if (!bio)
return -ENOMEM;
+#ifdef CONFIG_BLK_CGROUP
if (first_bio->bi_ioc) {
get_io_context_active(first_bio->bi_ioc);
bio->bi_ioc = first_bio->bi_ioc;
css_get(first_bio->bi_css);
bio->bi_css = first_bio->bi_css;
}
+#endif
while (bvec <= (first_bio->bi_io_vec + first_bio->bi_vcnt - 1)) {
if (bio_add_page(bio, bvec->bv_page, bvec->bv_len,
bvec->bv_offset) < bvec->bv_len) {