e2fsck hanging

[Brian Davidson]

This patch does the trick.

> --- e2fsprogs-1.39/lib/ext2fs/icount.c  2005-09-06  
> 05:40:14.000000000 -0400
> +++ e2fsprogs-1.39-test/lib/ext2fs/icount.c     2007-03-13  
> 10:56:19.000000000 -0400
> @@ -251,6 +251,10 @@
>                                 range = ((float) (ino - lowval)) /
>                                         (highval - lowval);
>                         mid = low + ((int) (range * (high-low)));
> +                       if (mid > high)
> +                               mid = high;
> +                       if (mid < low)
> +                               mid = low;
>                 }
> #endif
>                 if (ino == icount->list[mid].ino) {

Our inode count is 732,577,792 on a 5.4 TB filesystem with 5.0 TB in  
use (94% use).  It took about 9 hours to run, and used of 4GB of memory.