[pve-devel] [PATCH] rbd : free_image : retry if rbd has watchers

[Dietmar Maurer]

>      $cmd = &$rbd_cmd($scfg, $storeid, 'rm', $name);
> -    run_rbd_command($cmd, errmsg => "rbd rm '$volname' error");
> +
> +    my $i = 0;
> +    while(1){
> +	$i++;
> +	eval {
> +	    run_rbd_command($cmd, errmsg => "rbd rm '$volname' error");
> +	};
> +	my $err = $@;
> +
> +	sleep 1 if ($err && $err =~ m/image still has watchers/);

And what happens if we get other errors?

> +
> +	die "image still has watchers" if $i > 10;
> +	last if !$err;
> +    }