on_ssd = fs_on_ssd(root) > 0;
log_debug("On SSD: %s", yes_no(on_ssd));
- on_btrfs = statfs(root, &sfs) >= 0 && (unsigned long) sfs.f_type == BTRFS_SUPER_MAGIC;
+ on_btrfs = statfs(root, &sfs) >= 0 && (unsigned __SWORD_TYPE) sfs.f_type == BTRFS_SUPER_MAGIC;
log_debug("On btrfs: %s", yes_no(on_btrfs));
if (asprintf(&pack_fn_new, "%s/.readahead.new", root) < 0) {