Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits)
  mac80211: fix reorder buffer release
  iwmc3200wifi: Enable wimax core through module parameter
  iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter
  iwmc3200wifi: Coex table command does not expect a response
  iwmc3200wifi: Update wiwi priority table
  iwlwifi: driver version track kernel version
  iwlwifi: indicate uCode type when fail dump error/event log
  iwl3945: remove duplicated event logging code
  b43: fix two warnings
  ipw2100: fix rebooting hang with driver loaded
  cfg80211: indent regulatory messages with spaces
  iwmc3200wifi: fix NULL pointer dereference in pmkid update
  mac80211: Fix TX status reporting for injected data frames
  ath9k: enable 2GHz band only if the device supports it
  airo: Fix integer overflow warning
  rt2x00: Fix padding bug on L2PAD devices.
  WE: Fix set events not propagated
  b43legacy: avoid PPC fault during resume
  b43: avoid PPC fault during resume
  tcp: fix a timewait refcnt race
  ...

Fix up conflicts due to sysctl cleanups (dead sysctl_check code and
CTL_UNNUMBERED removed) in
	kernel/sysctl_check.c
	net/ipv4/sysctl_net_ipv4.c
	net/ipv6/addrconf.c
	net/sctp/sysctl.c

20 files changed, 155 insertions, 94 deletions

diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 98e05382fd3c..853c52be781f 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -174,8 +174,8 @@ static unsigned int rds_poll(struct file *file, struct socket *sock,
 			mask |= (POLLIN | POLLRDNORM);
 		spin_unlock(&rs->rs_lock);
 	}
-	if (!list_empty(&rs->rs_recv_queue)
-	 || !list_empty(&rs->rs_notify_queue))
+	if (!list_empty(&rs->rs_recv_queue) ||
+	    !list_empty(&rs->rs_notify_queue))
 		mask |= (POLLIN | POLLRDNORM);
 	if (rs->rs_snd_bytes < rds_sk_sndbuf(rs))
 		mask |= (POLLOUT | POLLWRNORM);
@@ -265,6 +265,9 @@ static int rds_setsockopt(struct socket *sock, int level, int optname,
 	case RDS_GET_MR:
 		ret = rds_get_mr(rs, optval, optlen);
 		break;
+	case RDS_GET_MR_FOR_DEST:
+		ret = rds_get_mr_for_dest(rs, optval, optlen);
+		break;
 	case RDS_FREE_MR:
 		ret = rds_free_mr(rs, optval, optlen);
 		break;
@@ -305,8 +308,8 @@ static int rds_getsockopt(struct socket *sock, int level, int optname,
 		if (len < sizeof(int))
 			ret = -EINVAL;
 		else
-		if (put_user(rs->rs_recverr, (int __user *) optval)
-		 || put_user(sizeof(int), optlen))
+		if (put_user(rs->rs_recverr, (int __user *) optval) ||
+		    put_user(sizeof(int), optlen))
 			ret = -EFAULT;
 		else
 			ret = 0;
@@ -407,7 +410,8 @@ static int __rds_create(struct socket *sock, struct sock *sk, int protocol)
 	return 0;
 }
 
-static int rds_create(struct net *net, struct socket *sock, int protocol)
+static int rds_create(struct net *net, struct socket *sock, int protocol,
+		      int kern)
 {
 	struct sock *sk;
 
@@ -431,7 +435,7 @@ void rds_sock_put(struct rds_sock *rs)
 	sock_put(rds_rs_to_sk(rs));
 }
 
