btrfs: fix compile when block cgroups are not enabled
[cascardo/linux.git] / fs / btrfs / volumes.c
index 53a3807..69520df 100644 (file)
@@ -5955,6 +5955,7 @@ again:
        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;
@@ -5963,6 +5964,7 @@ again:
                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) {