[Libguestfs] [PATCH 2/3] sparsify: fix btrfs subvolume processing in is_read_only_lv

Calling guestfs_is_lv on btrfs subvolume throws an error. Here we workaround it by returning 'false' for subvolumes. --- sparsify/utils.ml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sparsify/utils.ml b/sparsify/utils.ml index 9a49504..8d99db1 100644 --- a/sparsify/utils.ml +++ b/sparsify/utils.ml @@ -34,7 +34,8 @@ let is_read_only_lv (g : G.guestfs) = if lv_attr.[1] = 'r' then Some lv_uuid else None ) lvs in fun fs -> - if g#is_lv fs then ( + (* Btrfs subvolumes are NOT read-only LVs *) + if not (is_btrfs_subvolume g fs) && g#is_lv fs then ( let uuid = g#lvuuid fs in List.exists (fun u -> compare_lvm2_uuids uuid u = 0) ro_uuids ) -- 1.8.3.1