-static struct net_proto_family rds_family_ops = {
+static const struct net_proto_family rds_family_ops = {
 	.family =	AF_RDS,
 	.create =	rds_create,
 	.owner	=	THIS_MODULE,
diff --git a/net/rds/cong.c b/net/rds/cong.c
index dd2711df640b..6d06cac2649c 100644
--- a/net/rds/cong.c
+++ b/net/rds/cong.c
@@ -218,6 +218,8 @@ void rds_cong_queue_updates(struct rds_cong_map *map)
 	spin_lock_irqsave(&rds_cong_lock, flags);
 
 	list_for_each_entry(conn, &map->m_conn_list, c_map_item) {
+		if (conn->c_loopback)
+			continue;
 		if (!test_and_set_bit(0, &conn->c_map_queued)) {
 			rds_stats_inc(s_cong_update_queued);
 			queue_delayed_work(rds_wq, &conn->c_send_w, 0);
diff --git a/net/rds/connection.c b/net/rds/connection.c
index cc8b568c0c84..278f607ab603 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -133,10 +133,8 @@ static struct rds_connection *__rds_conn_create(__be32 laddr, __be32 faddr,
 
 	spin_lock_irqsave(&rds_conn_lock, flags);
 	conn = rds_conn_lookup(head, laddr, faddr, trans);
-	if (conn
-	 && conn->c_loopback
-	 && conn->c_trans != &rds_loop_transport
-	 && !is_outgoing) {
+	if (conn && conn->c_loopback && conn->c_trans != &rds_loop_transport &&
+	    !is_outgoing) {
 		/* This is a looped back IB connection, and we're
 		 * called by the code handling the incoming connect.
 		 * We need a second connection object into which we
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 1378b854cac0..64df4e79b29f 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -98,6 +98,7 @@ struct rds_ib_connection {
 	struct rds_ib_send_work *i_sends;
 
 	/* rx */
+	struct tasklet_struct	i_recv_tasklet;
 	struct mutex		i_recv_mutex;
 	struct rds_ib_work_ring	i_recv_ring;
 	struct rds_ib_incoming	*i_ibinc;
@@ -303,6 +304,7 @@ void rds_ib_inc_free(struct rds_incoming *inc);
 int rds_ib_inc_copy_to_user(struct rds_incoming *inc, struct iovec *iov,
 			     size_t size);
 void rds_ib_recv_cq_comp_handler(struct ib_cq *cq, void *context);
+void rds_ib_recv_tasklet_fn(unsigned long data);
 void rds_ib_recv_init_ring(struct rds_ib_connection *ic);
 void rds_ib_recv_clear_ring(struct rds_ib_connection *ic);
 void rds_ib_recv_init_ack(struct rds_ib_connection *ic);
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index c2d372f13dbb..647cb8ffc39b 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -377,8 +377,8 @@ static u32 rds_ib_protocol_compatible(struct rdma_cm_event *event)
 	}
 
 	/* Even if len is crap *now* I still want to check it. -ASG */
-	if (event->param.conn.private_data_len < sizeof (*dp)
-	    || dp->dp_protocol_major == 0)
+	if (event->param.conn.private_data_len < sizeof (*dp) ||
+	    dp->dp_protocol_major == 0)
 		return RDS_PROTOCOL_3_0;
 
 	common = be16_to_cpu(dp->dp_protocol_minor_mask) & RDS_IB_SUPPORTED_PROTOCOLS;
@@ -694,6 +694,8 @@ int rds_ib_conn_alloc(struct rds_connection *conn, gfp_t gfp)
 		return -ENOMEM;
 
 	INIT_LIST_HEAD(&ic->ib_node);
+	tasklet_init(&ic->i_recv_tasklet, rds_ib_recv_tasklet_fn,
+		     (unsigned long) ic);
 	mutex_init(&ic->i_recv_mutex);
 #ifndef KERNEL_HAS_ATOMIC64
 	spin_lock_init(&ic->i_ack_lock);
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index ef3ab5b7283e..4b0da865a72c 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -187,11 +187,8 @@ void __rds_ib_destroy_conns(struct list_head *list, spinlock_t *list_lock)
 	INIT_LIST_HEAD(list);
 	spin_unlock_irq(list_lock);
 
-	list_for_each_entry_safe(ic, _ic, &tmp_list, ib_node) {
-		if (ic->conn->c_passive)
-			rds_conn_destroy(ic->conn->c_passive);
+	list_for_each_entry_safe(ic, _ic, &tmp_list, ib_node)
 		rds_conn_destroy(ic->conn);
-	}
 }
 
 struct rds_ib_mr_pool *rds_ib_create_mr_pool(struct rds_ib_device *rds_ibdev)
@@ -573,8 +570,8 @@ void rds_ib_free_mr(void *trans_private, int invalidate)
 	spin_unlock_irqrestore(&pool->list_lock, flags);
 
