From 441a33970d88a29e628ca1b6866295df87194d8c Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@centraldogma>
Date: Sat, 10 Sep 2011 07:14:29 +0200
Subject: [PATCH] npage: make flush synchronous

---
 sys/src/cmd/npage.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sys/src/cmd/npage.c b/sys/src/cmd/npage.c
index e8344b240..36da44276 100644
--- a/sys/src/cmd/npage.c
+++ b/sys/src/cmd/npage.c
@@ -600,7 +600,9 @@ unloadpages(int age)
 	Page *p;
 
 	for(p = root->down; p; p = nextpage(p)){
-		if(!canqlock(p))
+		if(age == 0)	/* synchronous flush */
+			qlock(p);
+		else if(!canqlock(p))
 			continue;
 		if((pagegen - p->gen) >= age)
 			unloadpage(p);
@@ -930,6 +932,7 @@ main(int argc, char *argv[])
 					rotate = 0;
 				Unload:
 					viewgen++;
+					esetcursor(&reading);
 					unloadpages(0);
 					showpage(current);
 					continue;