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author | Ingo Molnar <mingo@kernel.org> | 2014-11-16 10:50:25 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-11-16 10:50:25 +0100 |
commit | e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec (patch) | |
tree | 863e0e108f7b7ba2dffc7575bbdfc2d454fc2017 /net/tipc | |
parent | 44dba3d5d6a10685fb15bd1954e62016334825e0 (diff) | |
parent | 6e998916dfe327e785e7c2447959b2c1a3ea4930 (diff) | |
download | op-kernel-dev-e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec.zip op-kernel-dev-e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec.tar.gz |
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying more changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/tipc')
-rw-r--r-- | net/tipc/node.c | 46 | ||||
-rw-r--r-- | net/tipc/node.h | 7 | ||||
-rw-r--r-- | net/tipc/socket.c | 6 |
3 files changed, 37 insertions, 22 deletions
diff --git a/net/tipc/node.c b/net/tipc/node.c index 90cee4a..5781634 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -219,11 +219,11 @@ void tipc_node_abort_sock_conns(struct list_head *conns) void tipc_node_link_up(struct tipc_node *n_ptr, struct tipc_link *l_ptr) { struct tipc_link **active = &n_ptr->active_links[0]; - u32 addr = n_ptr->addr; n_ptr->working_links++; - tipc_nametbl_publish(TIPC_LINK_STATE, addr, addr, TIPC_NODE_SCOPE, - l_ptr->bearer_id, addr); + n_ptr->action_flags |= TIPC_NOTIFY_LINK_UP; + n_ptr->link_id = l_ptr->peer_bearer_id << 16 | l_ptr->bearer_id; + pr_info("Established link <%s> on network plane %c\n", l_ptr->name, l_ptr->net_plane); @@ -284,10 +284,10 @@ static void node_select_active_links(struct tipc_node *n_ptr) void tipc_node_link_down(struct tipc_node *n_ptr, struct tipc_link *l_ptr) { struct tipc_link **active; - u32 addr = n_ptr->addr; n_ptr->working_links--; - tipc_nametbl_withdraw(TIPC_LINK_STATE, addr, l_ptr->bearer_id, addr); + n_ptr->action_flags |= TIPC_NOTIFY_LINK_DOWN; + n_ptr->link_id = l_ptr->peer_bearer_id << 16 | l_ptr->bearer_id; if (!tipc_link_is_active(l_ptr)) { pr_info("Lost standby link <%s> on network plane %c\n", @@ -552,28 +552,30 @@ void tipc_node_unlock(struct tipc_node *node) LIST_HEAD(conn_sks); struct sk_buff_head waiting_sks; u32 addr = 0; - unsigned int flags = node->action_flags; + int flags = node->action_flags; + u32 link_id = 0; - if (likely(!node->action_flags)) { + if (likely(!flags)) { spin_unlock_bh(&node->lock); return; } + addr = node->addr; + link_id = node->link_id; __skb_queue_head_init(&waiting_sks); - if (node->action_flags & TIPC_WAKEUP_USERS) { + + if (flags & TIPC_WAKEUP_USERS) skb_queue_splice_init(&node->waiting_sks, &waiting_sks); - node->action_flags &= ~TIPC_WAKEUP_USERS; - } - if (node->action_flags & TIPC_NOTIFY_NODE_DOWN) { + + if (flags & TIPC_NOTIFY_NODE_DOWN) { list_replace_init(&node->nsub, &nsub_list); list_replace_init(&node->conn_sks, &conn_sks); - node->action_flags &= ~TIPC_NOTIFY_NODE_DOWN; } - if (node->action_flags & TIPC_NOTIFY_NODE_UP) { - node->action_flags &= ~TIPC_NOTIFY_NODE_UP; - addr = node->addr; - } - node->action_flags &= ~TIPC_WAKEUP_BCAST_USERS; + node->action_flags &= ~(TIPC_WAKEUP_USERS | TIPC_NOTIFY_NODE_DOWN | + TIPC_NOTIFY_NODE_UP | TIPC_NOTIFY_LINK_UP | + TIPC_NOTIFY_LINK_DOWN | + TIPC_WAKEUP_BCAST_USERS); + spin_unlock_bh(&node->lock); while (!skb_queue_empty(&waiting_sks)) @@ -588,6 +590,14 @@ void tipc_node_unlock(struct tipc_node *node) if (flags & TIPC_WAKEUP_BCAST_USERS) tipc_bclink_wakeup_users(); - if (addr) + if (flags & TIPC_NOTIFY_NODE_UP) tipc_named_node_up(addr); + + if (flags & TIPC_NOTIFY_LINK_UP) + tipc_nametbl_publish(TIPC_LINK_STATE, addr, addr, + TIPC_NODE_SCOPE, link_id, addr); + + if (flags & TIPC_NOTIFY_LINK_DOWN) + tipc_nametbl_withdraw(TIPC_LINK_STATE, addr, + link_id, addr); } diff --git a/net/tipc/node.h b/net/tipc/node.h index 67513c3..04e9145 100644 --- a/net/tipc/node.h +++ b/net/tipc/node.h @@ -53,6 +53,7 @@ * TIPC_WAIT_OWN_LINKS_DOWN: wait until peer node is declared down * TIPC_NOTIFY_NODE_DOWN: notify node is down * TIPC_NOTIFY_NODE_UP: notify node is up + * TIPC_DISTRIBUTE_NAME: publish or withdraw link state name type */ enum { TIPC_WAIT_PEER_LINKS_DOWN = (1 << 1), @@ -60,7 +61,9 @@ enum { TIPC_NOTIFY_NODE_DOWN = (1 << 3), TIPC_NOTIFY_NODE_UP = (1 << 4), TIPC_WAKEUP_USERS = (1 << 5), - TIPC_WAKEUP_BCAST_USERS = (1 << 6) + TIPC_WAKEUP_BCAST_USERS = (1 << 6), + TIPC_NOTIFY_LINK_UP = (1 << 7), + TIPC_NOTIFY_LINK_DOWN = (1 << 8) }; /** @@ -100,6 +103,7 @@ struct tipc_node_bclink { * @working_links: number of working links to node (both active and standby) * @link_cnt: number of links to node * @signature: node instance identifier + * @link_id: local and remote bearer ids of changing link, if any * @nsub: list of "node down" subscriptions monitoring node * @rcu: rcu struct for tipc_node */ @@ -116,6 +120,7 @@ struct tipc_node { int link_cnt; int working_links; u32 signature; + u32 link_id; struct list_head nsub; struct sk_buff_head waiting_sks; struct list_head conn_sks; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 75275c5..51bddc2 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -1776,7 +1776,7 @@ int tipc_sk_rcv(struct sk_buff *buf) sk = &tsk->sk; /* Queue message */ - bh_lock_sock(sk); + spin_lock_bh(&sk->sk_lock.slock); if (!sock_owned_by_user(sk)) { rc = filter_rcv(sk, buf); @@ -1787,7 +1787,7 @@ int tipc_sk_rcv(struct sk_buff *buf) if (sk_add_backlog(sk, buf, limit)) rc = -TIPC_ERR_OVERLOAD; } - bh_unlock_sock(sk); + spin_unlock_bh(&sk->sk_lock.slock); tipc_sk_put(tsk); if (likely(!rc)) return 0; @@ -2673,7 +2673,7 @@ static int tipc_ioctl(struct socket *sk, unsigned int cmd, unsigned long arg) case SIOCGETLINKNAME: if (copy_from_user(&lnr, argp, sizeof(lnr))) return -EFAULT; - if (!tipc_node_get_linkname(lnr.bearer_id, lnr.peer, + if (!tipc_node_get_linkname(lnr.bearer_id & 0xffff, lnr.peer, lnr.linkname, TIPC_MAX_LINK_NAME)) { if (copy_to_user(argp, &lnr, sizeof(lnr))) return -EFAULT; |