build larger fs

e7bc724c · Nickolai Zeldovich · de6075ff · e7bc724c
--- a/mkfs.c
+++ b/mkfs.c
@@ -10,9 +10,9 @@
 #include "fs.h"
 #include "stat.h"

-int nblocks = 995;
+int nblocks = 4067;
 int ninodes = 200;
-int size = 1024;
+int size = 4096;

 int fsfd;
 struct superblock sb;
@@ -80,7 +80,7 @@ main(int argc, char *argv[])
  sb.nblocks = xint(nblocks); // so whole disk is size sectors
  sb.ninodes = xint(ninodes);

-  bitblocks = size/(512*8) + 1;
+  bitblocks = (size+512*8-1)/(512*8);
  usedblocks = ninodes / IPB + 3 + bitblocks;
  freeblock = usedblocks;