> > BTW, what's the current status of xfs_fsr? I don't know how stable it is,
> > and how it handles changes in the filesystem (since the filesystem will be
> > mounted) while it is in operation. Is it safe to run this in a cron job,
> > for example? And how much improvement can one typically get from running
> > xfs_fsr to reorganize a filesystem's contents?
> There have been some reports of fsr causing kernel panics - I
> saw some mail fly by in the last couple of days stating that
> problem was on Steve's work-in-progress list.
> I think that in the general case, the improvement from fsr is
> relatively small - but believe there are corner cases where it
> makes a big difference.
xfs_fsr currently appears to create filesystems which will not unmount
correctly. There is a reference count leak in there. It is on the todo
list, but right now Eric is out with a new baby, and I have three meetings
about other stuff today.