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authorMatias Bjørling <m@bjorling.me>2016-07-07 09:54:18 +0200
committerJens Axboe <axboe@fb.com>2016-07-07 08:51:52 -0600
commit8c39eddbf2842861f6c7412bd498c9d880b1c9e8 (patch)
tree41652e6fd505281046fa5821163a65d719900002
parent5cd907853d5b777c11ecbc8de4482ea5f51663bc (diff)
lightnvm: remove unused lists from struct rrpc_block
The ->list, ->open_list, and ->closed_list lists were previously used for statistics. However, their usage have been removed, and thus these can safely be removed. Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@fb.com>
-rw-r--r--drivers/lightnvm/rrpc.c9
-rw-r--r--drivers/lightnvm/rrpc.h8
2 files changed, 0 insertions, 17 deletions
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index c3a6f34d3b7c..10ed22b9875d 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -205,7 +205,6 @@ static struct rrpc_block *rrpc_get_blk(struct rrpc *rrpc, struct rrpc_lun *rlun,
}
rblk = rrpc_get_rblk(rlun, blk->id);
- list_add_tail(&rblk->list, &rlun->open_list);
spin_unlock(&lun->lock);
blk->priv = rblk;
@@ -224,7 +223,6 @@ static void rrpc_put_blk(struct rrpc *rrpc, struct rrpc_block *rblk)
spin_lock(&lun->lock);
nvm_put_blk_unlocked(rrpc->dev, rblk->parent);
- list_del(&rblk->list);
spin_unlock(&lun->lock);
}
@@ -511,16 +509,11 @@ static void rrpc_gc_queue(struct work_struct *work)
struct rrpc *rrpc = gcb->rrpc;
struct rrpc_block *rblk = gcb->rblk;
struct rrpc_lun *rlun = rblk->rlun;
- struct nvm_lun *lun = rblk->parent->lun;
spin_lock(&rlun->lock);
list_add_tail(&rblk->prio, &rlun->prio_list);
spin_unlock(&rlun->lock);
- spin_lock(&lun->lock);
- list_move_tail(&rblk->list, &rlun->closed_list);
- spin_unlock(&lun->lock);
-
mempool_free(gcb, rrpc->gcb_pool);
pr_debug("nvm: block '%lu' is full, allow GC (sched)\n",
rblk->parent->id);
@@ -1194,8 +1187,6 @@ static int rrpc_luns_init(struct rrpc *rrpc, int lun_begin, int lun_end)
rlun->rrpc = rrpc;
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);
diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h
index 5797343c1b13..448e39a9c515 100644
--- a/drivers/lightnvm/rrpc.h
+++ b/drivers/lightnvm/rrpc.h
@@ -56,7 +56,6 @@ struct rrpc_block {
struct nvm_block *parent;
struct rrpc_lun *rlun;
struct list_head prio;
- struct list_head list;
#define MAX_INVALID_PAGES_STORAGE 8
/* Bitmap for invalid page intries */
@@ -77,13 +76,6 @@ struct rrpc_lun {
struct rrpc_block *blocks; /* Reference to block allocation */
struct list_head prio_list; /* Blocks that may be GC'ed */
- struct list_head open_list; /* In-use open blocks. These are blocks
- * that can be both written to and read
- * from
- */
- struct list_head closed_list; /* In-use closed blocks. These are
- * blocks that can _only_ be read from
- */
struct work_struct ws_gc;