Function btrfsutil_sys::btrfs_util_deleted_subvolumes

pub unsafe extern "C" fn btrfs_util_deleted_subvolumes(
    path: *const c_char, 
    ids: *mut *mut u64, 
    n: *mut size_t
) -> btrfs_util_error

btrfs_util_deleted_subvolumes() - Get a list of subvolume which have been deleted but not yet cleaned up. @path: Path on a Btrfs filesystem. @ids: Returned array of subvolume IDs. @n: Returned number of IDs in the @ids array.

This requires appropriate privilege (CAP_SYS_ADMIN).

Return: %BTRFS_UTIL_OK on success, non-zero error code on failure.