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-rw-r--r--drivers/lightnvm/core.c41
1 files changed, 9 insertions, 32 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 18d4873..a1a7a5a 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -407,31 +407,17 @@ err_rmap:
return -ENOMEM;
}
-static int nvm_map_to_dev(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p)
+static void nvm_map_to_dev(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p)
{
struct nvm_dev_map *dev_map = tgt_dev->map;
struct nvm_ch_map *ch_map = &dev_map->chnls[p->g.ch];
int lun_off = ch_map->lun_offs[p->g.lun];
- struct nvm_dev *dev = tgt_dev->parent;
- struct nvm_dev_map *dev_rmap = dev->rmap;
- struct nvm_ch_map *ch_rmap;
- int lun_roff;
p->g.ch += ch_map->ch_off;
p->g.lun += lun_off;
-
- ch_rmap = &dev_rmap->chnls[p->g.ch];
- lun_roff = ch_rmap->lun_offs[p->g.lun];
-
- if (unlikely(ch_rmap->ch_off < 0 || lun_roff < 0)) {
- pr_err("nvm: corrupted device partition table\n");
- return -EINVAL;
- }
-
- return 0;
}
-static int nvm_map_to_tgt(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p)
+static void nvm_map_to_tgt(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p)
{
struct nvm_dev *dev = tgt_dev->parent;
struct nvm_dev_map *dev_rmap = dev->rmap;
@@ -440,34 +426,27 @@ static int nvm_map_to_tgt(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p)
p->g.ch -= ch_rmap->ch_off;
p->g.lun -= lun_roff;
-
- return 0;
}
-static int nvm_trans_rq(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd,
+static void nvm_trans_rq(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd,
int flag)
{
int i;
- int ret;
if (rqd->nr_ppas == 1) {
if (flag == TRANS_TGT_TO_DEV)
- return nvm_map_to_dev(tgt_dev, &rqd->ppa_addr);
+ nvm_map_to_dev(tgt_dev, &rqd->ppa_addr);
else
- return nvm_map_to_tgt(tgt_dev, &rqd->ppa_addr);
+ nvm_map_to_tgt(tgt_dev, &rqd->ppa_addr);
+ return;
}
for (i = 0; i < rqd->nr_ppas; i++) {
if (flag == TRANS_TGT_TO_DEV)
- ret = nvm_map_to_dev(tgt_dev, &rqd->ppa_list[i]);
+ nvm_map_to_dev(tgt_dev, &rqd->ppa_list[i]);
else
- ret = nvm_map_to_tgt(tgt_dev, &rqd->ppa_list[i]);
-
- if (ret)
- break;
+ nvm_map_to_tgt(tgt_dev, &rqd->ppa_list[i]);
}
-
- return ret;
}
static struct ppa_addr nvm_trans_ppa(struct nvm_tgt_dev *tgt_dev,
@@ -665,9 +644,7 @@ int nvm_erase_blk(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *ppas, int flags)
if (!dev->ops->erase_block)
return 0;
- ret = nvm_map_to_dev(tgt_dev, ppas);
- if (ret)
- return ret;
+ nvm_map_to_dev(tgt_dev, ppas);
memset(&rqd, 0, sizeof(struct nvm_rq));
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