*
* The downside of allocating a very large initial disk is that the
* fixed overhead of ext2 is larger (since ext2 calculates it based on
- * the size of the disk). For a 1GB disk the overhead is
- * approximately 16MB.
+ * the size of the disk). For a 4GB disk the overhead is
+ * approximately 66MB.
*
* In future, make this configurable, or determine it from the input
* files (XXX).
*/
-#define APPLIANCE_SIZE (1024*1024*1024)
+#define APPLIANCE_SIZE ((off_t)4*1024*1024*1024)
static void
ext2_start (const char *hostcpu, const char *appliance,
if (fd == -1)
error (EXIT_FAILURE, errno, "open: %s", appliance);
- if (lseek (fd, APPLIANCE_SIZE - 1, SEEK_SET) == -1)
+ if (lseek (fd, APPLIANCE_SIZE - 1, SEEK_SET) == (off_t) -1)
error (EXIT_FAILURE, errno, "lseek");
char c = 0;