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tipc: apply bearer link tolerance on running links

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Currently, the default link tolerance set in struct tipc_bearer only
has effect on links going up after that moment. I.e., a user has to
reset all the node's links across that bearer to have the new value
applied. This is too limiting and disturbing on a running cluster to
be useful.

We now change this so that also already existing links are updated
dynamically, without any need for a reset, when the bearer value is
changed. We leverage the already existing per-link functionality
for this to achieve the wanted effect.

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>
This commit is contained in:
Jon Maloy
2018-02-14 13:34:39 +01:00
committed by David S. Miller
parent a92ac140fc
commit 37c64cf63b
4 changed files with 32 additions and 4 deletions
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8
net/tipc/bearer.c
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@@ -946,11 +946,11 @@ int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info)
int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
{
int err;
char *name;
struct tipc_bearer *b;
struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
struct net *net = sock_net(skb->sk);
char *name;
int err;
if (!info->attrs[TIPC_NLA_BEARER])
return -EINVAL;
@@ -982,8 +982,10 @@ int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
return err;
}
if (props[TIPC_NLA_PROP_TOL])
if (props[TIPC_NLA_PROP_TOL]) {
b->tolerance = nla_get_u32(props[TIPC_NLA_PROP_TOL]);
tipc_node_apply_tolerance(net, b);
}
if (props[TIPC_NLA_PROP_PRIO])
b->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
if (props[TIPC_NLA_PROP_WIN])