SUNRPC: move per-net operations from svc_destroy()
upstream commit 786185b5f8abefa6a8a16695bb4a59c164d5a071.
The idea is to separate service destruction and per-net operations,
because these are two different things and the mix looks ugly.
Notes:
1) For NFS server this patch looks ugly (sorry for that). But these
place will be rewritten soon during NFSd containerization.
2) LockD per-net counter increase int lockd_up() was moved prior to
make_socks() to make lockd_down_net() call safe in case of error.
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/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 2c53be6..3ab12eb 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -651,6 +651,7 @@
{
char *mesg = buf;
int fd, err;
+ struct net *net = &init_net;
err = get_int(&mesg, &fd);
if (err != 0 || fd < 0)
@@ -662,6 +663,8 @@
err = svc_addsock(nfsd_serv, fd, buf, SIMPLE_TRANSACTION_LIMIT);
if (err < 0) {
+ if (nfsd_serv->sv_nrthreads == 1)
+ svc_shutdown_net(nfsd_serv, net);
svc_destroy(nfsd_serv);
return err;
}
@@ -699,6 +702,7 @@
char transport[16];
struct svc_xprt *xprt;
int port, err;
+ struct net *net = &init_net;
if (sscanf(buf, "%15s %4u", transport, &port) != 2)
return -EINVAL;
@@ -710,12 +714,12 @@
if (err != 0)
return err;
- err = svc_create_xprt(nfsd_serv, transport, &init_net,
+ err = svc_create_xprt(nfsd_serv, transport, net,
PF_INET, port, SVC_SOCK_ANONYMOUS);
if (err < 0)
goto out_err;
- err = svc_create_xprt(nfsd_serv, transport, &init_net,
+ err = svc_create_xprt(nfsd_serv, transport, net,
PF_INET6, port, SVC_SOCK_ANONYMOUS);
if (err < 0 && err != -EAFNOSUPPORT)
goto out_close;
@@ -724,12 +728,14 @@
nfsd_serv->sv_nrthreads--;
return 0;
out_close:
- xprt = svc_find_xprt(nfsd_serv, transport, &init_net, PF_INET, port);
+ xprt = svc_find_xprt(nfsd_serv, transport, net, PF_INET, port);
if (xprt != NULL) {
svc_close_xprt(xprt);
svc_xprt_put(xprt);
}
out_err:
+ if (nfsd_serv->sv_nrthreads == 1)
+ svc_shutdown_net(nfsd_serv, net);
svc_destroy(nfsd_serv);
return err;
}