[pve-devel] [PATCH container] fix #4846: Avoid the outdated noacl mount option on ext4

[Filip Schauer <f.schauer@proxmox.com>]

Do not use the 'noacl' mount option when mounting a container disk with
an ext4 file system. The option was removed from the kernel in commit
2d544ec923db

Signed-off-by: Filip Schauer <f.schauer@proxmox.com>
---
 src/PVE/LXC.pm | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/PVE/LXC.pm b/src/PVE/LXC.pm
index 1e9af0f..3ebce37 100644
--- a/src/PVE/LXC.pm
+++ b/src/PVE/LXC.pm
@@ -1764,9 +1764,6 @@ sub __mountpoint_mount {
     }
 
     my $acl = $mountpoint->{acl};
-    if (defined($acl)) {
-	push @$optlist, ($acl ? 'acl' : 'noacl');
-    }
 
     my $optstring = join(',', @$optlist);
     my $readonly = $mountpoint->{ro};
@@ -1787,6 +1784,13 @@ sub __mountpoint_mount {
 
 	$format = 'iso' if $vtype eq 'iso'; # allow to handle iso files
 
+	# Avoid the outdated 'noacl' mount option on ext4 file systems
+	if ($scfg->{type} ne 'zfspool') {
+	    push @$optlist, 'acl' if $acl;
+	} elsif (defined($acl)) {
+	    push @$optlist, ($acl ? 'acl' : 'noacl');
+	}
+
 	if ($format eq 'subvol') {
 	    if ($mount_path) {
 		my (undef, $name) = PVE::Storage::parse_volname($storage_cfg, $volid);
-- 
2.39.2