- pr_debug("task: %p bio: %p Calling bio_add_page(): page:"
- " %p len: %u offset: %u\n", task, bio, sg_page(sg),
- sg->length, sg->offset);
-again:
- ret = bio_add_page(bio, sg_page(sg), sg->length, sg->offset);
- if (ret != sg->length) {
-
- pr_debug("*** Set bio->bi_sector: %llu\n",
- (unsigned long long)bio->bi_sector);
- pr_debug("** task->task_size: %u\n",
- task->task_size);
- pr_debug("*** bio->bi_max_vecs: %u\n",
- bio->bi_max_vecs);
- pr_debug("*** bio->bi_vcnt: %u\n",
- bio->bi_vcnt);
-
- bio = iblock_get_bio(task, ib_req, ib_dev, &ret,
- block_lba, sg_num);
+ /*
+ * XXX: if the length the device accepts is shorter than the
+ * length of the S/G list entry this will cause and
+ * endless loop. Better hope no driver uses huge pages.
+ */
+ while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset)
+ != sg->length) {
+ bio = iblock_get_bio(task, block_lba, sg_num);