[pve-devel] applied: [PATCH storage] LVM: lock on volume_resize

[Wolfgang Bumiller]

applied

On Wed, Nov 14, 2018 at 02:43:29PM +0100, Thomas Lamprecht wrote:
> This is important for shared LVM storages. As with deletes and
> creates of images, as else we may have not the up-to-date metadata
> and extents may get reused if another node created an image during
> the same time, for example.
> 
> Signed-off-by: Thomas Lamprecht <t.lamprecht at proxmox.com>
> ---
>  PVE/Storage/LVMPlugin.pm | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/PVE/Storage/LVMPlugin.pm b/PVE/Storage/LVMPlugin.pm
> index f4a2566..79d527d 100644
> --- a/PVE/Storage/LVMPlugin.pm
> +++ b/PVE/Storage/LVMPlugin.pm
> @@ -491,7 +491,10 @@ sub volume_resize {
>  
>      my $path = $class->path($scfg, $volname);
>      my $cmd = ['/sbin/lvextend', '-L', $size, $path];
> -    run_command($cmd, errmsg => "error resizing volume '$path'");
> +
> +    $class->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
> +	run_command($cmd, errmsg => "error resizing volume '$path'");
> +    });
>  
>      return 1;
>  }
> -- 
> 2.19.1