diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index bb1a7cc24cbb..08df6bcd2f81 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -1861,8 +1861,7 @@ void pblk_gen_run_ws(struct pblk *pblk, struct pblk_line *line, void *priv,
 	queue_work(wq, &line_ws->ws);
 }
 
-static void __pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list,
-			     int nr_ppas, int pos)
+static void __pblk_down_pu(struct pblk *pblk, int pos)
 {
 	struct pblk_lun *rlun = &pblk->luns[pos];
 	int ret;
@@ -1871,13 +1870,6 @@ static void __pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list,
 	 * Only send one inflight I/O per LUN. Since we map at a page
 	 * granurality, all ppas in the I/O will map to the same LUN
 	 */
-#ifdef CONFIG_NVM_PBLK_DEBUG
-	int i;
-
-	for (i = 1; i < nr_ppas; i++)
-		WARN_ON(ppa_list[0].a.lun != ppa_list[i].a.lun ||
-				ppa_list[0].a.ch != ppa_list[i].a.ch);
-#endif
 
 	ret = down_timeout(&rlun->wr_sem, msecs_to_jiffies(30000));
 	if (ret == -ETIME || ret == -EINTR)
@@ -1885,21 +1877,21 @@ static void __pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list,
 				-ret);
 }
 
-void pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas)
+void pblk_down_pu(struct pblk *pblk, struct ppa_addr ppa)
 {
 	struct nvm_tgt_dev *dev = pblk->dev;
 	struct nvm_geo *geo = &dev->geo;
-	int pos = pblk_ppa_to_pos(geo, ppa_list[0]);
+	int pos = pblk_ppa_to_pos(geo, ppa);
 
-	__pblk_down_page(pblk, ppa_list, nr_ppas, pos);
+	__pblk_down_pu(pblk, pos);
 }
 
-void pblk_down_rq(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas,
+void pblk_down_rq(struct pblk *pblk, struct ppa_addr ppa,
 		  unsigned long *lun_bitmap)
 {
 	struct nvm_tgt_dev *dev = pblk->dev;
 	struct nvm_geo *geo = &dev->geo;
-	int pos = pblk_ppa_to_pos(geo, ppa_list[0]);
+	int pos = pblk_ppa_to_pos(geo, ppa);
 
 	/* If the LUN has been locked for this same request, do no attempt to
 	 * lock it again
@@ -1907,23 +1899,15 @@ void pblk_down_rq(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas,
 	if (test_and_set_bit(pos, lun_bitmap))
 		return;
 
-	__pblk_down_page(pblk, ppa_list, nr_ppas, pos);
+	__pblk_down_pu(pblk, pos);
 }
 
-void pblk_up_page(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas)
+void pblk_up_pu(struct pblk *pblk, struct ppa_addr ppa)
 {
 	struct nvm_tgt_dev *dev = pblk->dev;
 	struct nvm_geo *geo = &dev->geo;
 	struct pblk_lun *rlun;
-	int pos = pblk_ppa_to_pos(geo, ppa_list[0]);
-
-#ifdef CONFIG_NVM_PBLK_DEBUG
-	int i;
-
-	for (i = 1; i < nr_ppas; i++)
-		WARN_ON(ppa_list[0].a.lun != ppa_list[i].a.lun ||
-				ppa_list[0].a.ch != ppa_list[i].a.ch);
-#endif
+	int pos = pblk_ppa_to_pos(geo, ppa);
 
 	rlun = &pblk->luns[pos];
 	up(&rlun->wr_sem);
diff --git a/drivers/lightnvm/pblk-map.c b/drivers/lightnvm/pblk-map.c
index dc0efb852475..ff677ca6e4e1 100644
--- a/drivers/lightnvm/pblk-map.c
+++ b/drivers/lightnvm/pblk-map.c
@@ -79,7 +79,7 @@ static int pblk_map_page_data(struct pblk *pblk, unsigned int sentry,
 		}
 	}
 
