file corruption with arla

[Derrick J Brashear]

>  > (4)  Very often when there is no process using arla, it is not
>  >      possible to unmount it without rebooting the system.
>  
>  This is due to the caching done in the Linux 2.0 xfs module. Killing
>  arlad should empty the cache, and thus release all refcounts on the
>  inodes.

It doesn't always; I started tracking it about a month ago and then got
sidetracked. 

-D