[pve-devel] [PATCH v2 storage 1/2] lvm plugin: properly handle qcow2 format when querying volume size info
Fiona Ebner
f.ebner at proxmox.com
Fri Jul 18 12:20:07 CEST 2025
In particular this fixes moving a qcow2 on top of LVM to a different
storage.
Fixes: eda88c9 ("lvmplugin: add qcow2 snapshot")
Reported-by: Michael Köppl <m.koeppl at proxmox.com>
Signed-off-by: Fiona Ebner <f.ebner at proxmox.com>
---
Changes in v2:
* Add Reported-by trailer.
* Mention what this fixes in the commit message.
src/PVE/Storage/LVMPlugin.pm | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/PVE/Storage/LVMPlugin.pm b/src/PVE/Storage/LVMPlugin.pm
index 7044c4f..6d57097 100644
--- a/src/PVE/Storage/LVMPlugin.pm
+++ b/src/PVE/Storage/LVMPlugin.pm
@@ -930,8 +930,12 @@ sub volume_resize {
sub volume_size_info {
my ($class, $scfg, $storeid, $volname, $timeout) = @_;
+
+ my ($format) = ($class->parse_volname($volname))[6];
my $path = $class->filesystem_path($scfg, $volname);
+ return PVE::Storage::Plugin::file_size_info($path, $timeout, $format) if $format eq 'qcow2';
+
my $cmd = [
'/sbin/lvs',
'--separator',
--
2.47.2
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