Initial stab at Venti.

1 files changed, 56 insertions, 0 deletions

diff --git a/src/cmd/venti/syncindex.c b/src/cmd/venti/syncindex.c
new file mode 100644
index 00000000..75bb0696
--- /dev/null
+++ b/src/cmd/venti/syncindex.c
@@ -0,0 +1,56 @@
+#include "stdinc.h"
+#include "dat.h"
+#include "fns.h"
+
+static	int	verbose;
+void
+usage(void)
+{
+	fprint(2, "usage: syncindex [-fv] [-B blockcachesize] config\n");
+	threadexitsall("usage");
+}
+
+void
+threadmain(int argc, char *argv[])
+{
+	u32int bcmem;
+	int fix;
+
+	fix = 0;
+	bcmem = 0;
+	ARGBEGIN{
+	case 'B':
+		bcmem = unittoull(ARGF());
+		break;
+	case 'f':
+		fix++;
+		break;
+	case 'v':
+		verbose++;
+		break;
+	default:
+		usage();
+		break;
+	}ARGEND
+
+	if(!fix)
+		readonly = 1;
+
+	if(argc != 1)
+		usage();
+
+	if(initventi(argv[0]) < 0)
+		sysfatal("can't init venti: %r");
+
+	if(bcmem < maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16))
+		bcmem = maxblocksize * (mainindex->narenas + mainindex->nsects * 4 + 16);
+	fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
+	initdcache(bcmem);
+
+	if(verbose)
+		printindex(2, mainindex);
+	if(syncindex(mainindex, fix) < 0)
+		sysfatal("failed to sync index=%s: %r\n", mainindex->name);
+
+	threadexitsall(0);
+}