On Tue Jul 29, 2025 at 1:15 PM CEST, Wolfgang Bumiller wrote:
> Signed-off-by: Wolfgang Bumiller <w.bumil...@proxmox.com>
> ---
> src/PVE/Storage/BTRFSPlugin.pm | 25 ++++++++----
> src/PVE/Storage/ESXiPlugin.pm | 2 +-
> src/PVE/Storage/ISCSIDirectPlugin.pm | 2 +-
> src/PVE/Storage/ISCSIPlugin.pm | 2 +-
> src/PVE/Storage/LVMPlugin.pm | 35 ++++++++++++-----
> src/PVE/Storage/LvmThinPlugin.pm | 19 +++++++--
> src/PVE/Storage/Plugin.pm | 59 +++++++++++++++++-----------
> src/PVE/Storage/RBDPlugin.pm | 27 +++++++++----
> src/PVE/Storage/ZFSPlugin.pm | 17 ++++++--
> src/PVE/Storage/ZFSPoolPlugin.pm | 35 +++++++++++------
> 10 files changed, 154 insertions(+), 69 deletions(-)
>
> diff --git a/src/PVE/Storage/BTRFSPlugin.pm b/src/PVE/Storage/BTRFSPlugin.pm
> index 585489c..0a42c88 100644
> --- a/src/PVE/Storage/BTRFSPlugin.pm
> +++ b/src/PVE/Storage/BTRFSPlugin.pm
> @@ -13,6 +13,7 @@ use POSIX qw(EEXIST);
>
> use PVE::Tools qw(run_command dir_glob_foreach);
>
> +use PVE::Storage::Common;
> use PVE::Storage::DirPlugin;
>
> use constant {
> @@ -193,15 +194,16 @@ sub filesystem_path {
>
> my $path = $class->get_subdir($scfg, $vtype);
>
> - $path .= "/$vmid" if $vtype eq 'images';
> + my $is_volume_type = PVE::Storage::Common::is_volume_type($vtype);
> + $path .= "/$vmid" if $is_volume_type;
>
> - if ($vtype eq 'images' && defined($format) && $format eq 'raw') {
> + if ($is_volume_type && defined($format) && $format eq 'raw') {
> my $dir = raw_name_to_dir($name);
> if ($snapname) {
> $dir .= "\@$snapname";
> }
> $path .= "/$dir/disk.raw";
> - } elsif ($vtype eq 'images' && defined($format) && $format eq 'subvol') {
> + } elsif ($is_volume_type && defined($format) && $format eq 'subvol') {
> $path .= "/$name";
> if ($snapname) {
> $path .= "\@$snapname";
> @@ -322,19 +324,28 @@ sub clone_image {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> if ($fmt ne 'raw' && $fmt ne 'subvol') {
> - return $class->SUPER::alloc_image($storeid, $scfg, $vmid, $fmt,
> $name, $size);
> + return $class->SUPER::alloc_image($storeid, $scfg, $vmid, $fmt,
> $name, $size, $vtype);
> }
>
> # From Plugin.pm:
>
> - my $imagedir = $class->get_subdir($scfg, 'images') . "/$vmid";
> + my $imagedir = $class->get_subdir($scfg, $vtype // 'images') . "/$vmid";
>
> mkpath $imagedir;
>
> - $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 1) if
> !$name;
> + if ($name) {
> + if (defined($vtype)) {
> + die "illegal name '$name' - should be 'vol-vm-$vmid-*'\n"
> + if $vtype eq 'vm-vol' && $name !~ m/^vol-vm-$vmid-/;
> + die "illegal name '$name' - should be 'vol-ct-$vmid-*'\n"
> + if $vtype eq 'ct-vol' && $name !~ m/^vol-ct-$vmid-/;
> + }
> + } else {
> + $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 1,
> $vtype);
> + }
>
> my (undef, $tmpfmt) = PVE::Storage::Plugin::parse_name_dir($name);
>
> diff --git a/src/PVE/Storage/ESXiPlugin.pm b/src/PVE/Storage/ESXiPlugin.pm
> index ea2f8f9..d10b156 100644
> --- a/src/PVE/Storage/ESXiPlugin.pm
> +++ b/src/PVE/Storage/ESXiPlugin.pm
> @@ -480,7 +480,7 @@ sub path {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> die "creating images is not supported for $class\n";
> }
> diff --git a/src/PVE/Storage/ISCSIDirectPlugin.pm
> b/src/PVE/Storage/ISCSIDirectPlugin.pm
> index 98a3391..0fee541 100644
> --- a/src/PVE/Storage/ISCSIDirectPlugin.pm
> +++ b/src/PVE/Storage/ISCSIDirectPlugin.pm
