elv_bio_merge_ok
if (__rq && elv_bio_merge_ok(__rq, bio)) {
if (q->last_merge && elv_bio_merge_ok(q->last_merge, bio)) {
if (__rq && elv_bio_merge_ok(__rq, bio)) {
EXPORT_SYMBOL(elv_bio_merge_ok);
extern bool elv_bio_merge_ok(struct request *, struct bio *);
if (elv_bio_merge_ok(__rq, bio)) {