 	/* If we've pinned too many pages, request a flush */
-	if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned
-	 || atomic_read(&pool->dirty_count) >= pool->max_items / 10)
+	if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned ||
+	    atomic_read(&pool->dirty_count) >= pool->max_items / 10)
 		queue_work(rds_wq, &pool->flush_worker);
 
 	if (invalidate) {
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index cd7a6cfcab03..04dc0d3f3c95 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -143,15 +143,16 @@ static int rds_ib_recv_refill_one(struct rds_connection *conn,
 	int ret = -ENOMEM;
 
 	if (recv->r_ibinc == NULL) {
-		if (atomic_read(&rds_ib_allocation) >= rds_ib_sysctl_max_recv_allocation) {
+		if (!atomic_add_unless(&rds_ib_allocation, 1, rds_ib_sysctl_max_recv_allocation)) {
 			rds_ib_stats_inc(s_ib_rx_alloc_limit);
 			goto out;
 		}
 		recv->r_ibinc = kmem_cache_alloc(rds_ib_incoming_slab,
 						 kptr_gfp);
-		if (recv->r_ibinc == NULL)
+		if (recv->r_ibinc == NULL) {
+			atomic_dec(&rds_ib_allocation);
 			goto out;
-		atomic_inc(&rds_ib_allocation);
+		}
 		INIT_LIST_HEAD(&recv->r_ibinc->ii_frags);
 		rds_inc_init(&recv->r_ibinc->ii_inc, conn, conn->c_faddr);
 	}
@@ -229,8 +230,8 @@ int rds_ib_recv_refill(struct rds_connection *conn, gfp_t kptr_gfp,
 	int ret = 0;
 	u32 pos;
 
-	while ((prefill || rds_conn_up(conn))
-			&& rds_ib_ring_alloc(&ic->i_recv_ring, 1, &pos)) {
+	while ((prefill || rds_conn_up(conn)) &&
+	       rds_ib_ring_alloc(&ic->i_recv_ring, 1, &pos)) {
 		if (pos >= ic->i_recv_ring.w_nr) {
 			printk(KERN_NOTICE "Argh - ring alloc returned pos=%u\n",
 					pos);
@@ -770,10 +771,10 @@ static void rds_ib_process_recv(struct rds_connection *conn,
 		hdr = &ibinc->ii_inc.i_hdr;
 		/* We can't just use memcmp here; fragments of a
 		 * single message may carry different ACKs */
-		if (hdr->h_sequence != ihdr->h_sequence
-		 || hdr->h_len != ihdr->h_len
-		 || hdr->h_sport != ihdr->h_sport
-		 || hdr->h_dport != ihdr->h_dport) {
+		if (hdr->h_sequence != ihdr->h_sequence ||
+		    hdr->h_len != ihdr->h_len ||
+		    hdr->h_sport != ihdr->h_sport ||
+		    hdr->h_dport != ihdr->h_dport) {
 			rds_ib_conn_error(conn,
 				"fragment header mismatch; forcing reconnect\n");
 			return;
@@ -824,17 +825,22 @@ void rds_ib_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 {
 	struct rds_connection *conn = context;
 	struct rds_ib_connection *ic = conn->c_transport_data;
-	struct ib_wc wc;
-	struct rds_ib_ack_state state = { 0, };
-	struct rds_ib_recv_work *recv;
 
 	rdsdebug("conn %p cq %p\n", conn, cq);
 
 	rds_ib_stats_inc(s_ib_rx_cq_call);
 
-	ib_req_notify_cq(cq, IB_CQ_SOLICITED);
+	tasklet_schedule(&ic->i_recv_tasklet);
+}
+
+static inline void rds_poll_cq(struct rds_ib_connection *ic,
+			       struct rds_ib_ack_state *state)
+{
+	struct rds_connection *conn = ic->conn;
+	struct ib_wc wc;
+	struct rds_ib_recv_work *recv;
 
