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RDMA/cma: Use refcount API to reflect refcount 

Use a refcount_t for atomics being used as a refcount.

Link: https://lore.kernel.org/r/20200126142652.104803-8-leon@kernel.org
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2020-01-26 16:26:52 +02:00 committed by Jason Gunthorpe
parent e368d23f57
commit 43fb5892cd
2 changed files with 4 additions and 4 deletions
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6
drivers/infiniband/core/cma.c
View File

@ -842,12 +842,12 @@ found:
static void cma_id_get(struct rdma_id_private *id_priv)
{
atomic_inc(&id_priv->refcount);
refcount_inc(&id_priv->refcount);
}
static void cma_id_put(struct rdma_id_private *id_priv)
{
if (atomic_dec_and_test(&id_priv->refcount))
if (refcount_dec_and_test(&id_priv->refcount))
complete(&id_priv->comp);
}
@ -875,7 +875,7 @@ struct rdma_cm_id *__rdma_create_id(struct net *net,
spin_lock_init(&id_priv->lock);
mutex_init(&id_priv->qp_mutex);
init_completion(&id_priv->comp);
atomic_set(&id_priv->refcount, 1);
refcount_set(&id_priv->refcount, 1);
mutex_init(&id_priv->handler_mutex);
INIT_LIST_HEAD(&id_priv->listen_list);
INIT_LIST_HEAD(&id_priv->mc_list);

2
drivers/infiniband/core/cma_priv.h
View File

@ -66,7 +66,7 @@ struct rdma_id_private {
struct mutex qp_mutex;
struct completion comp;
atomic_t refcount;
refcount_t refcount;
struct mutex handler_mutex;
int backlog;