5 files changed, 70 insertions, 6 deletions

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 49dba5febbbd..19703aa9659e 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -33,7 +33,7 @@ static int rpc_mount_count;
 static struct file_system_type rpc_pipe_fs_type;
 
 
-static kmem_cache_t *rpc_inode_cachep __read_mostly;
+static struct kmem_cache *rpc_inode_cachep __read_mostly;
 
 #define RPC_UPCALL_TIMEOUT (30*HZ)
 
@@ -143,7 +143,7 @@ static struct inode *
 rpc_alloc_inode(struct super_block *sb)
 {
         struct rpc_inode *rpci;
-        rpci = (struct rpc_inode *)kmem_cache_alloc(rpc_inode_cachep, SLAB_KERNEL);
+        rpci = (struct rpc_inode *)kmem_cache_alloc(rpc_inode_cachep, GFP_KERNEL);
         if (!rpci)
                 return NULL;
         return &rpci->vfs_inode;
@@ -824,7 +824,7 @@ static struct file_system_type rpc_pipe_fs_type = {
 };
 
 static void
-init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
+init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
 {
         struct rpc_inode *rpci = (struct rpc_inode *) foo;
 
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index eff44bcdc95a..225e6510b523 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -34,8 +34,8 @@ static int			rpc_task_id;
 #define RPC_BUFFER_MAXSIZE      (2048)
 #define RPC_BUFFER_POOLSIZE     (8)
 #define RPC_TASK_POOLSIZE       (8)
-static kmem_cache_t     *rpc_task_slabp __read_mostly;
-static kmem_cache_t     *rpc_buffer_slabp __read_mostly;
+static struct kmem_cache        *rpc_task_slabp __read_mostly;
+static struct kmem_cache        *rpc_buffer_slabp __read_mostly;
 static mempool_t        *rpc_task_mempool __read_mostly;
 static mempool_t        *rpc_buffer_mempool __read_mostly;
 
diff --git a/net/sunrpc/svcauth.c b/net/sunrpc/svcauth.c
index ee9bb1522d5e..c7bb5f7f21a5 100644
--- a/net/sunrpc/svcauth.c
+++ b/net/sunrpc/svcauth.c
@@ -119,7 +119,8 @@ EXPORT_SYMBOL(svc_auth_unregister);
 #define DN_HASHMASK     (DN_HASHMAX-1)
 
 static struct hlist_head        auth_domain_table[DN_HASHMAX];
-static spinlock_t       auth_domain_lock = SPIN_LOCK_UNLOCKED;
+static spinlock_t       auth_domain_lock =
+        __SPIN_LOCK_UNLOCKED(auth_domain_lock);
 
 void auth_domain_put(struct auth_domain *dom)
 {
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 64ca1f61dd94..99f54fb6d669 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -32,6 +32,7 @@
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <linux/file.h>
+#include <linux/freezer.h>
 #include <net/sock.h>
 #include <net/checksum.h>
 #include <net/ip.h>
@@ -84,6 +85,35 @@ static struct cache_deferred_req *svc_defer(struct cache_req *req);
  */
 static int svc_conn_age_period = 6*60;
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+static struct lock_class_key svc_key[2];
+static struct lock_class_key svc_slock_key[2];
+
+static inline void svc_reclassify_socket(struct socket *sock)
+{
+        struct sock *sk = sock->sk;
+        BUG_ON(sk->sk_lock.owner != NULL);
+        switch (sk->sk_family) {
+        case AF_INET:
+                sock_lock_init_class_and_name(sk, "slock-AF_INET-NFSD",
+                    &svc_slock_key[0], "sk_lock-AF_INET-NFSD", &svc_key[0]);
+                break;
+
+        case AF_INET6:
+                sock_lock_init_class_and_name(sk, "slock-AF_INET6-NFSD",
+                    &svc_slock_key[1], "sk_lock-AF_INET6-NFSD", &svc_key[1]);
+                break;
+
+        default:
+                BUG();
+        }
+}
+#else
+static inline void svc_reclassify_socket(struct socket *sock)
+{
+}
+#endif
+
 /*
  * Queue up an idle server thread.  Must have pool->sp_lock held.
  * Note: this is really a stack rather than a queue, so that we only
@@ -1556,6 +1586,8 @@ svc_create_socket(struct svc_serv *serv, int protocol, struct sockaddr_in *sin)
         if ((error = sock_create_kern(PF_INET, type, protocol, &sock)) < 0)
                 return error;
 
+        svc_reclassify_socket(sock);
+
         if (type == SOCK_STREAM)
                 sock->sk->sk_reuse = 1; /* allow address reuse */
         error = kernel_bind(sock, (struct sockaddr *) sin,
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index cfe3c15be948..2fc4a3123261 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1058,6 +1058,35 @@ static int xs_bindresvport(struct rpc_xprt *xprt, struct socket *sock)
         return err;
 }
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+static struct lock_class_key xs_key[2];
+static struct lock_class_key xs_slock_key[2];
+
+static inline void xs_reclassify_socket(struct socket *sock)
+{
+        struct sock *sk = sock->sk;
+        BUG_ON(sk->sk_lock.owner != NULL);
+        switch (sk->sk_family) {
+        case AF_INET:
+                sock_lock_init_class_and_name(sk, "slock-AF_INET-NFS",
+                        &xs_slock_key[0], "sk_lock-AF_INET-NFS", &xs_key[0]);
+                break;
+
+        case AF_INET6:
+                sock_lock_init_class_and_name(sk, "slock-AF_INET6-NFS",
+                        &xs_slock_key[1], "sk_lock-AF_INET6-NFS", &xs_key[1]);
+                break;
+
+        default:
+                BUG();
+        }
+}
+#else
+static inline void xs_reclassify_socket(struct socket *sock)
+{
+}
+#endif
+
 /**
  * xs_udp_connect_worker - set up a UDP socket
  * @work: RPC transport to connect
@@ -1081,6 +1110,7 @@ static void xs_udp_connect_worker(struct work_struct *work)
                 dprintk("RPC:      can't create UDP transport socket (%d).\n", -err);
                 goto out;
         }
+        xs_reclassify_socket(sock);
 
         if (xprt->resvport && xs_bindresvport(xprt, sock) < 0) {
                 sock_release(sock);
@@ -1165,6 +1195,7 @@ static void xs_tcp_connect_worker(struct work_struct *work)
                         dprintk("RPC:      can't create TCP transport socket (%d).\n", -err);
                         goto out;
                 }
+                xs_reclassify_socket(sock);
 
                 if (xprt->resvport && xs_bindresvport(xprt, sock) < 0) {
                         sock_release(sock);