-	while (ib_poll_cq(cq, 1, &wc) > 0) {
+	while (ib_poll_cq(ic->i_recv_cq, 1, &wc) > 0) {
 		rdsdebug("wc wr_id 0x%llx status %u byte_len %u imm_data %u\n",
 			 (unsigned long long)wc.wr_id, wc.status, wc.byte_len,
 			 be32_to_cpu(wc.ex.imm_data));
@@ -852,7 +858,7 @@ void rds_ib_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 		if (rds_conn_up(conn) || rds_conn_connecting(conn)) {
 			/* We expect errors as the qp is drained during shutdown */
 			if (wc.status == IB_WC_SUCCESS) {
-				rds_ib_process_recv(conn, recv, wc.byte_len, &state);
+				rds_ib_process_recv(conn, recv, wc.byte_len, state);
 			} else {
 				rds_ib_conn_error(conn, "recv completion on "
 				       "%pI4 had status %u, disconnecting and "
@@ -863,6 +869,17 @@ void rds_ib_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 
 		rds_ib_ring_free(&ic->i_recv_ring, 1);
 	}
+}
+
+void rds_ib_recv_tasklet_fn(unsigned long data)
+{
+	struct rds_ib_connection *ic = (struct rds_ib_connection *) data;
+	struct rds_connection *conn = ic->conn;
+	struct rds_ib_ack_state state = { 0, };
+
+	rds_poll_cq(ic, &state);
+	ib_req_notify_cq(ic->i_recv_cq, IB_CQ_SOLICITED);
+	rds_poll_cq(ic, &state);
 
 	if (state.ack_next_valid)
 		rds_ib_set_ack(ic, state.ack_next, state.ack_required);
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 23bf830db2d5..a10fab6886d1 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -252,8 +252,8 @@ void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
 
 		rds_ib_ring_free(&ic->i_send_ring, completed);
 
-		if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags)
-		 || test_bit(0, &conn->c_map_queued))
+		if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags) ||
+		    test_bit(0, &conn->c_map_queued))
 			queue_delayed_work(rds_wq, &conn->c_send_w, 0);
 
 		/* We expect errors as the qp is drained during shutdown */
diff --git a/net/rds/iw.h b/net/rds/iw.h
index dd72b62bd506..eef2f0c28476 100644
--- a/net/rds/iw.h
+++ b/net/rds/iw.h
@@ -119,6 +119,7 @@ struct rds_iw_connection {
 	struct rds_iw_send_work *i_sends;
 
 	/* rx */
+	struct tasklet_struct	i_recv_tasklet;
 	struct mutex		i_recv_mutex;
 	struct rds_iw_work_ring	i_recv_ring;
 	struct rds_iw_incoming	*i_iwinc;
@@ -330,6 +331,7 @@ void rds_iw_inc_free(struct rds_incoming *inc);
 int rds_iw_inc_copy_to_user(struct rds_incoming *inc, struct iovec *iov,
 			     size_t size);
 void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context);
+void rds_iw_recv_tasklet_fn(unsigned long data);
 void rds_iw_recv_init_ring(struct rds_iw_connection *ic);
 void rds_iw_recv_clear_ring(struct rds_iw_connection *ic);
 void rds_iw_recv_init_ack(struct rds_iw_connection *ic);
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index a416b0d492b1..394cf6b4d0aa 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -696,6 +696,8 @@ int rds_iw_conn_alloc(struct rds_connection *conn, gfp_t gfp)
 		return -ENOMEM;
 
 	INIT_LIST_HEAD(&ic->iw_node);
+	tasklet_init(&ic->i_recv_tasklet, rds_iw_recv_tasklet_fn,
+		     (unsigned long) ic);
 	mutex_init(&ic->i_recv_mutex);
 #ifndef KERNEL_HAS_ATOMIC64
 	spin_lock_init(&ic->i_ack_lock);
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index de4a1b16bf7b..9eda11cca956 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -245,11 +245,8 @@ void __rds_iw_destroy_conns(struct list_head *list, spinlock_t *list_lock)
 	INIT_LIST_HEAD(list);
 	spin_unlock_irq(list_lock);
 
