[v3,09/10] lightnvm: pblk: use nvm_rq_to_ppa_list()

Commit Message

Igor Konopko March 27, 2019, 12:39 p.m. UTC

This patch replaces few remaining usages of rqd->ppa_list[] with
existing nvm_rq_to_ppa_list() helpers. This is needed for theoretical
devices with ws_min/ws_opt equal to 1.

Signed-off-by: Igor Konopko <[e-mail]>
Reviewed-by: Javier González <[e-mail]>
---
 drivers/lightnvm/pblk-core.c     | 26 ++++++++++++++------------
 drivers/lightnvm/pblk-recovery.c | 13 ++++++++-----
 2 files changed, 22 insertions(+), 17 deletions(-)

Patch

diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 1b88e5e..cd99c8c 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -562,11 +562,9 @@  int pblk_submit_io_sync(struct pblk *pblk, struct nvm_rq *rqd)
 
 int pblk_submit_io_sync_sem(struct pblk *pblk, struct nvm_rq *rqd)
 {
-	struct ppa_addr *ppa_list;
+	struct ppa_addr *ppa_list = nvm_rq_to_ppa_list(rqd);
 	int ret;
 
-	ppa_list = (rqd->nr_ppas > 1) ? rqd->ppa_list : &rqd->ppa_addr;
-
 	pblk_down_chunk(pblk, ppa_list[0]);
 	ret = pblk_submit_io_sync(pblk, rqd);
 	pblk_up_chunk(pblk, ppa_list[0]);
@@ -727,6 +725,7 @@  static int pblk_line_smeta_read_copy(struct pblk *pblk,
 	struct nvm_geo *geo = &dev->geo;
 	struct pblk_line_meta *lm = &pblk->lm;
 	struct bio *bio;
+	struct ppa_addr *ppa_list;
 	struct nvm_rq rqd;
 	int i, ret;
 
@@ -749,6 +748,7 @@  static int pblk_line_smeta_read_copy(struct pblk *pblk,
 	rqd.opcode = NVM_OP_PREAD;
 	rqd.nr_ppas = lm->smeta_sec;
 	rqd.is_seq = 1;
+	ppa_list = nvm_rq_to_ppa_list(&rqd);
 
 	for (i = 0; i < rqd.nr_ppas; i++, paddr++) {
 		struct ppa_addr ppa = addr_to_gen_ppa(pblk, paddr, line->id);
@@ -760,7 +760,7 @@  static int pblk_line_smeta_read_copy(struct pblk *pblk,
 			pos = pblk_ppa_to_pos(geo, ppa);
 		}
 
-		rqd.ppa_list[i] = ppa;
+		ppa_list[i] = ppa;
 		pblk_get_meta(pblk, rqd.meta_list, i)->lba =
 				  cpu_to_le64(ADDR_EMPTY);
 	}
@@ -811,6 +811,7 @@  static int pblk_line_smeta_write(struct pblk *pblk, struct pblk_line *line)
 	struct nvm_geo *geo = &dev->geo;
 	struct pblk_line_meta *lm = &pblk->lm;
 	struct bio *bio;
+	struct ppa_addr *ppa_list;
 	struct nvm_rq rqd;
 	__le64 *lba_list = emeta_to_lbas(pblk, line->emeta->buf);
 	__le64 addr_empty = cpu_to_le64(ADDR_EMPTY);
@@ -862,6 +863,7 @@  static int pblk_line_smeta_write(struct pblk *pblk, struct pblk_line *line)
 	rqd.opcode = NVM_OP_PWRITE;
 	rqd.nr_ppas = smeta_wr_sec;
 	rqd.is_seq = 1;
+	ppa_list = nvm_rq_to_ppa_list(&rqd);
 
 	for (i = 0; i < rqd.nr_ppas; i++, paddr++) {
 		void *meta_list = rqd.meta_list;
@@ -874,7 +876,7 @@  static int pblk_line_smeta_write(struct pblk *pblk, struct pblk_line *line)
 			pos = pblk_ppa_to_pos(geo, ppa);
 		}
 
-		rqd.ppa_list[i] = ppa;
+		ppa_list[i] = ppa;
 		pblk_get_meta(pblk, meta_list, i)->lba = addr_empty;
 		lba_list[paddr] = addr_empty;
 	}
@@ -910,8 +912,9 @@  int pblk_line_emeta_read(struct pblk *pblk, struct pblk_line *line,
 	struct nvm_geo *geo = &dev->geo;
 	struct pblk_line_mgmt *l_mg = &pblk->l_mg;
 	struct pblk_line_meta *lm = &pblk->lm;
-	void *ppa_list, *meta_list;
+	void *ppa_list_buf, *meta_list;
 	struct bio *bio;
+	struct ppa_addr *ppa_list;
 	struct nvm_rq rqd;
 	u64 paddr = line->emeta_ssec;
 	dma_addr_t dma_ppa_list, dma_meta_list;
@@ -927,7 +930,7 @@  int pblk_line_emeta_read(struct pblk *pblk, struct pblk_line *line,
 	if (!meta_list)
 		return -ENOMEM;
 
