SUNRPC: new svc_bind() routine introduced
upstream commit 9793f7c88937e7ac07305ab1af1a519225836823.
This new routine is responsible for service registration in a specified
network context.
The idea is to separate service creation from per-net operations.
Note also: since registering service with svc_bind() can fail, the
service will be destroyed and during destruction it will try to
unregister itself from rpcbind. In this case unregistration has to be
skipped.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 1ead075..b7e92ed 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -324,6 +324,12 @@
goto out;
}
+ error = svc_bind(serv, net);
+ if (error < 0) {
+ printk(KERN_WARNING "lockd_up: bind service failed\n");
+ goto destroy_and_out;
+ }
+
error = make_socks(serv, net);
if (error < 0)
goto destroy_and_out;
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index eb95f50..26b38fb 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -17,6 +17,7 @@
#include <linux/kthread.h>
#include <linux/sunrpc/svcauth_gss.h>
#include <linux/sunrpc/bc_xprt.h>
+#include <linux/nsproxy.h>
#include <net/inet_sock.h>
@@ -253,6 +254,7 @@
char svc_name[12];
int ret = 0;
int minorversion_setup;
+ struct net *net = current->nsproxy->net_ns;
mutex_lock(&nfs_callback_mutex);
if (cb_info->users++ || cb_info->task != NULL) {
@@ -265,6 +267,12 @@
goto out_err;
}
+ ret = svc_bind(serv, net);
+ if (ret < 0) {
+ printk(KERN_WARNING "NFS: bind callback service failed\n");
+ goto out_err;
+ }
+
minorversion_setup = nfs_minorversion_callback_svc_setup(minorversion,
serv, xprt, &rqstp, &callback_svc);
if (!minorversion_setup) {
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 78e5213..118c172 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/fs_struct.h>
#include <linux/swap.h>
+#include <linux/nsproxy.h>
#include <linux/sunrpc/stats.h>
#include <linux/sunrpc/svcsock.h>
@@ -330,6 +331,8 @@
int nfsd_create_serv(void)
{
+ int error;
+
WARN_ON(!mutex_is_locked(&nfsd_mutex));
if (nfsd_serv) {
svc_get(nfsd_serv);
@@ -343,6 +346,12 @@
if (nfsd_serv == NULL)
return -ENOMEM;
+ error = svc_bind(nfsd_serv, current->nsproxy->net_ns);
+ if (error < 0) {
+ svc_destroy(nfsd_serv);
+ return error;
+ }
+
set_max_drc();
do_gettimeofday(&nfssvc_boot); /* record boot time */
return 0;