From e7e953b3dadb5aba3bb2f3f05b2beff94934a4dc Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Sun, 22 Apr 2012 15:27:06 -0400
Subject: venti: add bootstrap mode (write + no index)

R=rsc, rsc
http://codereview.appspot.com/6097047
---
 src/cmd/venti/srv/icache.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/cmd/venti/srv/icache.c')

diff --git a/src/cmd/venti/srv/icache.c b/src/cmd/venti/srv/icache.c
index af76819f..3055b981 100644
--- a/src/cmd/venti/srv/icache.c
+++ b/src/cmd/venti/srv/icache.c
@@ -387,6 +387,9 @@ icachelookup(u8int score[VtScoreSize], int type, IAddr *ia)
 {
 	IEntry *ie;
 
+	if(bootstrap)
+		return -1;
+
 	qlock(&icache.lock);
 	addstat(StatIcacheLookup, 1);
 	if((ie = ihashlookup(icache.hash, score, type)) != nil){
@@ -417,6 +420,9 @@ insertscore(u8int score[VtScoreSize], IAddr *ia, int state, AState *as)
 {
 	ISum *toload;
 
+	if(bootstrap)
+		return -1;
+
 	qlock(&icache.lock);
 	icacheinsert(score, ia, state);
 	if(state == IEClean)
-- 
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