On Fri, Apr 20, 2012 at 12:12 PM, David Sterba <[email protected]> wrote:
> On Fri, Apr 20, 2012 at 11:19:39AM +0300, Avi Kivity wrote:
>>   /dev/mapper/luks-blah /                       btrfs
>> subvol=/rootvol        1 1
>>   /dev/mapper/luks-blah /var/lib/libvirt/images     btrfs
>> nodatasum,nodatacow,subvol=/images.libvirt        1 2
>
> what does /proc/mounts say about the applied options? do you see
> nodatasum and nodatacow there? afaik most (if not all) mount options
> affect the whole filesystem including any subvolume mounts.  having
> per-subvol options is possible, just not implemented.
>

Nothing, the options don't show up there.

Are there plans to allow per-subvolume nodatasum/nodatacow?
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