-	pblk_down_rq(pblk, ppa_list, nr_secs, lun_bitmap);
+	pblk_down_rq(pblk, ppa_list[0], lun_bitmap);
 	return 0;
 }
 
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index eea901d7cebc..df624d504d24 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -227,7 +227,7 @@ static void pblk_end_io_recov(struct nvm_rq *rqd)
 	struct pblk_pad_rq *pad_rq = rqd->private;
 	struct pblk *pblk = pad_rq->pblk;
 
-	pblk_up_page(pblk, ppa_list, rqd->nr_ppas);
+	pblk_up_pu(pblk, ppa_list[0]);
 
 	pblk_free_rqd(pblk, rqd, PBLK_WRITE_INT);
 
@@ -339,12 +339,12 @@ static int pblk_recov_pad_oob(struct pblk *pblk, struct pblk_line *line,
 	}
 
 	kref_get(&pad_rq->ref);
-	pblk_down_page(pblk, rqd->ppa_list, rqd->nr_ppas);
+	pblk_down_pu(pblk, rqd->ppa_list[0]);
 
 	ret = pblk_submit_io(pblk, rqd);
 	if (ret) {
 		pblk_err(pblk, "I/O submission failed: %d\n", ret);
-		pblk_up_page(pblk, rqd->ppa_list, rqd->nr_ppas);
+		pblk_up_pu(pblk, rqd->ppa_list[0]);
 		goto fail_free_bio;
 	}
 
diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c
index cd579b440b56..55d198edd70a 100644
--- a/drivers/lightnvm/pblk-write.c
+++ b/drivers/lightnvm/pblk-write.c
@@ -270,7 +270,7 @@ static void pblk_end_io_write_meta(struct nvm_rq *rqd)
 	struct ppa_addr *ppa_list = nvm_rq_to_ppa_list(rqd);
 	int sync;
 
-	pblk_up_page(pblk, ppa_list, rqd->nr_ppas);
+	pblk_up_pu(pblk, ppa_list[0]);
 
 	if (rqd->error) {
 		pblk_log_write_err(pblk, rqd);
@@ -420,7 +420,7 @@ int pblk_submit_meta_io(struct pblk *pblk, struct pblk_line *meta_line)
 		list_del(&meta_line->list);
 	spin_unlock(&l_mg->close_lock);
 
-	pblk_down_page(pblk, ppa_list, rqd->nr_ppas);
+	pblk_down_pu(pblk, ppa_list[0]);
 
 	ret = pblk_submit_io(pblk, rqd);
 	if (ret) {
@@ -431,7 +431,7 @@ int pblk_submit_meta_io(struct pblk *pblk, struct pblk_line *meta_line)
 	return NVM_IO_OK;
 
 fail_rollback:
-	pblk_up_page(pblk, ppa_list, rqd->nr_ppas);
+	pblk_up_pu(pblk, ppa_list[0]);
 	spin_lock(&l_mg->close_lock);
 	pblk_dealloc_page(pblk, meta_line, rq_ppas);
 	list_add(&meta_line->list, &meta_line->list);
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index 2f61f4428fcb..390855375b1e 100644
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -823,10 +823,10 @@ u64 pblk_alloc_page(struct pblk *pblk, struct pblk_line *line, int nr_secs);
 u64 __pblk_alloc_page(struct pblk *pblk, struct pblk_line *line, int nr_secs);
 int pblk_calc_secs(struct pblk *pblk, unsigned long secs_avail,
 		   unsigned long secs_to_flush);
-void pblk_up_page(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas);
-void pblk_down_rq(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas,
+void pblk_up_pu(struct pblk *pblk, struct ppa_addr ppa);
+void pblk_down_rq(struct pblk *pblk, struct ppa_addr ppa,
 		  unsigned long *lun_bitmap);
-void pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas);
+void pblk_down_pu(struct pblk *pblk, struct ppa_addr ppa);
 void pblk_up_rq(struct pblk *pblk, unsigned long *lun_bitmap);
 int pblk_bio_add_pages(struct pblk *pblk, struct bio *bio, gfp_t flags,
 		       int nr_pages);
