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files: retrieve parent of a clone

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Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier
2012-11-21 18:11:31 +01:00
committed by Dietmar Maurer
parent 3f13fd7dc3
commit 73b7847e53
1 changed files with 6 additions and 3 deletions
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9
PVE/Storage/Plugin.pm
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@ -458,6 +458,7 @@ sub file_size_info {
my $cmd = ['/usr/bin/qemu-img', 'info', $filename]; my $cmd = ['/usr/bin/qemu-img', 'info', $filename];
my $format; my $format;
my $parent;
my $size = 0; my $size = 0;
my $used = 0; my $used = 0;
@ -467,6 +468,8 @@ sub file_size_info {
if ($line =~ m/^file format:\s+(\S+)\s*$/) { if ($line =~ m/^file format:\s+(\S+)\s*$/) {
$format = $1; $format = $1;
} elsif ($line =~ m/^backing file:\s(\S+)\s/) {
$parent = $1;
} elsif ($line =~ m/^virtual size:\s\S+\s+\((\d+)\s+bytes\)$/) { } elsif ($line =~ m/^virtual size:\s\S+\s+\((\d+)\s+bytes\)$/) {
$size = int($1); $size = int($1);
} elsif ($line =~ m/^disk size:\s+(\d+(.\d+)?)([KMGT])\s*$/) { } elsif ($line =~ m/^disk size:\s+(\d+(.\d+)?)([KMGT])\s*$/) {
@ -483,7 +486,7 @@ sub file_size_info {
}); });
}; };
return wantarray ? ($size, $format, $used) : $size; return wantarray ? ($size, $format, $used, $parent) : $size;
} }
sub volume_size_info { sub volume_size_info {
@ -581,12 +584,12 @@ sub list_images {
next if defined($vmid) && ($owner ne $vmid); next if defined($vmid) && ($owner ne $vmid);
} }
my ($size, $format, $used) = file_size_info($fn); my ($size, $format, $used, $parent) = file_size_info($fn);
if ($format && $size) { if ($format && $size) {
push @$res, { push @$res, {
volid => $volid, format => $format, volid => $volid, format => $format,
size => $size, vmid => $owner, used => $used }; size => $size, vmid => $owner, used => $used, parent => $parent };
} }
} }