> @@ -140,7 +140,7 @@ sub clone_image {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> die "can't allocate space in iscsi storage\n";
> }
> diff --git a/src/PVE/Storage/ISCSIPlugin.pm b/src/PVE/Storage/ISCSIPlugin.pm
> index 77a9173..5118d73 100644
> --- a/src/PVE/Storage/ISCSIPlugin.pm
> +++ b/src/PVE/Storage/ISCSIPlugin.pm
> @@ -402,7 +402,7 @@ sub clone_image {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> die "can't allocate space in iscsi storage\n";
> }
> diff --git a/src/PVE/Storage/LVMPlugin.pm b/src/PVE/Storage/LVMPlugin.pm
> index 55c4578..af789ba 100644
> --- a/src/PVE/Storage/LVMPlugin.pm
> +++ b/src/PVE/Storage/LVMPlugin.pm
> @@ -535,7 +535,7 @@ sub clone_image {
> }
>
> sub find_free_diskname {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix, $vtype) = @_;
>
> my $vg = $scfg->{vgname};
>
> @@ -546,7 +546,7 @@ sub find_free_diskname {
> $add_fmt_suffix = $fmt && $fmt eq 'qcow2' ? 1 : undef;
>
> return PVE::Storage::Plugin::get_next_vm_diskname(
> - $disk_list, $storeid, $vmid, $fmt, $scfg, $add_fmt_suffix,
> + $disk_list, $storeid, $vmid, $fmt, $scfg, $add_fmt_suffix, $vtype,
> );
> }
>
> @@ -628,8 +628,8 @@ my sub calculate_lvm_size {
> return $info->{'fully-allocated'} / 1024;
> }
>
> -my sub alloc_lvm_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $backing_snap) =
> @_;
> +my sub alloc_lvm_image : prototype($$$$$$$$$) {
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $backing_snap,
> $vtype) = @_;
>
> die "unsupported format '$fmt'" if $fmt ne 'raw' && $fmt ne 'qcow2';
>
> @@ -637,6 +637,20 @@ my sub alloc_lvm_image {
> if $fmt eq 'qcow2'
> && !$scfg->{'snapshot-as-volume-chain'};
>
> + if ($name) {
> + if (defined($vtype) && $vtype eq 'vm-vol') {
> + die "illegal name '$name' - should be 'vol-vm-$vmid-*'\n"
> + if $name !~ m/^vol-vm-$vmid-/;
> + } elsif (defined($vtype) && $vtype eq 'ct-vol') {
> + die "illegal name '$name' - should be 'vol-ct-$vmid-*'\n"
> + if $name !~ m/^vol-ct-$vmid-/;
> + } else {
> + die "illegal name '$name'"
> + . " - should be 'vm-$vmid-*', 'vol-vm-$vmid-*' or
> 'vol-ct-$vmid-*'\n"
> + if $name !~ m/^(?:vol-vm|vol-ct|vm)-$vmid-/;
> + }
> + }
> +
> $class->parse_volname($name);
>
> my $vgs = lvm_vgs();
> @@ -672,20 +686,20 @@ my sub alloc_lvm_image {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> - $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt)
> + $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 0,
> $vtype)
> if !$name;
>
> - alloc_lvm_image($class, $storeid, $scfg, $vmid, $fmt, $name, $size);
> + alloc_lvm_image($class, $storeid, $scfg, $vmid, $fmt, $name, $size,
> undef, $vtype);
>
> return $name;
> }
>
> -my sub alloc_snap_image {
> +my sub alloc_snap_image : prototype($$$$$) {
> my ($class, $storeid, $scfg, $volname, $backing_snap) = @_;
>
> - my ($vmid, $format) = ($class->parse_volname($volname))[2, 6];
> + my ($vtype, $vmid, $format) = ($class->parse_volname($volname))[0, 2, 6];
> my $path = $class->path($scfg, $volname, $storeid, $backing_snap);
>
> #we need to use same size than the backing image qcow2 virtual-size
> @@ -694,7 +708,8 @@ my sub alloc_snap_image {
>
> $size = $size / 1024; #we use kb in lvcreate
>
> - alloc_lvm_image($class, $storeid, $scfg, $vmid, $format, $volname,
> $size, $backing_snap);
> + alloc_lvm_image($class, $storeid, $scfg, $vmid, $format, $volname,
> $size, $backing_snap,
> + $vtype);
> }
>
> my sub free_snap_image {
