From 28b49df3542a635cca788f3de213385f3fcb6334 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Tue, 18 Jul 2006 15:26:33 +0000
Subject: assorted changes from Plan 9

---
 src/cmd/venti/srv/lumpcache.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

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

diff --git a/src/cmd/venti/srv/lumpcache.c b/src/cmd/venti/srv/lumpcache.c
index f183e128..b989c3cb 100644
--- a/src/cmd/venti/srv/lumpcache.c
+++ b/src/cmd/venti/srv/lumpcache.c
@@ -11,7 +11,7 @@ enum
 {
 	HashLog		= 9,
 	HashSize	= 1<<HashLog,
-	HashMask	= HashSize - 1
+	HashMask	= HashSize - 1,
 };
 
 struct LumpCache
@@ -175,7 +175,6 @@ again:
 	 * remove it from the heap, and fix up the heap.
 	 */
 	size = packetasize(p);
-/*ZZZ */
 	while(lumpcache.avail < size){
 		trace(TraceLump, "insertlump bump");
 		CHECK(checklumpcache());
@@ -277,6 +276,15 @@ bumplump(void)
 	return b;
 }
 
+void
+emptylumpcache(void)
+{
+	qlock(&lumpcache.lock);
+	while(bumplump())
+		;
+	qunlock(&lumpcache.lock);
+}
+
 /*
  * delete an arbitrary block from the heap
  */
@@ -415,3 +423,4 @@ checklumpcache(void)
 	if(lumpcache.nheap + nfree + refed != lumpcache.nblocks)
 		sysfatal("lc: missing blocks: %d %d %d %d", lumpcache.nheap, refed, nfree, lumpcache.nblocks);
 }
+
-- 
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