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authorJon Maloy <jon.maloy@ericsson.com>2018-01-08 21:03:23 +0100
committerDavid S. Miller <davem@davemloft.net>2018-01-09 12:35:57 -0500
commit8d5dee21f6f01f4632c10b750709a1383eefc7aa (patch)
treec9c01a6877b1af9a221d60c31a2444ec5fb540c1
parenta67c01e209356590f5ceaa8be454c6ab4b99c95b (diff)
tipc: a couple of cleanups
- We remove the 'reclaiming' member list in struct tipc_group, since it doesn't serve any purpose. - We simplify the GRP_REMIT_MSG branch of tipc_group_protocol_rcv(). Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/tipc/group.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/net/tipc/group.c b/net/tipc/group.c
index 3e8268d966fa..e5daeb093879 100644
--- a/net/tipc/group.c
+++ b/net/tipc/group.c
@@ -85,7 +85,6 @@ struct tipc_group {
struct list_head small_win;
struct list_head pending;
struct list_head active;
- struct list_head reclaiming;
struct tipc_nlist dests;
struct net *net;
int subid;
@@ -172,7 +171,6 @@ struct tipc_group *tipc_group_create(struct net *net, u32 portid,
INIT_LIST_HEAD(&grp->small_win);
INIT_LIST_HEAD(&grp->active);
INIT_LIST_HEAD(&grp->pending);
- INIT_LIST_HEAD(&grp->reclaiming);
grp->members = RB_ROOT;
grp->net = net;
grp->portid = portid;
@@ -575,7 +573,7 @@ void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
if (!list_empty(active) && active_cnt >= reclaim_limit) {
rm = list_first_entry(active, struct tipc_member, list);
rm->state = MBR_RECLAIMING;
- list_move_tail(&rm->list, &grp->reclaiming);
+ list_del_init(&rm->list);
tipc_group_proto_xmit(grp, rm, GRP_RECLAIM_MSG, xmitq);
}
/* If max active, become pending and wait for reclaimed space */
@@ -600,12 +598,12 @@ void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
if (m->advertised > ADV_IDLE)
break;
m->state = MBR_JOINED;
+ grp->active_cnt--;
if (m->advertised < ADV_IDLE) {
pr_warn_ratelimited("Rcv unexpected msg after REMIT\n");
tipc_group_proto_xmit(grp, m, GRP_ADV_MSG, xmitq);
}
- grp->active_cnt--;
- list_del_init(&m->list);
+
if (list_empty(&grp->pending))
return;
@@ -761,18 +759,14 @@ void tipc_group_proto_rcv(struct tipc_group *grp, bool *usr_wakeup,
m->advertised = ADV_IDLE + in_flight;
return;
}
- /* All messages preceding the REMIT have been read */
- if (m->advertised <= remitted) {
- m->state = MBR_JOINED;
- in_flight = 0;
- }
- /* ..and the REMIT overtaken by more messages => re-advertise */
+ /* This should never happen */
if (m->advertised < remitted)
- tipc_group_proto_xmit(grp, m, GRP_ADV_MSG, xmitq);
+ pr_warn_ratelimited("Unexpected REMIT msg\n");
- m->advertised = ADV_IDLE + in_flight;
+ /* All messages preceding the REMIT have been read */
+ m->state = MBR_JOINED;
grp->active_cnt--;
- list_del_init(&m->list);
+ m->advertised = ADV_IDLE;
/* Set oldest pending member to active and advertise */
if (list_empty(&grp->pending))