From 75d048884cfcb7cc4404b384da50923e22224365 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Mon, 25 May 2009 02:11:27 -0700
Subject: venti: 32-bit extensions to data structures

---
 src/cmd/venti/copy.c    | 6 ++++++
 src/cmd/venti/dump.c    | 6 ++++++
 src/cmd/venti/read.c    | 6 ++++++
 src/cmd/venti/root.c    | 4 ++--
 src/cmd/venti/srv/dat.h | 6 ++++++
 src/cmd/venti/write.c   | 6 ++++++
 6 files changed, 32 insertions(+), 2 deletions(-)

(limited to 'src/cmd/venti')

diff --git a/src/cmd/venti/copy.c b/src/cmd/venti/copy.c
index 7e03b56c..4a05e053 100644
--- a/src/cmd/venti/copy.c
+++ b/src/cmd/venti/copy.c
@@ -4,6 +4,12 @@
 #include <libsec.h>
 #include <thread.h>
 
+enum
+{
+	// XXX What to do here?
+	VtMaxLumpSize = 65536,
+};
+
 int changes;
 int rewrite;
 int ignoreerrors;
diff --git a/src/cmd/venti/dump.c b/src/cmd/venti/dump.c
index 8481303a..c148b866 100644
--- a/src/cmd/venti/dump.c
+++ b/src/cmd/venti/dump.c
@@ -5,6 +5,12 @@
 #include <libsec.h>
 #include <thread.h>
 
+enum
+{
+	// XXX What to do here?
+	VtMaxLumpSize = 65536,
+};
+
 VtConn *z;
 char *host;
 
diff --git a/src/cmd/venti/read.c b/src/cmd/venti/read.c
index a48e62e6..4883c1d7 100644
--- a/src/cmd/venti/read.c
+++ b/src/cmd/venti/read.c
@@ -4,6 +4,12 @@
 #include <libsec.h>
 #include <thread.h>
 
+enum
+{
+	// XXX What to do here?
+	VtMaxLumpSize = 65536,
+};
+
 void
 usage(void)
 {
diff --git a/src/cmd/venti/root.c b/src/cmd/venti/root.c
index 5d67ad31..d41d44bc 100644
--- a/src/cmd/venti/root.c
+++ b/src/cmd/venti/root.c
@@ -38,7 +38,7 @@ threadmain(int argc, char *argv[])
 	if(argc == 0)
 		usage();
 
-	buf = vtmallocz(VtMaxLumpSize);
+	buf = vtmallocz(8192);
 
 	z = vtdial(host);
 	if(z == nil)
@@ -52,7 +52,7 @@ threadmain(int argc, char *argv[])
 			fprint(2, "cannot parse score '%s': %r\n", argv[i]);
 			continue;
 		}
-		n = vtread(z, score, VtRootType, buf, VtMaxLumpSize);
+		n = vtread(z, score, VtRootType, buf, 8192);
 		if(n < 0){
 			fprint(2, "could not read block %V: %r\n", score);
 			continue;
diff --git a/src/cmd/venti/srv/dat.h b/src/cmd/venti/srv/dat.h
index b0b942b8..7b2bf49d 100644
--- a/src/cmd/venti/srv/dat.h
+++ b/src/cmd/venti/srv/dat.h
@@ -37,6 +37,12 @@ typedef struct Bloom	Bloom;
 
 enum
 {
+	/*
+	 * formerly fundamental constant,
+	 * now a server-imposed limitation.
+	 */
+	VtMaxLumpSize	= 56*1024,
+
 	ABlockLog		= 9,		/* log2(512), the quantum for reading arenas */
 	ANameSize		= 64,
 	MaxDiskBlock		= 64*1024,	/* max. allowed size for a disk block */
diff --git a/src/cmd/venti/write.c b/src/cmd/venti/write.c
index c11a5a31..d627cae7 100644
--- a/src/cmd/venti/write.c
+++ b/src/cmd/venti/write.c
@@ -4,6 +4,12 @@
 #include <libsec.h>
 #include <thread.h>
 
+enum
+{
+	// XXX What to do here?
+	VtMaxLumpSize = 65536,
+};
+
 void
 usage(void)
 {
-- 
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