[pve-devel] applied: [PATCH storage] zfs: fix unmount request

[Fabian Grünbichler]

thanks!

On August 5, 2021 10:33 am, Fabian Ebner wrote:
> by not dying when the dataset is already unmounted. Can be triggered
> for a container by doing two rollbacks in a row.
> 
> Signed-off-by: Fabian Ebner <f.ebner at proxmox.com>
> ---
>  PVE/Storage/ZFSPoolPlugin.pm | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/PVE/Storage/ZFSPoolPlugin.pm b/PVE/Storage/ZFSPoolPlugin.pm
> index c4be70f..660b3d9 100644
> --- a/PVE/Storage/ZFSPoolPlugin.pm
> +++ b/PVE/Storage/ZFSPoolPlugin.pm
> @@ -477,7 +477,10 @@ sub volume_snapshot_rollback {
>      # caches, they get mounted in activate volume again
>      # see zfs bug #10931 https://github.com/openzfs/zfs/issues/10931
>      if ($format eq 'subvol') {
> -	$class->zfs_request($scfg, undef, 'unmount', "$scfg->{pool}/$vname");
> +	eval { $class->zfs_request($scfg, undef, 'unmount', "$scfg->{pool}/$vname"); };
> +	if (my $err = $@) {
> +	    die $err if $err !~ m/not currently mounted$/;
> +	}
>      }
>  
>      return $msg;
> -- 
> 2.30.2
> 
> 
> 
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