> diff --git a/src/PVE/Storage/LvmThinPlugin.pm
> b/src/PVE/Storage/LvmThinPlugin.pm
> index f6615d9..2071822 100644
> --- a/src/PVE/Storage/LvmThinPlugin.pm
> +++ b/src/PVE/Storage/LvmThinPlugin.pm
> @@ -122,12 +122,23 @@ my $set_lv_autoactivation = sub {
> };
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> die "unsupported format '$fmt'" if $fmt ne 'raw';
>
> - die "illegal name '$name' - should be 'vm-$vmid-*'\n"
> - if $name && $name !~ m/^vm-$vmid-/;
> + if ($name) {
> + if (defined($vtype) && $vtype eq 'vm-vol') {
> + die "illegal name '$name' - should be 'vol-vm-$vmid-*'\n"
> + if $name !~ m/^vol-vm-$vmid-/;
> + } elsif (defined($vtype) && $vtype eq 'ct-vol') {
> + die "illegal name '$name' - should be 'vol-ct-$vmid-*'\n"
> + if $name !~ m/^vol-ct-$vmid-/;
> + } else {
> + die "illegal name '$name'"
> + . " - should be 'vm-$vmid-*', 'vol-vm-$vmid-*' or
> 'vol-ct-$vmid-*'\n"
> + if $name !~ m/^(?:vol-vm|vol-ct|vm)-$vmid-/;
> + }
> + }
^ This currently trips up when you try to make a snapshot on a VM disk
following the new naming scheme:
TASK ERROR: illegal name 'vm-200-state-foo' - should be 'vol-vm-200-*'
Did some debugging and stacktrace-diving--turns out that
`PVE::QemuConfig::__snapshot_save_vmstate()` passes the wrong name for
the snapshot.
Should we keep the old snapshot naming scheme for 'vm-$vmid-*' volumes
or also use the new one from now on?
With that being said, perhaps this could be a good opportunity to let
`PVE::Storage::vdisk_alloc()` decide on the snapshot's name instead?
As in, have `__snapshot_save_vmstate()` just pass on the plain name,
that is "foo" instead of e.g. "vm-666-state-foo" since the $vmid is
passed along anyway (and the vtype now is, too).
NOTE: This also happens for directory storage too, and I'm assuming
others as well. However, containers seem to be fine..?
>
> my $vgs = PVE::Storage::LVMPlugin::lvm_vgs();
>
> @@ -135,7 +146,7 @@ sub alloc_image {
>
> die "no such volume group '$vg'\n" if !defined($vgs->{$vg});
>
> - $name = $class->find_free_diskname($storeid, $scfg, $vmid)
> + $name = $class->find_free_diskname($storeid, $scfg, $vmid, undef, 0,
> $vtype)
> if !$name;
>
> my $cmd = [
> diff --git a/src/PVE/Storage/Plugin.pm b/src/PVE/Storage/Plugin.pm
> index 660045d..adaca47 100644
> --- a/src/PVE/Storage/Plugin.pm
> +++ b/src/PVE/Storage/Plugin.pm
> @@ -851,7 +851,7 @@ sub filesystem_path {
>
> my $dir = $class->get_subdir($scfg, $vtype);
>
> - $dir .= "/$vmid" if $vtype eq 'images';
> + $dir .= "/$vmid" if PVE::Storage::Common::is_volume_type($vtype);
>
> my $path = "$dir/$name";
>
> @@ -912,30 +912,34 @@ sub create_base {
> }
>
> my $get_vm_disk_number = sub {
> - my ($disk_name, $scfg, $vmid, $suffix) = @_;
> -
> - my $disk_regex = qr/(vm|base)-$vmid-disk-(\d+)$suffix/;
> -
> - my $type = $scfg->{type};
> - my $def = { %{ $defaultData->{plugindata}->{$type} } };
> -
> - my $valid = $def->{format}->[0];
> - if ($valid->{subvol}) {
> - $disk_regex = qr/(vm|base|subvol|basevol)-$vmid-disk-(\d+)/;
> - }
> -
> - if ($disk_name =~ m/$disk_regex/) {
> - return $2;
> + my ($disk_volid, $scfg, $vmid, $suffix) = @_;
> +
> + # Dir storage have a vmid/ subdir, zfs/lvm/rbd/... do not.
> + # Also: LVM storages don't pass the `storeid:` prefix...
> + if ($disk_volid =~ m!^(?:[^:]+:)? (?:\d+/)? $DISK_NAME_REGEX $!xn) {
> + my $label = $+{label};
> + # Dir storages have a format suffix, zfs/lvm/rbd/... do not.
