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storage: add volume_snapshot_rollback

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Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier
2012-09-06 10:27:58 +02:00
committed by Dietmar Maurer
parent ec409fb48b
commit 22a2a633c4
1 changed files with 15 additions and 0 deletions
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15
PVE/Storage.pm
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@ -153,6 +153,21 @@ sub volume_snapshot {
}
}
sub volume_snapshot_rollback {
my ($cfg, $volid, $snap) = @_;
my ($storeid, $volname) = parse_volume_id($volid, 1);
if ($storeid) {
my $scfg = storage_config($cfg, $storeid);
my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
return $plugin->volume_snapshot_rollback($scfg, $storeid, $volname, $snap);
} elsif ($volid =~ m|^(/.+)$| && -e $volid) {
die "snapshot rollback device is not possible";
} else {
die "can't snapshot";
}
}
sub get_image_dir {
my ($cfg, $storeid, $vmid) = @_;