mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 23:53:55 +08:00
2a56a1fec2
Introduce sock->sk_cgrp_data which is a struct sock_cgroup_data. ->sk_cgroup_prioidx and ->sk_classid are moved into it. The struct and its accessors are defined in cgroup-defs.h. This is to prepare for overloading the fields with a cgroup pointer. This patch mostly performs equivalent conversions but the followings are noteworthy. * Equality test before updating classid is removed from sock_update_classid(). This shouldn't make any noticeable difference and a similar test will be implemented on the helper side later. * sock_update_netprioidx() now takes struct sock_cgroup_data and can be moved to netprio_cgroup.h without causing include dependency loop. Moved. * The dummy version of sock_update_netprioidx() converted to a static inline function while at it. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/*
|
|
* netprio_cgroup.h Control Group Priority set
|
|
*
|
|
*
|
|
* Authors: Neil Horman <nhorman@tuxdriver.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the Free
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
*/
|
|
|
|
#ifndef _NETPRIO_CGROUP_H
|
|
#define _NETPRIO_CGROUP_H
|
|
|
|
#include <linux/cgroup.h>
|
|
#include <linux/hardirq.h>
|
|
#include <linux/rcupdate.h>
|
|
|
|
#if IS_ENABLED(CONFIG_CGROUP_NET_PRIO)
|
|
struct netprio_map {
|
|
struct rcu_head rcu;
|
|
u32 priomap_len;
|
|
u32 priomap[];
|
|
};
|
|
|
|
static inline u32 task_netprioidx(struct task_struct *p)
|
|
{
|
|
struct cgroup_subsys_state *css;
|
|
u32 idx;
|
|
|
|
rcu_read_lock();
|
|
css = task_css(p, net_prio_cgrp_id);
|
|
idx = css->cgroup->id;
|
|
rcu_read_unlock();
|
|
return idx;
|
|
}
|
|
|
|
static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
|
|
{
|
|
if (in_interrupt())
|
|
return;
|
|
|
|
sock_cgroup_set_prioidx(skcd, task_netprioidx(current));
|
|
}
|
|
|
|
#else /* !CONFIG_CGROUP_NET_PRIO */
|
|
|
|
static inline u32 task_netprioidx(struct task_struct *p)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
|
|
{
|
|
}
|
|
|
|
#endif /* CONFIG_CGROUP_NET_PRIO */
|
|
#endif /* _NET_CLS_CGROUP_H */
|