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linux-next/drivers/infiniband/core/cgroup.c
Parav Pandit 7527a7b157 IB/core: Simplify rdma cgroup registration
RDMA cgroup registration routine always returns success, so simplify
function to be void and run clang formatter over whole CONFIG_CGROUP_RDMA
art of core_priv.h.

This reduces unwinding error path for regular registration and future net
namespace change functionality for rdma device.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-01-18 13:43:10 -07:00

62 lines
1.9 KiB
C

/*
* Copyright (C) 2016 Parav Pandit <pandit.parav@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include "core_priv.h"
/**
* ib_device_register_rdmacg - register with rdma cgroup.
* @device: device to register to participate in resource
* accounting by rdma cgroup.
*
* Register with the rdma cgroup. Should be called before
* exposing rdma device to user space applications to avoid
* resource accounting leak.
*/
void ib_device_register_rdmacg(struct ib_device *device)
{
device->cg_device.name = device->name;
rdmacg_register_device(&device->cg_device);
}
/**
* ib_device_unregister_rdmacg - unregister with rdma cgroup.
* @device: device to unregister.
*
* Unregister with the rdma cgroup. Should be called after
* all the resources are deallocated, and after a stage when any
* other resource allocation by user application cannot be done
* for this device to avoid any leak in accounting.
*/
void ib_device_unregister_rdmacg(struct ib_device *device)
{
rdmacg_unregister_device(&device->cg_device);
}
int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
struct ib_device *device,
enum rdmacg_resource_type resource_index)
{
return rdmacg_try_charge(&cg_obj->cg, &device->cg_device,
resource_index);
}
EXPORT_SYMBOL(ib_rdmacg_try_charge);
void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
struct ib_device *device,
enum rdmacg_resource_type resource_index)
{
rdmacg_uncharge(cg_obj->cg, &device->cg_device,
resource_index);
}
EXPORT_SYMBOL(ib_rdmacg_uncharge);