-	list_for_each_entry_safe(ic, _ic, &tmp_list, iw_node) {
-		if (ic->conn->c_passive)
-			rds_conn_destroy(ic->conn->c_passive);
+	list_for_each_entry_safe(ic, _ic, &tmp_list, iw_node)
 		rds_conn_destroy(ic->conn);
-	}
 }
 
 static void rds_iw_set_scatterlist(struct rds_iw_scatterlist *sg,
@@ -576,8 +573,8 @@ void rds_iw_free_mr(void *trans_private, int invalidate)
 	rds_iw_free_fastreg(pool, ibmr);
 
 	/* If we've pinned too many pages, request a flush */
-	if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned
-	 || atomic_read(&pool->dirty_count) >= pool->max_items / 10)
+	if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned ||
+	    atomic_read(&pool->dirty_count) >= pool->max_items / 10)
 		queue_work(rds_wq, &pool->flush_worker);
 
 	if (invalidate) {
diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
index 8683f5f66c4b..54af7d6b92da 100644
--- a/net/rds/iw_recv.c
+++ b/net/rds/iw_recv.c
@@ -143,15 +143,16 @@ static int rds_iw_recv_refill_one(struct rds_connection *conn,
 	int ret = -ENOMEM;
 
 	if (recv->r_iwinc == NULL) {
-		if (atomic_read(&rds_iw_allocation) >= rds_iw_sysctl_max_recv_allocation) {
+		if (!atomic_add_unless(&rds_iw_allocation, 1, rds_iw_sysctl_max_recv_allocation)) {
 			rds_iw_stats_inc(s_iw_rx_alloc_limit);
 			goto out;
 		}
 		recv->r_iwinc = kmem_cache_alloc(rds_iw_incoming_slab,
 						 kptr_gfp);
-		if (recv->r_iwinc == NULL)
+		if (recv->r_iwinc == NULL) {
+			atomic_dec(&rds_iw_allocation);
 			goto out;
-		atomic_inc(&rds_iw_allocation);
+		}
 		INIT_LIST_HEAD(&recv->r_iwinc->ii_frags);
 		rds_inc_init(&recv->r_iwinc->ii_inc, conn, conn->c_faddr);
 	}
@@ -229,8 +230,8 @@ int rds_iw_recv_refill(struct rds_connection *conn, gfp_t kptr_gfp,
 	int ret = 0;
 	u32 pos;
 
-	while ((prefill || rds_conn_up(conn))
-			&& rds_iw_ring_alloc(&ic->i_recv_ring, 1, &pos)) {
+	while ((prefill || rds_conn_up(conn)) &&
+	       rds_iw_ring_alloc(&ic->i_recv_ring, 1, &pos)) {
 		if (pos >= ic->i_recv_ring.w_nr) {
 			printk(KERN_NOTICE "Argh - ring alloc returned pos=%u\n",
 					pos);
@@ -729,10 +730,10 @@ static void rds_iw_process_recv(struct rds_connection *conn,
 		hdr = &iwinc->ii_inc.i_hdr;
 		/* We can't just use memcmp here; fragments of a
 		 * single message may carry different ACKs */
-		if (hdr->h_sequence != ihdr->h_sequence
-		 || hdr->h_len != ihdr->h_len
-		 || hdr->h_sport != ihdr->h_sport
-		 || hdr->h_dport != ihdr->h_dport) {
+		if (hdr->h_sequence != ihdr->h_sequence ||
+		    hdr->h_len != ihdr->h_len ||
+		    hdr->h_sport != ihdr->h_sport ||
+		    hdr->h_dport != ihdr->h_dport) {
 			rds_iw_conn_error(conn,
 				"fragment header mismatch; forcing reconnect\n");
 			return;
@@ -783,17 +784,22 @@ void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 {
 	struct rds_connection *conn = context;
 	struct rds_iw_connection *ic = conn->c_transport_data;
-	struct ib_wc wc;
-	struct rds_iw_ack_state state = { 0, };
-	struct rds_iw_recv_work *recv;
 
 	rdsdebug("conn %p cq %p\n", conn, cq);
 
 	rds_iw_stats_inc(s_iw_rx_cq_call);
 
