From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>, Jason Gunthorpe <jgg@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>,
RDMA mailing list <linux-rdma@vger.kernel.org>,
Parav Pandit <parav@mellanox.com>
Subject: [PATCH rdma-next 5/7] RDMA/cma: Use refcount API to reflect refcount
Date: Sun, 26 Jan 2020 16:26:50 +0200 [thread overview]
Message-ID: <20200126142652.104803-6-leon@kernel.org> (raw)
In-Reply-To: <20200126142652.104803-1-leon@kernel.org>
From: Parav Pandit <parav@mellanox.com>
Use the refcount variant to capture the reference counting of the cma
device structure.
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
drivers/infiniband/core/cma.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 7e16d1b001ff..a5fd44194d77 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -199,7 +199,7 @@ struct cma_device {
struct list_head list;
struct ib_device *device;
struct completion comp;
- atomic_t refcount;
+ refcount_t refcount;
struct list_head id_list;
enum ib_gid_type *default_gid_type;
u8 *default_roce_tos;
@@ -249,12 +249,12 @@ enum {
void cma_dev_get(struct cma_device *cma_dev)
{
- atomic_inc(&cma_dev->refcount);
+ refcount_inc(&cma_dev->refcount);
}
void cma_dev_put(struct cma_device *cma_dev)
{
- if (atomic_dec_and_test(&cma_dev->refcount))
+ if (refcount_dec_and_test(&cma_dev->refcount))
complete(&cma_dev->comp);
}
@@ -4657,7 +4657,7 @@ static void cma_add_one(struct ib_device *device)
}
init_completion(&cma_dev->comp);
- atomic_set(&cma_dev->refcount, 1);
+ refcount_set(&cma_dev->refcount, 1);
INIT_LIST_HEAD(&cma_dev->id_list);
ib_set_client_data(device, &cma_client, cma_dev);
--
2.24.1
next prev parent reply other threads:[~2020-01-26 14:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-26 14:26 [PATCH rdma-next 0/7] CMA fix and small improvements Leon Romanovsky
2020-01-26 14:26 ` [PATCH rdma-next 1/7] RDMA/cma: Fix unbalanced cm_id reference count during address resolve Leon Romanovsky
2020-01-28 18:25 ` Jason Gunthorpe
2020-01-26 14:26 ` [PATCH rdma-next 2/7] RDMA/cma: Use helper function to enqueue resolve work item Leon Romanovsky
2020-01-26 14:26 ` [PATCH rdma-next 3/7] RDMA/cma: Use RDMA device port iterator Leon Romanovsky
2020-01-26 14:26 ` [PATCH rdma-next 4/7] RDMA/cma: Rename cma_device ref/deref helpers to to get/put Leon Romanovsky
2020-01-26 14:26 ` Leon Romanovsky [this message]
2020-01-26 14:26 ` [PATCH rdma-next 6/7] " Leon Romanovsky
2020-01-26 14:26 ` [PATCH rdma-next 7/7] RDMA/cma: Use refcount API to reflect refcount Leon Romanovsky
2020-02-11 18:01 ` [PATCH rdma-next 0/7] CMA fix and small improvements Jason Gunthorpe
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