On Mon, Jun 22, 2015 at 05:00:23PM +0200, David Sterba wrote:
> - qgroup:
> - show: distinguish no limits and 0 limit value
> - limit: ability to clear the limit
I'm using kernel 4.1-rc7 as per:
root@riff:/var/lib/lxc/juju-trusty-lxc-template/rootfs# uname -a
Linux riff 4.1.0-040100rc7-generic #201506080035 SMP Mon Jun 8 04:36:20 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
But apart from still having major issues with qgroups (quota enforcement
triggers even when there seems to be plenty of free space) clearing
limits with btrfs-progs 4.1 doesn't revert back to 'none', instead
confusingly setting the quota to 16EiB. Using:
root@riff:/var/lib/lxc/juju-trusty-lxc-template/rootfs# btrfs version
btrfs-progs v4.1
I start from:
qgroupid rfer excl max_rfer max_excl
-------- ---- ---- -------- --------
0/5 2.15GiB 1.95GiB none none
0/261 1.42GiB 1.11GiB none 100.00GiB
0/265 1.09GiB 600.59MiB none 100.00GiB
0/271 793.32MiB 366.40MiB none 100.00GiB
0/274 514.96MiB 142.92MiB none 100.00GiB
I then issue:
root@riff# btrfs qgroup limit -e none 261 /var
root@riff# btrfs qgroup limit none 261 /var
I end up with:
qgroupid rfer excl max_rfer max_excl
-------- ---- ---- -------- --------
0/5 2.15GiB 1.95GiB none none
0/261 1.42GiB 1.11GiB 16.00EiB 16.00EiB
0/265 1.09GiB 600.59MiB none 100.00GiB
0/271 793.32MiB 366.40MiB none 100.00GiB
0/274 514.96MiB 142.92MiB none 100.00GiB
Is that expected?
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