[RFC storage 2/3] lvm plugin: list volumes: also query 'zero' property

[Fiona Ebner <f.ebner@proxmox.com>]

Useful to check whether thin pools are correctly configured.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
 src/PVE/Storage/LVMPlugin.pm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/PVE/Storage/LVMPlugin.pm b/src/PVE/Storage/LVMPlugin.pm
index 32a8339..ad0d040 100644
--- a/src/PVE/Storage/LVMPlugin.pm
+++ b/src/PVE/Storage/LVMPlugin.pm
@@ -207,8 +207,8 @@ sub lvm_vgs {
 sub lvm_list_volumes {
     my ($vgname) = @_;
 
-    my $option_list =
-        'vg_name,lv_name,lv_size,lv_attr,pool_lv,data_percent,metadata_percent,snap_percent,uuid,tags,metadata_size,time';
+    my $option_list = 'vg_name,lv_name,lv_size,lv_attr,pool_lv,data_percent,metadata_percent,'
+        . 'snap_percent,uuid,tags,metadata_size,time,zero';
 
     my $cmd = [
         '/sbin/lvs',
@@ -248,6 +248,7 @@ sub lvm_list_volumes {
                 $tags,
                 $meta_size,
                 $ctime,
+                $zero,
             ) = split(':', $line);
             return if !$vg_name;
             return if !$lv_name;
@@ -262,6 +263,7 @@ sub lvm_list_volumes {
             $d->{pool_lv} = $pool_lv if $pool_lv;
             $d->{tags} = $tags if $tags;
             $d->{ctime} = $ctime;
+            $d->{zero} = $zero;
 
             if ($lv_type eq 't') {
                 $data_percent ||= 0;
-- 
2.47.3