summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/lightnvm/gennvm.c14
-rw-r--r--include/linux/lightnvm.h2
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index c0d0eb2357a8..43c01e0af887 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -60,6 +60,8 @@ static int gennvm_luns_init(struct nvm_dev *dev, struct gen_nvm *gn)
lun->vlun.lun_id = i % dev->luns_per_chnl;
lun->vlun.chnl_id = i / dev->luns_per_chnl;
lun->vlun.nr_free_blocks = dev->blks_per_lun;
+ lun->vlun.nr_inuse_blocks = 0;
+ lun->vlun.nr_bad_blocks = 0;
}
return 0;
}
@@ -87,6 +89,7 @@ static int gennvm_block_bb(struct ppa_addr ppa, int nr_blocks, u8 *blks,
}
list_move_tail(&blk->list, &lun->bb_list);
+ lun->vlun.nr_bad_blocks++;
}
return 0;
@@ -139,6 +142,7 @@ static int gennvm_block_map(u64 slba, u32 nlb, __le64 *entries, void *private)
list_move_tail(&blk->list, &lun->used_list);
blk->type = 1;
lun->vlun.nr_free_blocks--;
+ lun->vlun.nr_inuse_blocks++;
}
}
@@ -167,8 +171,10 @@ static int gennvm_blocks_init(struct nvm_dev *dev, struct gen_nvm *gn)
block->id = cur_block_id++;
/* First block is reserved for device */
- if (unlikely(lun_iter == 0 && blk_iter == 0))
+ if (unlikely(lun_iter == 0 && blk_iter == 0)) {
+ lun->vlun.nr_free_blocks--;
continue;
+ }
list_add_tail(&block->list, &lun->free_list);
}
@@ -266,6 +272,7 @@ static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev,
blk->type = 1;
lun->vlun.nr_free_blocks--;
+ lun->vlun.nr_inuse_blocks++;
spin_unlock(&vlun->lock);
out:
@@ -283,16 +290,21 @@ static void gennvm_put_blk(struct nvm_dev *dev, struct nvm_block *blk)
case 1:
list_move_tail(&blk->list, &lun->free_list);
lun->vlun.nr_free_blocks++;
+ lun->vlun.nr_inuse_blocks--;
blk->type = 0;
break;
case 2:
list_move_tail(&blk->list, &lun->bb_list);
+ lun->vlun.nr_bad_blocks++;
+ lun->vlun.nr_inuse_blocks--;
break;
default:
WARN_ON_ONCE(1);
pr_err("gennvm: erroneous block type (%lu -> %u)\n",
blk->id, blk->type);
list_move_tail(&blk->list, &lun->bb_list);
+ lun->vlun.nr_bad_blocks++;
+ lun->vlun.nr_inuse_blocks--;
}
spin_unlock(&vlun->lock);
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index cbe288acb1de..831a20cf070c 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -213,7 +213,9 @@ struct nvm_lun {
int lun_id;
int chnl_id;
+ unsigned int nr_inuse_blocks; /* Number of used blocks */
unsigned int nr_free_blocks; /* Number of unused blocks */
+ unsigned int nr_bad_blocks; /* Number of bad blocks */
struct nvm_block *blocks;
spinlock_t lock;