diff options
Diffstat (limited to 'drivers/lightnvm/rrpc.c')
-rw-r--r-- | drivers/lightnvm/rrpc.c | 38 |
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); |