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RDMA/cma: Rename cma_device ref/deref helpers to to get/put

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Helper functions which increment/decrement reference count of the
structure read better when they are named with the get/put suffix.

Hence, rename cma_ref/deref_dev() to cma_dev_get/put().

Link: https://lore.kernel.org/r/20200126142652.104803-5-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 16:26:49 +02:00 committed by Jason Gunthorpe
parent cc055dd3a7
commit 5ff8c8fa44
3 changed files with 16 additions and 16 deletions
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22
drivers/infiniband/core/cma.c
View File

@ -247,11 +247,17 @@ enum {
CMA_OPTION_AFONLY,
};
void cma_ref_dev(struct cma_device *cma_dev)
void cma_dev_get(struct cma_device *cma_dev)
{
atomic_inc(&cma_dev->refcount);
}
void cma_dev_put(struct cma_device *cma_dev)
{
if (atomic_dec_and_test(&cma_dev->refcount))
complete(&cma_dev->comp);
}
struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
void *cookie)
{
@ -267,7 +273,7 @@ struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
}
if (found_cma_dev)
cma_ref_dev(found_cma_dev);
cma_dev_get(found_cma_dev);
mutex_unlock(&lock);
return found_cma_dev;
}
@ -463,7 +469,7 @@ static int cma_igmp_send(struct net_device *ndev, union ib_gid *mgid, bool join)
static void _cma_attach_to_dev(struct rdma_id_private *id_priv,
struct cma_device *cma_dev)
{
cma_ref_dev(cma_dev);
cma_dev_get(cma_dev);
id_priv->cma_dev = cma_dev;
id_priv->id.device = cma_dev->device;
id_priv->id.route.addr.dev_addr.transport =
@ -484,12 +490,6 @@ static void cma_attach_to_dev(struct rdma_id_private *id_priv,
rdma_start_port(cma_dev->device)];
}
void cma_deref_dev(struct cma_device *cma_dev)
{
if (atomic_dec_and_test(&cma_dev->refcount))
complete(&cma_dev->comp);
}
static inline void release_mc(struct kref *kref)
{
struct cma_multicast *mc = container_of(kref, struct cma_multicast, mcref);
@ -502,7 +502,7 @@ static void cma_release_dev(struct rdma_id_private *id_priv)
{
mutex_lock(&lock);
list_del(&id_priv->list);
cma_deref_dev(id_priv->cma_dev);
cma_dev_put(id_priv->cma_dev);
id_priv->cma_dev = NULL;
mutex_unlock(&lock);
}
@ -4728,7 +4728,7 @@ static void cma_process_remove(struct cma_device *cma_dev)
}
mutex_unlock(&lock);
cma_deref_dev(cma_dev);
cma_dev_put(cma_dev);
wait_for_completion(&cma_dev->comp);
}

6
drivers/infiniband/core/cma_configfs.c
View File

@ -94,7 +94,7 @@ static int cma_configfs_params_get(struct config_item *item,
static void cma_configfs_params_put(struct cma_device *cma_dev)
{
cma_deref_dev(cma_dev);
cma_dev_put(cma_dev);
}
static ssize_t default_roce_mode_show(struct config_item *item,
@ -312,12 +312,12 @@ static struct config_group *make_cma_dev(struct config_group *group,
configfs_add_default_group(&cma_dev_group->ports_group,
&cma_dev_group->device_group);
cma_deref_dev(cma_dev);
cma_dev_put(cma_dev);
return &cma_dev_group->device_group;
fail:
if (cma_dev)
cma_deref_dev(cma_dev);
cma_dev_put(cma_dev);
kfree(cma_dev_group);
return ERR_PTR(err);
}

4
drivers/infiniband/core/cma_priv.h
View File

@ -111,8 +111,8 @@ static inline void cma_configfs_exit(void)
}
#endif
void cma_ref_dev(struct cma_device *dev);
void cma_deref_dev(struct cma_device *dev);
void cma_dev_get(struct cma_device *dev);
void cma_dev_put(struct cma_device *dev);
typedef bool (*cma_device_filter)(struct ib_device *, void *);
struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
void *cookie);