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add lock around update_vm code

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This commit is contained in:
Dietmar Maurer 2012-01-27 09:53:48 +01:00
parent afdb31d5f8
commit 5d39a18227
1 changed files with 90 additions and 90 deletions
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12
PVE/API2/Qemu.pm
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@ -455,6 +455,8 @@ __PACKAGE__->register_method({
&$resolve_cdrom_alias($param);
my $updatefn = sub {
my $conf = PVE::QemuServer::load_config($vmid);
die "checksum missmatch (file change by other user?)\n"
@ -471,8 +473,6 @@ __PACKAGE__->register_method({
die "you can't use '-$opt' and '-delete $opt' at the same time\n"
if defined($param->{$opt});
my $unset = {};
if (!PVE::QemuServer::option_exists($opt)) {
raise_param_exc({ delete => "unknown option '$opt'" });
}
@ -510,12 +510,9 @@ __PACKAGE__->register_method({
warn $@ if $@;
}
$unset->{$opt} = 1;
PVE::QemuServer::change_config_nolock($vmid, {}, $unset, 1);
PVE::QemuServer::change_config_nolock($vmid, {}, { $opt => 1 }, 1);
}
#add
foreach my $opt (keys %$param) {
@ -573,6 +570,9 @@ __PACKAGE__->register_method({
PVE::QemuServer::change_config_nolock($vmid, { $opt => $param->{$opt} }, {}, 1);
}
};
PVE::QemuServer::lock_config($vmid, $updatefn);
return undef;
}});