3 files changed, 18 insertions, 1 deletions

diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index f17f3c581ff4..3aff72f78bf2 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -52,6 +52,8 @@
 #include <linux/sunrpc/gss_api.h>
 #include <asm/uaccess.h>
 
+#include "../netns.h"
+
 static const struct rpc_authops authgss_ops;
 
 static const struct rpc_credops gss_credops;
@@ -559,9 +561,12 @@ out:
 static inline int
 gss_create_upcall(struct gss_auth *gss_auth, struct gss_cred *gss_cred)
 {
+        struct net *net = rpc_net_ns(gss_auth->client);
+        struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
         struct rpc_pipe *pipe;
         struct rpc_cred *cred = &gss_cred->gc_base;
         struct gss_upcall_msg *gss_msg;
+        unsigned long timeout;
         DEFINE_WAIT(wait);
         int err;
 
@@ -569,11 +574,17 @@ gss_create_upcall(struct gss_auth *gss_auth, struct gss_cred *gss_cred)
                 __func__, from_kuid(&init_user_ns, cred->cr_uid));
 retry:
         err = 0;
+        /* Default timeout is 15s unless we know that gssd is not running */
+        timeout = 15 * HZ;
+        if (!sn->gssd_running)
+                timeout = HZ >> 2;
         gss_msg = gss_setup_upcall(gss_auth->client, gss_auth, cred);
         if (PTR_ERR(gss_msg) == -EAGAIN) {
                 err = wait_event_interruptible_timeout(pipe_version_waitqueue,
-                                pipe_version >= 0, 15*HZ);
+                                pipe_version >= 0, timeout);
                 if (pipe_version < 0) {
+                        if (err == 0)
+                                sn->gssd_running = 0;
                         warn_gssd();
                         err = -EACCES;
                 }
diff --git a/net/sunrpc/netns.h b/net/sunrpc/netns.h
index 7111a4c9113b..0827f641e8d7 100644
--- a/net/sunrpc/netns.h
+++ b/net/sunrpc/netns.h
@@ -29,6 +29,8 @@ struct sunrpc_net {
         struct rpc_clnt *gssp_clnt;
         int use_gss_proxy;
         struct proc_dir_entry *use_gssp_proc;
+
+        unsigned int gssd_running;
 };
 
 extern int sunrpc_net_id;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index a9129f8d7070..a370762e459d 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -216,11 +216,14 @@ rpc_destroy_inode(struct inode *inode)
 static int
 rpc_pipe_open(struct inode *inode, struct file *filp)
 {
+        struct net *net = inode->i_sb->s_fs_info;
+        struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
         struct rpc_pipe *pipe;
         int first_open;
         int res = -ENXIO;
 
         mutex_lock(&inode->i_mutex);
+        sn->gssd_running = 1;
         pipe = RPC_I(inode)->pipe;
         if (pipe == NULL)
                 goto out;
@@ -1069,6 +1072,7 @@ void rpc_pipefs_init_net(struct net *net)
         struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
 
         mutex_init(&sn->pipefs_sb_lock);
+        sn->gssd_running = 1;
 }
 
 /*