-	ib_req_notify_cq(cq, IB_CQ_SOLICITED);
+	tasklet_schedule(&ic->i_recv_tasklet);
+}
+
+static inline void rds_poll_cq(struct rds_iw_connection *ic,
+			       struct rds_iw_ack_state *state)
+{
+	struct rds_connection *conn = ic->conn;
+	struct ib_wc wc;
+	struct rds_iw_recv_work *recv;
 
-	while (ib_poll_cq(cq, 1, &wc) > 0) {
+	while (ib_poll_cq(ic->i_recv_cq, 1, &wc) > 0) {
 		rdsdebug("wc wr_id 0x%llx status %u byte_len %u imm_data %u\n",
 			 (unsigned long long)wc.wr_id, wc.status, wc.byte_len,
 			 be32_to_cpu(wc.ex.imm_data));
@@ -811,7 +817,7 @@ void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 		if (rds_conn_up(conn) || rds_conn_connecting(conn)) {
 			/* We expect errors as the qp is drained during shutdown */
 			if (wc.status == IB_WC_SUCCESS) {
-				rds_iw_process_recv(conn, recv, wc.byte_len, &state);
+				rds_iw_process_recv(conn, recv, wc.byte_len, state);
 			} else {
 				rds_iw_conn_error(conn, "recv completion on "
 				       "%pI4 had status %u, disconnecting and "
@@ -822,6 +828,17 @@ void rds_iw_recv_cq_comp_handler(struct ib_cq *cq, void *context)
 
 		rds_iw_ring_free(&ic->i_recv_ring, 1);
 	}
+}
+
+void rds_iw_recv_tasklet_fn(unsigned long data)
+{
+	struct rds_iw_connection *ic = (struct rds_iw_connection *) data;
+	struct rds_connection *conn = ic->conn;
+	struct rds_iw_ack_state state = { 0, };
+
+	rds_poll_cq(ic, &state);
+	ib_req_notify_cq(ic->i_recv_cq, IB_CQ_SOLICITED);
+	rds_poll_cq(ic, &state);
 
 	if (state.ack_next_valid)
 		rds_iw_set_ack(ic, state.ack_next, state.ack_required);
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 1f5abe3cf2b4..1379e9d66a78 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -288,8 +288,8 @@ void rds_iw_send_cq_comp_handler(struct ib_cq *cq, void *context)
 
 		rds_iw_ring_free(&ic->i_send_ring, completed);
 
-		if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags)
-		 || test_bit(0, &conn->c_map_queued))
+		if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags) ||
+		    test_bit(0, &conn->c_map_queued))
 			queue_delayed_work(rds_wq, &conn->c_send_w, 0);
 
 		/* We expect errors as the qp is drained during shutdown */
@@ -519,8 +519,7 @@ int rds_iw_xmit(struct rds_connection *conn, struct rds_message *rm,
 	BUG_ON(hdr_off != 0 && hdr_off != sizeof(struct rds_header));
 
 	/* Fastreg support */
-	if (rds_rdma_cookie_key(rm->m_rdma_cookie)
-	 && !ic->i_fastreg_posted) {
+	if (rds_rdma_cookie_key(rm->m_rdma_cookie) && !ic->i_fastreg_posted) {
 		ret = -EAGAIN;
 		goto out;
 	}
diff --git a/net/rds/message.c b/net/rds/message.c
index ca50a8ec9742..73e600ffd87f 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -122,8 +122,7 @@ int rds_message_add_extension(struct rds_header *hdr,
 	if (hdr->h_exthdr[0] != RDS_EXTHDR_NONE)
 		return 0;
 
