Symbol: ll_back_merge_fn
block/blk-map.c
443
if (!ll_back_merge_fn(rq, bio, nr_segs))
block/blk-merge.c
949
if (!ll_back_merge_fn(req, bio, nr_segs))
block/blk.h
450
int ll_back_merge_fn(struct request *req, struct bio *bio,