A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 03:01:39 -04:00
Code Issues Projects Releases Packages Wiki Activity

Lockd: shutdown NLM hosts in network namespace context

Browse source 
Lockd now managed in network namespace context. And this patch introduces
network namespace related NLM hosts shutdown in case of releasing per-net Lockd
resources.

Signed-off-by: Stanislav Kinsbursky <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
This commit is contained in:
Stanislav Kinsbursky 2012-01-31 15:08:29 +04:00 • committed by Trond Myklebust
commit 3b64739fb9
3 changed files with 23 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

26
fs/lockd/host.c
View file

@ -565,12 +565,8 @@ void nlm_host_rebooted(const struct nlm_reboot *info)
nsm_release(nsm);
}
/*
* Shut down the hosts module.
* Note that this routine is called only at server shutdown time.
*/
void
nlm_shutdown_hosts(void)
nlm_shutdown_hosts_net(struct net *net)
{
struct hlist_head *chain;
struct hlist_node *pos;
@ -582,6 +578,8 @@ nlm_shutdown_hosts(void)
/* First, make all hosts eligible for gc */
dprintk("lockd: nuking all hosts...\n");
for_each_host(host, pos, chain, nlm_server_hosts) {
if (net && host->net != net)
continue;
host->h_expires = jiffies - 1;
if (host->h_rpcclnt) {
rpc_shutdown_client(host->h_rpcclnt);
@ -592,15 +590,29 @@ nlm_shutdown_hosts(void)
/* Then, perform a garbage collection pass */
nlm_gc_hosts();
mutex_unlock(&nlm_host_mutex);
}
/*
* Shut down the hosts module.
* Note that this routine is called only at server shutdown time.
*/
void
nlm_shutdown_hosts(void)
{
struct hlist_head *chain;
struct hlist_node *pos;
struct nlm_host *host;
nlm_shutdown_hosts_net(NULL);
/* complain if any hosts are left */
if (nrhosts != 0) {
printk(KERN_WARNING "lockd: couldn't shutdown host module!\n");
dprintk("lockd: %lu hosts left:\n", nrhosts);
for_each_host(host, pos, chain, nlm_server_hosts) {
dprintk(" %s (cnt %d use %d exp %ld)\n",
dprintk(" %s (cnt %d use %d exp %ld net %p)\n",
host->h_name, atomic_read(&host->h_count),
host->h_inuse, host->h_expires);
host->h_inuse, host->h_expires, host->net);
}
}
}

4
fs/lockd/svc.c
View file

@ -281,8 +281,10 @@ static void lockd_down_net(struct net *net)
struct svc_serv *serv = nlmsvc_rqst->rq_server;
if (ln->nlmsvc_users) {
if (--ln->nlmsvc_users == 0)
if (--ln->nlmsvc_users == 0) {
nlm_shutdown_hosts_net(net);
svc_shutdown_net(serv, net);
}
} else {
printk(KERN_ERR "lockd_down_net: no users! task=%p, net=%p\n",
nlmsvc_task, net);