support read() and write() bigger than one page

1 files changed, 2 insertions, 2 deletions

diff --git a/sysfile.c b/sysfile.c
index 86e734a..83bb1ed 100644
--- a/sysfile.c
+++ b/sysfile.c
@@ -173,7 +173,7 @@ isdirempty(struct inode *dp)
   struct dirent de;
 
   for(off=2*sizeof(de); off<dp->size; off+=sizeof(de)){
-    if(readi(dp, (char*)&de, off, sizeof(de)) != sizeof(de))
+    if(readi(dp, 0, (uint64)&de, off, sizeof(de)) != sizeof(de))
       panic("isdirempty: readi");
     if(de.inum != 0)
       return 0;
@@ -217,7 +217,7 @@ sys_unlink(void)
   }
 
   memset(&de, 0, sizeof(de));
-  if(writei(dp, (char*)&de, off, sizeof(de)) != sizeof(de))
+  if(writei(dp, 0, (uint64)&de, off, sizeof(de)) != sizeof(de))
     panic("unlink: writei");
   if(ip->type == T_DIR){
     dp->nlink--;