Re: [PATCH rhel 5.4] Reserve enough space for lvm metadata when computing PV size usable for LVs (#500431)

[Chris Lumens <clumens redhat com>]

> This is port of patch which went in RHEL 4.9. Up to now we reserved one more
> PE for metadata if PV size was equal to clamped size (too narrow). With the
> patch, we reserve one more PE if clamping itself would reserve less than 1MB.
> 
> The patch is tested and the bug is exception.

Looks straightforward to me.  Feel free to commit.

- Chris