BTRFS on LVM causes long fedora-storage-init run?

[Richard Shaw]

I posted this on the main mailing list but didn't get any hits.
Hopefully I'll have better luck here.
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I found the following thread but I don't think mine is the same problem:

http://lists.fedoraproject.org/pipermail/test/2011-June/100861.html

I am, however, running BTRFS on main main partitions on top of LVM
(since anaconda as of F15 still creates an LVM setup regardless of
filesystem?)

This is the only thing I can think of that's causing the problem.

$ systemd-analyze blame | head
 47003ms fedora-storage-init.service
 30284ms boot.mount
 8829ms udev-settle.service
 3692ms cups.service
 1686ms systemd-vconsole-setup.service
 1567ms udev.service
 1510ms autofs.service
 1403ms fedora-readonly.service
 1311ms lvm2-monitor.service
 1295ms NetworkManager.service

boot.mount I assume just remounts the boot partition as read-write, so
I think it's just waiting on fedora-storage-init.service.

Any ideas?

Thanks,
Richard