From f69170e601c759b34452a406187cf075ecc7de10 Mon Sep 17 00:00:00 2001
From: John Dyson <dyson@FreeBSD.org>
Date: Sat, 20 Jan 1996 23:24:16 +0000
Subject: [PATCH] Previous commit to vfs_cluster accidentally disabled
 read-ahead.  Problem fixed by initializing "alreadyincore" to 0 in the case
 of sequential reads.

---
 sys/kern/vfs_cluster.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/kern/vfs_cluster.c b/sys/kern/vfs_cluster.c
index b232071698d0..c102640944ef 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 1.31 1995/12/22 16:06:46 bde Exp $
+ * $Id: vfs_cluster.c,v 1.32 1996/01/19 03:58:14 dyson Exp $
  */
 
 #include <sys/param.h>
@@ -179,6 +179,7 @@ cluster_read(vp, filesize, lblkno, size, cred, bpp)
 	 * if we have been doing sequential I/O, then do some read-ahead
 	 */
 	if (seq) {
+		alreadyincore = 0;
 
 	/*
 	 * bump ralen a bit...