Fix type of sector_idx in inode_write_at().

Thanks to Ryan Seth Propper <rpropper@stanford.edu> for reporting this
bug.

diff --git a/src/filesys/inode.c b/src/filesys/inode.c
index 777138b10f479530cb3daed59c5b331e2af1050a..8e954abc32f35c782cd04c9f0715a7291a86edbb 100644 (file)
--- a/src/filesys/inode.c
+++ b/src/filesys/inode.c
@@ -258,7 +258,7 @@ inode_write_at (struct inode *inode, const void *buffer_, off_t size,
   while (size > 0) 
     {
       /* Sector to write, starting byte offset within sector. */
-      off_t sector_idx = byte_to_sector (inode, offset);
+      disk_sector_t sector_idx = byte_to_sector (inode, offset);
       int sector_ofs = offset % DISK_SECTOR_SIZE;
 
       /* Bytes left in inode, bytes left in sector, lesser of the two. */