> + if ($label =~ /^disk-(\d+)(?:\..*)?$/) {
> + return int($1);
> + }
> }
>
> return undef;
> };
>
> +# note: disk_list is an array of *volids*
> sub get_next_vm_diskname {
> - my ($disk_list, $storeid, $vmid, $fmt, $scfg, $add_fmt_suffix) = @_;
> + my ($disk_list, $storeid, $vmid, $fmt, $scfg, $add_fmt_suffix, $vtype) =
> @_;
>
> $fmt //= '';
> - my $prefix = ($fmt eq 'subvol') ? 'subvol' : 'vm';
> + my $prefix;
> + if (defined($vtype) && $vtype eq 'vm-vol') {
> + $prefix = 'vol-vm';
> + } elsif (defined($vtype) && $vtype eq 'ct-vol') {
> + $prefix = ($fmt eq 'subvol') ? 'subvol-ct' : 'vol-ct';
> + } else {
> + $prefix = ($fmt eq 'subvol') ? 'subvol' : 'vm';
> + }
> my $suffix = $add_fmt_suffix ? ".$fmt" : '';
>
> my $disk_ids = {};
> @@ -954,13 +958,13 @@ sub get_next_vm_diskname {
> }
>
> sub find_free_diskname {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix, $vtype) = @_;
>
> - my $disks = $class->list_images($storeid, $scfg, $vmid);
> + my $disks = $class->list_images($storeid, $scfg, $vmid, undef, undef,
> $vtype);
>
> my $disk_list = [map { $_->{volid} } @$disks];
>
> - return get_next_vm_diskname($disk_list, $storeid, $vmid, $fmt, $scfg,
> $add_fmt_suffix);
> + return get_next_vm_diskname($disk_list, $storeid, $vmid, $fmt, $scfg,
> $add_fmt_suffix, $vtype);
> }
>
> sub clone_image {
> @@ -1011,14 +1015,23 @@ sub clone_image {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> - my $imagedir = $class->get_subdir($scfg, 'images');
> + my $imagedir = $class->get_subdir($scfg, $vtype // 'images');
> $imagedir .= "/$vmid";
>
> mkpath $imagedir;
>
> - $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 1) if
> !$name;
> + if ($name) {
> + if (defined($vtype)) {
> + die "illegal name '$name' - should be 'vol-vm-$vmid-*'\n"
> + if $vtype eq 'vm-vol' && $name !~ m/^vol-vm-$vmid-/;
> + die "illegal name '$name' - should be 'vol-ct-$vmid-*'\n"
> + if $vtype eq 'ct-vol' && $name !~ m/^vol-ct-$vmid-/;
> + }
> + } else {
> + $name = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 1,
> $vtype);
> + }
>
> my (undef, $tmpfmt) = parse_name_dir($name);
>
> diff --git a/src/PVE/Storage/RBDPlugin.pm b/src/PVE/Storage/RBDPlugin.pm
> index 2ef1280..839ff73 100644
> --- a/src/PVE/Storage/RBDPlugin.pm
> +++ b/src/PVE/Storage/RBDPlugin.pm
> @@ -620,7 +620,7 @@ sub qemu_blockdev_options {
> }
>
> sub find_free_diskname {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix, $vtype) = @_;
>
> my $cmd = $rbd_cmd->($scfg, $storeid, 'ls');
>
> @@ -640,7 +640,9 @@ sub find_free_diskname {
>
> die $err if $err && $err !~ m/doesn't contain rbd images/;
>
> - return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid,
> $vmid, undef, $scfg);
> + return PVE::Storage::Plugin::get_next_vm_diskname(
> + $disk_list, $storeid, $vmid, undef, $scfg, 0, $vtype,
> + );
> }
>
> sub create_base {
> @@ -730,12 +732,23 @@ sub clone_image {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> -
> - die "illegal name '$name' - should be 'vm-$vmid-*'\n"
> - if $name && $name !~ m/^vm-$vmid-/;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
> +
> + if ($name) {
> + if (defined($vtype) && $vtype eq 'vm-vol') {
> + die "illegal name '$name' - should be 'vol-vm-$vmid-*'\n"
> + if $name !~ m/^vol-vm-$vmid-/;
> + } elsif (defined($vtype) && $vtype eq 'ct-vol') {
> + die "illegal name '$name' - should be 'vol-ct-$vmid-*'\n"
> + if $name !~ m/^vol-ct-$vmid-/;
> + } else {
> + die "illegal name '$name'"
> + . " - should be 'vm-$vmid-*', 'vol-vm-$vmid-*' or
