diff options
| -rw-r--r-- | drivers/lightnvm/core.c | 41 |
1 files changed, 9 insertions, 32 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 18d48732fe74..a1a7a5a303bd 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)); |