-	ppa_list = meta_list + pblk_dma_meta_size(pblk);
+	ppa_list_buf = meta_list + pblk_dma_meta_size(pblk);
 	dma_ppa_list = dma_meta_list + pblk_dma_meta_size(pblk);
 
 next_rq:
@@ -948,11 +951,12 @@  int pblk_line_emeta_read(struct pblk *pblk, struct pblk_line *line,
 
 	rqd.bio = bio;
 	rqd.meta_list = meta_list;
-	rqd.ppa_list = ppa_list;
+	rqd.ppa_list = ppa_list_buf;
 	rqd.dma_meta_list = dma_meta_list;
 	rqd.dma_ppa_list = dma_ppa_list;
 	rqd.opcode = NVM_OP_PREAD;
 	rqd.nr_ppas = rq_ppas;
+	ppa_list = nvm_rq_to_ppa_list(&rqd);
 
 	for (i = 0; i < rqd.nr_ppas; ) {
 		struct ppa_addr ppa = addr_to_gen_ppa(pblk, paddr, line_id);
@@ -980,7 +984,7 @@  int pblk_line_emeta_read(struct pblk *pblk, struct pblk_line *line,
 		}
 
 		for (j = 0; j < min; j++, i++, paddr++)
-			rqd.ppa_list[i] = addr_to_gen_ppa(pblk, paddr, line_id);
+			ppa_list[i] = addr_to_gen_ppa(pblk, paddr, line_id);
 	}
 
 	ret = pblk_submit_io_sync(pblk, &rqd);
@@ -1605,11 +1609,9 @@  void pblk_ppa_to_line_put(struct pblk *pblk, struct ppa_addr ppa)
 
 void pblk_rq_to_line_put(struct pblk *pblk, struct nvm_rq *rqd)
 {
-	struct ppa_addr *ppa_list;
+	struct ppa_addr *ppa_list = nvm_rq_to_ppa_list(rqd);
 	int i;
 
-	ppa_list = (rqd->nr_ppas > 1) ? rqd->ppa_list : &rqd->ppa_addr;
-
 	for (i = 0; i < rqd->nr_ppas; i++)
 		pblk_ppa_to_line_put(pblk, ppa_list[i]);
 }
diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c
index 9a992af..2fca21e 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -181,6 +181,7 @@  static int pblk_recov_pad_line(struct pblk *pblk, struct pblk_line *line,
 	struct pblk_pad_rq *pad_rq;
 	struct nvm_rq *rqd;
 	struct bio *bio;
+	struct ppa_addr *ppa_list;
 	void *data;
 	__le64 *lba_list = emeta_to_lbas(pblk, line->emeta->buf);
 	u64 w_ptr = line->cur_sec;
@@ -241,6 +242,7 @@  static int pblk_recov_pad_line(struct pblk *pblk, struct pblk_line *line,
 	rqd->end_io = pblk_end_io_recov;
 	rqd->private = pad_rq;
 
+	ppa_list = nvm_rq_to_ppa_list(rqd);
 	meta_list = rqd->meta_list;
 
 	for (i = 0; i < rqd->nr_ppas; ) {
@@ -268,17 +270,17 @@  static int pblk_recov_pad_line(struct pblk *pblk, struct pblk_line *line,
 			lba_list[w_ptr] = addr_empty;
 			meta = pblk_get_meta(pblk, meta_list, i);
 			meta->lba = addr_empty;
-			rqd->ppa_list[i] = dev_ppa;
+			ppa_list[i] = dev_ppa;
 		}
 	}
 
 	kref_get(&pad_rq->ref);
-	pblk_down_chunk(pblk, rqd->ppa_list[0]);
+	pblk_down_chunk(pblk, ppa_list[0]);
 
 	ret = pblk_submit_io(pblk, rqd);
 	if (ret) {
 		pblk_err(pblk, "I/O submission failed: %d\n", ret);
-		pblk_up_chunk(pblk, rqd->ppa_list[0]);
+		pblk_up_chunk(pblk, ppa_list[0]);
 		kref_put(&pad_rq->ref, pblk_recov_complete);
 		pblk_free_rqd(pblk, rqd, PBLK_WRITE_INT);
 		bio_put(bio);
@@ -424,6 +426,7 @@  static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line,
 	rqd->ppa_list = ppa_list;
 	rqd->dma_ppa_list = dma_ppa_list;
 	rqd->dma_meta_list = dma_meta_list;
+	ppa_list = nvm_rq_to_ppa_list(rqd);
 
 	if (pblk_io_aligned(pblk, rq_ppas))
 		rqd->is_seq = 1;
@@ -442,7 +445,7 @@  static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line,
 		}
 
 		for (j = 0; j < pblk->min_write_pgs; j++, i++)
-			rqd->ppa_list[i] =
+			ppa_list[i] =
 				addr_to_gen_ppa(pblk, paddr + j, line->id);
 	}
 
@@ -490,7 +493,7 @@  static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line,
 			continue;
 
 		line->nr_valid_lbas++;
-		pblk_update_map(pblk, lba, rqd->ppa_list[i]);
+		pblk_update_map(pblk, lba, ppa_list[i]);
 	}
 
 	left_ppas -= rq_ppas;