[pve-devel] [PATCH qemu-server v10 6/11] migration: check_local_resources for virtiofs

[Markus Frank <m.frank@proxmox.com>]

add dir mapping checks to check_local_resources

Since the VM needs to be powered off for migration, migration should
work with a directory on shared storage with all caching settings.

Signed-off-by: Markus Frank <m.frank@proxmox.com>
---
 PVE/QemuServer.pm            | 10 +++++++++-
 test/MigrationTest/Shared.pm |  7 +++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index a0600d7..ee7699f 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2573,6 +2573,7 @@ sub check_local_resources {
     my $nodelist = PVE::Cluster::get_nodelist();
     my $pci_map = PVE::Mapping::PCI::config();
     my $usb_map = PVE::Mapping::USB::config();
+    my $dir_map = PVE::Mapping::Dir::config();
 
     my $missing_mappings_by_node = { map { $_ => [] } @$nodelist };
 
@@ -2584,6 +2585,8 @@ sub check_local_resources {
 		$entry = PVE::Mapping::PCI::get_node_mapping($pci_map, $id, $node);
 	    } elsif ($type eq 'usb') {
 		$entry = PVE::Mapping::USB::get_node_mapping($usb_map, $id, $node);
+	    } elsif ($type eq 'dir') {
+		$entry = PVE::Mapping::Dir::get_node_mapping($dir_map, $id, $node);
 	    }
 	    if (!scalar($entry->@*)) {
 		push @{$missing_mappings_by_node->{$node}}, $key;
@@ -2612,9 +2615,14 @@ sub check_local_resources {
 		push @$mapped_res, $k;
 	    }
 	}
+	if ($k =~ m/^virtiofs/) {
+	    my $entry = parse_property_string('pve-qm-virtiofs', $conf->{$k});
+	    $add_missing_mapping->('dir', $k, $entry->{dirid});
+	    push @$mapped_res, $k;
+	}
 	# sockets are safe: they will recreated be on the target side post-migrate
 	next if $k =~ m/^serial/ && ($conf->{$k} eq 'socket');
-	push @loc_res, $k if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
+	push @loc_res, $k if $k =~ m/^(usb|hostpci|serial|parallel|virtiofs)\d+$/;
     }
 
     die "VM uses local resources\n" if scalar @loc_res && !$noerr;
diff --git a/test/MigrationTest/Shared.pm b/test/MigrationTest/Shared.pm
index aa7203d..c5d0722 100644
--- a/test/MigrationTest/Shared.pm
+++ b/test/MigrationTest/Shared.pm
@@ -90,6 +90,13 @@ $mapping_pci_module->mock(
     },
 );
 
+our $mapping_dir_module = Test::MockModule->new("PVE::Mapping::Dir");
+$mapping_dir_module->mock(
+    config => sub {
+	return {};
+    },
+);
+
 our $ha_config_module = Test::MockModule->new("PVE::HA::Config");
 $ha_config_module->mock(
     vm_is_ha_managed => sub {
-- 
2.39.2



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