[PATCH 16/28] lightnvm: refactor set_bb_tbl for accepting ppa list

From: Matias BjÃrling
Date: Fri May 06 2016 - 14:09:28 EST


The set_bb_tbl takes struct nvm_rq and only uses its ppa_list and
nr_pages internally. Instead, make these two variables explicit.
This allows a user to call it without initializing a struct nvm_rq
first.

Signed-off-by: Matias BjÃrling <m@xxxxxxxxxxx>
---
drivers/lightnvm/sysblk.c | 2 +-
drivers/nvme/host/lightnvm.c | 8 ++++----
include/linux/lightnvm.h | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/lightnvm/sysblk.c b/drivers/lightnvm/sysblk.c
index 737fbc3..b98ca19 100644
--- a/drivers/lightnvm/sysblk.c
+++ b/drivers/lightnvm/sysblk.c
@@ -280,7 +280,7 @@ static int nvm_set_bb_tbl(struct nvm_dev *dev, struct sysblk_scan *s, int type)
nvm_set_rqd_ppalist(dev, &rqd, s->ppas, s->nr_ppas, 1);
nvm_generic_to_addr_mode(dev, &rqd);

- ret = dev->ops->set_bb_tbl(dev, &rqd, type);
+ ret = dev->ops->set_bb_tbl(dev, &rqd.ppa_addr, rqd.nr_pages, type);
nvm_free_rqd_ppalist(dev, &rqd);
if (ret) {
pr_err("nvm: sysblk failed bb mark\n");
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 45e3511..d426d95 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -441,8 +441,8 @@ out:
return ret;
}

-static int nvme_nvm_set_bb_tbl(struct nvm_dev *nvmdev, struct nvm_rq *rqd,
- int type)
+static int nvme_nvm_set_bb_tbl(struct nvm_dev *nvmdev, struct ppa_addr *ppas,
+ int nr_ppas, int type)
{
struct nvme_ns *ns = nvmdev->q->queuedata;
struct nvme_nvm_command c = {};
@@ -450,8 +450,8 @@ static int nvme_nvm_set_bb_tbl(struct nvm_dev *nvmdev, struct nvm_rq *rqd,

c.set_bb.opcode = nvme_nvm_admin_set_bb_tbl;
c.set_bb.nsid = cpu_to_le32(ns->ns_id);
- c.set_bb.spba = cpu_to_le64(rqd->ppa_addr.ppa);
- c.set_bb.nlb = cpu_to_le16(rqd->nr_pages - 1);
+ c.set_bb.spba = cpu_to_le64(ppas->ppa);
+ c.set_bb.nlb = cpu_to_le16(nr_ppas - 1);
c.set_bb.value = type;

ret = nvme_submit_sync_cmd(ns->ctrl->admin_q, (struct nvme_command *)&c,
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 9ae0b7c..af72ca7 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -45,7 +45,7 @@ typedef int (nvm_id_fn)(struct nvm_dev *, struct nvm_id *);
typedef int (nvm_get_l2p_tbl_fn)(struct nvm_dev *, u64, u32,
nvm_l2p_update_fn *, void *);
typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, u8 *);
-typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct nvm_rq *, int);
+typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct ppa_addr *, int, int);
typedef int (nvm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *);
typedef int (nvm_erase_blk_fn)(struct nvm_dev *, struct nvm_rq *);
typedef void *(nvm_create_dma_pool_fn)(struct nvm_dev *, char *);
--
2.1.4