21:49:58 dillon Exp $
  */
 
 /*
@@ -1551,7 +1551,7 @@ loop:
 		 * Normally the vnode is locked so this isn't a problem.
 		 * VBLK type I/O requests, however, don't lock the vnode.
 		 */
-		if (VOP_ISLOCKED(vp) != LK_EXCLUSIVE && gbincore(vp, blkno)) {
+		if (gbincore(vp, blkno)) {
 			bp->b_flags |= B_INVAL;
 			brelse(bp);
 			goto loop;