> 'vol-ct-$vmid-*'\n"
> + if $name !~ m/^(?:vol-vm|vol-ct|vm)-$vmid-/;
> + }
> + }
>
> - $name = $class->find_free_diskname($storeid, $scfg, $vmid) if !$name;
> + $name = $class->find_free_diskname($storeid, $scfg, $vmid, undef, 0,
> $vtype) if !$name;
>
> my @options = (
> '--image-format', 2, '--size', int(($size + 1023) / 1024),
> diff --git a/src/PVE/Storage/ZFSPlugin.pm b/src/PVE/Storage/ZFSPlugin.pm
> index a05f521..259e468 100644
> --- a/src/PVE/Storage/ZFSPlugin.pm
> +++ b/src/PVE/Storage/ZFSPlugin.pm
> @@ -355,16 +355,25 @@ sub clone_image {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> die "unsupported format '$fmt'" if $fmt ne 'raw';
>
> - die "illegal name '$name' - should be 'vm-$vmid-*'\n"
> - if $name && $name !~ m/^vm-$vmid-/;
> + if ($name) {
> + if (defined($vtype) && $vtype eq 'vm-vol') {
> + die "illegal name '$name' - should be 'vol-vm-$vmid-*'\n"
> + if $name !~ m/^vol-vm-$vmid-/;
> + } elsif (defined($vtype) && $vtype eq 'ct-vol') {
> + die "non-subvolumes not allowed for containers\n";
> + } else {
> + die "illegal name '$name'" . " - should be 'vm-$vmid-*',
> 'vol-vm-$vmid-*'\n"
> + if $name !~ m/^(?:vol-vm|vm)-$vmid-/;
> + }
> + }
>
> my $volname = $name;
>
> - $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt) if
> !$volname;
> + $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt, 0,
> $vtype) if !$volname;
>
> $class->zfs_create_zvol($scfg, $volname, $size);
>
> diff --git a/src/PVE/Storage/ZFSPoolPlugin.pm
> b/src/PVE/Storage/ZFSPoolPlugin.pm
> index d65af69..f972718 100644
> --- a/src/PVE/Storage/ZFSPoolPlugin.pm
> +++ b/src/PVE/Storage/ZFSPoolPlugin.pm
> @@ -271,29 +271,42 @@ sub zfs_wait_for_zvol_link {
> }
>
> sub alloc_image {
> - my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
> + my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size, $vtype) = @_;
>
> my $volname = $name;
>
> if ($fmt eq 'raw') {
> -
> - die "illegal name '$volname' - should be 'vm-$vmid-*'\n"
> - if $volname && $volname !~ m/^vm-$vmid-/;
> - $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt)
> + $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt,
> 0, $vtype)
> if !$volname;
>
> + if ($vtype) {
> + die "'raw' format not allowed for container volumes\n"
> + if $vtype ne 'vm-vol';
> +
> + die "illegal name '$volname' - should be 'vol-vm-$vmid-*'\n"
> + if $volname !~ m/^vol-vm-$vmid-/;
> + } else {
> + die "illegal name '$volname' - should be 'vol-vm-$vmid-*' or
> 'vm-$vmid-*'\n"
> + if $volname !~ m/^(vol-)?vm-$vmid-/;
> + }
> +
> $class->zfs_create_zvol($scfg, $volname, $size);
> $class->zfs_wait_for_zvol_link($scfg, $volname);
>
> } elsif ($fmt eq 'subvol') {
> -
> - die "illegal name '$volname' - should be 'subvol-$vmid-*'\n"
> - if $volname && $volname !~ m/^subvol-$vmid-/;
> - $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt)
> + $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt,
> 0, $vtype)
> if !$volname;
>
> - die "illegal name '$volname' - should be 'subvol-$vmid-*'\n"
> - if $volname !~ m/^subvol-$vmid-/;
> + if ($vtype) {
> + die "'subvol' format not allowed for VM volumes\n"
> + if $vtype ne 'ct-vol';
> +
> + die "illegal name '$volname' - should be 'subvol-ct-$vmid-*'\n"
> + if $volname !~ m/^subvol-ct-$vmid-/;
> + } else {
> + die "illegal name '$volname' - should be 'subvol-ct-$vmid-*' or
> 'subvol-$vmid-*'\n"
> + if $volname !~ m/^subvol(-ct)?-$vmid-/;
> + }
>
> $class->zfs_create_subvol($scfg, $volname, $size);
>
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