Comment # 11 on bug 1174939 from William Brown

(In reply to Arvin Schnell from comment #10)
> Interesting. I want to make clear that snapper is not involved with
> causing quotas being disabled. You you please run:
> 
> # btrfs quota enable /.snapshots
> # btrfs qgroup show /
> # reboot
> 
> # btrfs qgroup show /


pyrite#  btrfs qgroup show /
ERROR: can't list qgroups: quotas not enabled
pyrite# btrfs quota enable /.snapshots
pyrite#  btrfs qgroup show /
WARNING: qgroup data inconsistent, rescan recommended
qgroupid         rfer         excl
--------         ----         ----
0/5             0.00B        0.00B
0/256           0.00B        0.00B
0/258           0.00B        0.00B
...
0/1312          0.00B        0.00B
0/1313          0.00B        0.00B

pyrite# reboot

pyrite# uptime
 15:38:14  up   0:00,  1 user,  load average: 0.64, 0.18, 0.06
pyrite# btrfs qgroup show /
ERROR: can't list qgroups: quotas not enabled