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path: root/drivers/lightnvm/rrpc.c
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Diffstat (limited to 'drivers/lightnvm/rrpc.c')
-rw-r--r--drivers/lightnvm/rrpc.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 280350c24cec..d8c75958ced3 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -179,16 +179,23 @@ static void rrpc_set_lun_cur(struct rrpc_lun *rlun, struct rrpc_block *rblk)
static struct rrpc_block *rrpc_get_blk(struct rrpc *rrpc, struct rrpc_lun *rlun,
unsigned long flags)
{
+ struct nvm_lun *lun = rlun->parent;
struct nvm_block *blk;
struct rrpc_block *rblk;
- blk = nvm_get_blk(rrpc->dev, rlun->parent, flags);
- if (!blk)
+ spin_lock(&lun->lock);
+ blk = nvm_get_blk_unlocked(rrpc->dev, rlun->parent, flags);
+ if (!blk) {
+ pr_err("nvm: rrpc: cannot get new block from media manager\n");
+ spin_unlock(&lun->lock);
return NULL;
+ }
rblk = &rlun->blocks[blk->id];
- blk->priv = rblk;
+ list_add_tail(&rblk->list, &rlun->open_list);
+ spin_unlock(&lun->lock);
+ blk->priv = rblk;
bitmap_zero(rblk->invalid_pages, rrpc->dev->pgs_per_blk);
rblk->next_page = 0;
rblk->nr_invalid_pages = 0;
@@ -199,7 +206,13 @@ static struct rrpc_block *rrpc_get_blk(struct rrpc *rrpc, struct rrpc_lun *rlun,
static void rrpc_put_blk(struct rrpc *rrpc, struct rrpc_block *rblk)
{
- nvm_put_blk(rrpc->dev, rblk->parent);
+ struct rrpc_lun *rlun = rblk->rlun;
+ struct nvm_lun *lun = rlun->parent;
+
+ spin_lock(&lun->lock);
+ nvm_put_blk_unlocked(rrpc->dev, rblk->parent);
+ list_del(&rblk->list);
+ spin_unlock(&lun->lock);
}
static void rrpc_put_blks(struct rrpc *rrpc)
@@ -653,8 +666,20 @@ static void rrpc_end_io_write(struct rrpc *rrpc, struct rrpc_rq *rrqd,
lun = rblk->parent->lun;
cmnt_size = atomic_inc_return(&rblk->data_cmnt_size);
- if (unlikely(cmnt_size == rrpc->dev->pgs_per_blk))
+ if (unlikely(cmnt_size == rrpc->dev->pgs_per_blk)) {
+ struct nvm_block *blk = rblk->parent;
+ struct rrpc_lun *rlun = rblk->rlun;
+
+ spin_lock(&lun->lock);
+ lun->nr_open_blocks--;
+ lun->nr_closed_blocks++;
+ blk->state &= ~NVM_BLK_ST_OPEN;
+ blk->state |= NVM_BLK_ST_CLOSED;
+ list_move_tail(&rblk->list, &rlun->closed_list);
+ spin_unlock(&lun->lock);
+
rrpc_run_gc(rrpc, rblk);
+ }
}
}
@@ -1134,6 +1159,9 @@ static int rrpc_luns_init(struct rrpc *rrpc, int lun_begin, int lun_end)
rlun->rrpc = rrpc;
rlun->parent = lun;
INIT_LIST_HEAD(&rlun->prio_list);
+ INIT_LIST_HEAD(&rlun->open_list);
+ INIT_LIST_HEAD(&rlun->closed_list);
+
INIT_WORK(&rlun->ws_gc, rrpc_lun_gc);
spin_lock_init(&rlun->lock);