[pve-devel] [PATCH 4/9] vm_start : attach loop devices for non rootfs mountpoint

[Dietmar Maurer]

comments inline

On 08/16/2015 07:43 PM, Alexandre Derumier wrote:
> Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
> ---
>   src/PVE/API2/LXC.pm | 11 ++++++++++-
>   1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/src/PVE/API2/LXC.pm b/src/PVE/API2/LXC.pm
> index 7eb0afb..870da69 100644
> --- a/src/PVE/API2/LXC.pm
> +++ b/src/PVE/API2/LXC.pm
> @@ -1007,7 +1007,16 @@ __PACKAGE__->register_method({
>   
>   		PVE::LXC::foreach_mountpoint($conf, sub {
>   		    my ($ms, $mountpoint) = @_;
> -		    PVE::Storage::activate_volumes($storage_cfg, [$mountpoint->{volume}]);
> +
> +		    my $volid = $mountpoint->{volume};
> +		    PVE::Storage::activate_volumes($storage_cfg, [$volid]);
> +
> +		    my ($storage, $volname) = PVE::Storage::parse_volume_id($volid);
> +		    my $scfg = PVE::Storage::storage_config($storage_cfg, $storage);
> +		    if($ms ne 'rootfs' && ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs')) {

I currently use $scfg->{path} to test for filesystem based storages 
(that also works with glusterfs).
But you need to exclude volumes with format 'subvol'. See code inside 
PVE::LXC::update_lxc_config()