bwrite

1 files changed, 8 insertions, 0 deletions

diff --git a/syscall.c b/syscall.c
index 77a16cd..29ebee8 100644
--- a/syscall.c
+++ b/syscall.c
@@ -426,6 +426,14 @@ sys_block(void)
     brelse(b);
   }
 
+#if 0
+  cprintf("overwrite fs.img!\n");
+  b = getblk();
+  memset (b->data, 'f', 10);
+  bwrite(1, b, 0);
+  cprintf("write is done\n");
+#endif
+
   ip = iget(1, 1);
   cprintf("iget 1: %d %d %d %d %d %d %d %d\n",
           ip->dev, ip->inum, ip->count, ip->busy,