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authorCong Wang <xiyou.wangcong@gmail.com>2018-05-23 15:26:53 -0700
committerDavid S. Miller <davem@davemloft.net>2018-05-24 22:56:15 -0400
commitaaa908ffbee18a65529b716efb346a626e81559a (patch)
tree0ff6902780f9a964ac1b8fe8ea6a2bb7d7898cc7 /net/sched/cls_rsvp.h
parentMerge branch 'Mirroring-tests-involving-VLAN' (diff)
downloadlinux-dev-aaa908ffbee18a65529b716efb346a626e81559a.tar.xz
linux-dev-aaa908ffbee18a65529b716efb346a626e81559a.zip
net_sched: switch to rcu_work
Commit 05f0fe6b74db ("RCU, workqueue: Implement rcu_work") introduces new API's for dispatching work in a RCU callback. Now we can just switch to the new API's for tc filters. This could get rid of a lot of code. Cc: Tejun Heo <tj@kernel.org> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_rsvp.h')
-rw-r--r--net/sched/cls_rsvp.h20
1 files changed, 5 insertions, 15 deletions
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 4f1297657c27..e9ccf7daea7d 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -97,10 +97,7 @@ struct rsvp_filter {
u32 handle;
struct rsvp_session *sess;
- union {
- struct work_struct work;
- struct rcu_head rcu;
- };
+ struct rcu_work rwork;
};
static inline unsigned int hash_dst(__be32 *dst, u8 protocol, u8 tunnelid)
@@ -294,21 +291,14 @@ static void __rsvp_delete_filter(struct rsvp_filter *f)
static void rsvp_delete_filter_work(struct work_struct *work)
{
- struct rsvp_filter *f = container_of(work, struct rsvp_filter, work);
-
+ struct rsvp_filter *f = container_of(to_rcu_work(work),
+ struct rsvp_filter,
+ rwork);
rtnl_lock();
__rsvp_delete_filter(f);
rtnl_unlock();
}
-static void rsvp_delete_filter_rcu(struct rcu_head *head)
-{
- struct rsvp_filter *f = container_of(head, struct rsvp_filter, rcu);
-
- INIT_WORK(&f->work, rsvp_delete_filter_work);
- tcf_queue_work(&f->work);
-}
-
static void rsvp_delete_filter(struct tcf_proto *tp, struct rsvp_filter *f)
{
tcf_unbind_filter(tp, &f->res);
@@ -317,7 +307,7 @@ static void rsvp_delete_filter(struct tcf_proto *tp, struct rsvp_filter *f)
* in cleanup() callback
*/
if (tcf_exts_get_net(&f->exts))
- call_rcu(&f->rcu, rsvp_delete_filter_rcu);
+ tcf_queue_work(&f->rwork, rsvp_delete_filter_work);
else
__rsvp_delete_filter(f);
}