[16/18] lightnvm: pblk: use nvm_rq_to_ppa_list()

Message ID	20190314160428.3559-17-igor.j.konopko@intel.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-block-owner@kernel.org> From: Igor Konopko <igor.j.konopko@intel.com> To: mb@lightnvm.io, javier@javigon.com, hans.holmberg@cnexlabs.com Cc: linux-block@vger.kernel.org, igor.j.konopko@intel.com Subject: [PATCH 16/18] lightnvm: pblk: use nvm_rq_to_ppa_list() Date: Thu, 14 Mar 2019 17:04:26 +0100 Message-Id: <20190314160428.3559-17-igor.j.konopko@intel.com> In-Reply-To: <20190314160428.3559-1-igor.j.konopko@intel.com> References: <20190314160428.3559-1-igor.j.konopko@intel.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk
Series	lightnvm: next set of improvements for 5.2 \| expand [00/18] lightnvm: next set of improvements for 5.2 [01/18] lightnvm: pblk: fix warning in pblk_l2p_init() [02/18] lightnvm: pblk: warn when there are opened chunks [03/18] lightnvm: pblk: simplify partial read path [04/18] lightnvm: pblk: OOB recovery for closed chunks fix [05/18] lightnvm: pblk: propagate errors when reading meta [06/18] lightnvm: pblk: recover only written metadata [07/18] lightnvm: pblk: wait for inflight IOs in recovery [08/18] lightnvm: pblk: fix spin_unlock order [09/18] lightnvm: pblk: kick writer on write recovery path [10/18] lightnvm: pblk: ensure that emeta is written [11/18] lightnvm: pblk: fix update line wp in OOB recovery [12/18] lightnvm: pblk: do not read OOB from emeta region [13/18] lightnvm: pblk: store multiple copies of smeta [14/18] lightnvm: pblk: GC error handling [15/18] lightnvm: pblk: fix in case of lack of lines [16/18] lightnvm: pblk: use nvm_rq_to_ppa_list() [17/18] lightnvm: allow to use full device path [18/18] lightnvm: track inflight target creations

Message ID

20190314160428.3559-17-igor.j.konopko@intel.com (mailing list archive)

State

New, archived

Headers

From: Igor Konopko <igor.j.konopko@intel.com>
To: mb@lightnvm.io, javier@javigon.com, hans.holmberg@cnexlabs.com
Cc: linux-block@vger.kernel.org, igor.j.konopko@intel.com
Subject: [PATCH 16/18] lightnvm: pblk: use nvm_rq_to_ppa_list()
Date: Thu, 14 Mar 2019 17:04:26 +0100
Message-Id: <20190314160428.3559-17-igor.j.konopko@intel.com>
In-Reply-To: <20190314160428.3559-1-igor.j.konopko@intel.com>
References: <20190314160428.3559-1-igor.j.konopko@intel.com>
Sender: linux-block-owner@vger.kernel.org
Precedence: bulk

Series

lightnvm: next set of improvements for 5.2 | expand

Commit Message

Igor Konopko March 14, 2019, 4:04 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 <igor.j.konopko@intel.com>
---
 drivers/lightnvm/pblk-core.c     | 26 ++++++++++++++------------
 drivers/lightnvm/pblk-recovery.c | 13 ++++++++-----
 2 files changed, 22 insertions(+), 17 deletions(-)

Comments

Javier González March 18, 2019, 7:48 a.m. UTC | #1

> On 14 Mar 2019, at 17.04, Igor Konopko <igor.j.konopko@intel.com> wrote:
> 
> 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 <igor.j.konopko@intel.com>
> ---
> drivers/lightnvm/pblk-core.c     | 26 ++++++++++++++------------
> drivers/lightnvm/pblk-recovery.c | 13 ++++++++-----
> 2 files changed, 22 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
> index 6817f8f..7338a44 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;
> 
> @@ -750,6 +749,7 @@ static int pblk_line_smeta_read_copy(struct pblk *pblk,
> 	rqd.opcode = NVM_OP_PREAD;
> 	rqd.nr_ppas = lm->smeta_sec / lm->smeta_copies;
> 	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);
> @@ -761,7 +761,7 @@ 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);
> 	}
> @@ -812,6 +812,7 @@ 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);
> @@ -863,6 +864,7 @@ static int pblk_line_smeta_write(struct pblk *pblk, struct pblk_line *line)
> 	rqd.opcode = NVM_OP_PWRITE;
> 	rqd.nr_ppas = smeta_cpy_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;
> @@ -875,7 +877,7 @@ 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;
> 	}
> @@ -911,8 +913,9 @@ 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;
> @@ -928,7 +931,7 @@ 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:
> @@ -949,11 +952,12 @@ 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);
> @@ -981,7 +985,7 @@ 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);
> @@ -1608,11 +1612,9 @@ 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 4e4db38..4051b93 100644
> --- a/drivers/lightnvm/pblk-recovery.c
> +++ b/drivers/lightnvm/pblk-recovery.c
> @@ -185,6 +185,7 @@ 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;
> @@ -245,6 +246,7 @@ 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; ) {
> @@ -272,17 +274,17 @@ 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);
> @@ -426,6 +428,7 @@ 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;
> @@ -444,7 +447,7 @@ 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);
> 	}
> 
> @@ -500,7 +503,7 @@ 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;
> --
> 2.9.5

This is a good fix. Thanks!

Reviewed-by: Javier González <javier@javigon.com>

diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 6817f8f..7338a44 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;
 
@@ -750,6 +749,7 @@  static int pblk_line_smeta_read_copy(struct pblk *pblk,
 	rqd.opcode = NVM_OP_PREAD;
 	rqd.nr_ppas = lm->smeta_sec / lm->smeta_copies;
 	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);
@@ -761,7 +761,7 @@  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);
 	}
@@ -812,6 +812,7 @@  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);
@@ -863,6 +864,7 @@  static int pblk_line_smeta_write(struct pblk *pblk, struct pblk_line *line)
 	rqd.opcode = NVM_OP_PWRITE;
 	rqd.nr_ppas = smeta_cpy_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;
@@ -875,7 +877,7 @@  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;
 	}
@@ -911,8 +913,9 @@  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;
@@ -928,7 +931,7 @@  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:
@@ -949,11 +952,12 @@  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);
@@ -981,7 +985,7 @@  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);
@@ -1608,11 +1612,9 @@  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 4e4db38..4051b93 100644
--- a/drivers/lightnvm/pblk-recovery.c
+++ b/drivers/lightnvm/pblk-recovery.c
@@ -185,6 +185,7 @@  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;
@@ -245,6 +246,7 @@  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; ) {
@@ -272,17 +274,17 @@  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);
@@ -426,6 +428,7 @@  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;
@@ -444,7 +447,7 @@  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);
 	}
 
@@ -500,7 +503,7 @@  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;

[16/18] lightnvm: pblk: use nvm_rq_to_ppa_list()

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