dsl_fs_ss_count_adjust
dsl_fs_ss_count_adjust(ds->ds_dir, 1, DD_FIELD_SNAPSHOT_COUNT, tx);
dsl_fs_ss_count_adjust(hds->ds_dir, 1,
dsl_fs_ss_count_adjust(ds->ds_dir, -1,
dsl_fs_ss_count_adjust(dd->dd_parent, -1,
dsl_fs_ss_count_adjust(dd->dd_parent, -fs_cnt,
dsl_fs_ss_count_adjust(newparent, fs_cnt,
dsl_fs_ss_count_adjust(dd->dd_parent, -ss_cnt,
dsl_fs_ss_count_adjust(newparent, ss_cnt,
dsl_fs_ss_count_adjust(dd->dd_parent, delta, prop, tx);
dsl_fs_ss_count_adjust(pds, 1, DD_FIELD_FILESYSTEM_COUNT, tx);
void dsl_fs_ss_count_adjust(dsl_dir_t *, int64_t, const char *, dmu_tx_t *);