-	if (type >= __RDS_EXTHDR_MAX
-	 || len != rds_exthdr_size[type])
+	if (type >= __RDS_EXTHDR_MAX || len != rds_exthdr_size[type])
 		return 0;
 
 	if (ext_len >= RDS_HEADER_EXT_SPACE)
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 8dc83d2caa58..4c64daa1f5d5 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -317,6 +317,30 @@ int rds_get_mr(struct rds_sock *rs, char __user *optval, int optlen)
 	return __rds_rdma_map(rs, &args, NULL, NULL);
 }
 
+int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen)
+{
+	struct rds_get_mr_for_dest_args args;
+	struct rds_get_mr_args new_args;
+
+	if (optlen != sizeof(struct rds_get_mr_for_dest_args))
+		return -EINVAL;
+
+	if (copy_from_user(&args, (struct rds_get_mr_for_dest_args __user *)optval,
+			   sizeof(struct rds_get_mr_for_dest_args)))
+		return -EFAULT;
+
+	/*
+	 * Initially, just behave like get_mr().
+	 * TODO: Implement get_mr as wrapper around this
+	 *	 and deprecate it.
+	 */
+	new_args.vec = args.vec;
+	new_args.cookie_addr = args.cookie_addr;
+	new_args.flags = args.flags;
+
+	return __rds_rdma_map(rs, &new_args, NULL, NULL);
+}
+
 /*
  * Free the MR indicated by the given R_Key
  */
@@ -607,8 +631,8 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
 {
 	struct rds_rdma_op *op;
 
-	if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args))
-	 || rm->m_rdma_op != NULL)
+	if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args)) ||
+	    rm->m_rdma_op != NULL)
 		return -EINVAL;
 
 	op = rds_rdma_prepare(rs, CMSG_DATA(cmsg));
@@ -631,8 +655,8 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
 	u32 r_key;
 	int err = 0;
 
-	if (cmsg->cmsg_len < CMSG_LEN(sizeof(rds_rdma_cookie_t))
-	 || rm->m_rdma_cookie != 0)
+	if (cmsg->cmsg_len < CMSG_LEN(sizeof(rds_rdma_cookie_t)) ||
+	    rm->m_rdma_cookie != 0)
 		return -EINVAL;
 
 	memcpy(&rm->m_rdma_cookie, CMSG_DATA(cmsg), sizeof(rm->m_rdma_cookie));
@@ -668,8 +692,8 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
 int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm,
 			  struct cmsghdr *cmsg)
 {
-	if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_get_mr_args))
-	 || rm->m_rdma_cookie != 0)
+	if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_get_mr_args)) ||
+	    rm->m_rdma_cookie != 0)
 		return -EINVAL;
 
 	return __rds_rdma_map(rs, CMSG_DATA(cmsg), &rm->m_rdma_cookie, &rm->m_rdma_mr);
diff --git a/net/rds/rdma.h b/net/rds/rdma.h
index 425512098b0b..909c39835a5d 100644
--- a/net/rds/rdma.h
+++ b/net/rds/rdma.h
@@ -61,6 +61,7 @@ static inline u32 rds_rdma_cookie_offset(rds_rdma_cookie_t cookie)
 }
 
 int rds_get_mr(struct rds_sock *rs, char __user *optval, int optlen);
+int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen);
 int rds_free_mr(struct rds_sock *rs, char __user *optval, int optlen);
 void rds_rdma_drop_keys(struct rds_sock *rs);
 int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
diff --git a/net/rds/recv.c b/net/rds/recv.c
index fdff33c7b432..b426d67f760c 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -195,8 +195,8 @@ void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr,
 	 * XXX we could spend more on the wire to get more robust failure
 	 * detection, arguably worth it to avoid data corruption.
 	 */
-	if (be64_to_cpu(inc->i_hdr.h_sequence) < conn->c_next_rx_seq
-	 && (inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) {
+	if (be64_to_cpu(inc->i_hdr.h_sequence) < conn->c_next_rx_seq &&
+	    (inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) {
 		rds_stats_inc(s_recv_drop_old_seq);
 		goto out;
 	}
@@ -432,10 +432,9 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 			}
 
 			timeo = wait_event_interruptible_timeout(*sk->sk_sleep,
-						(!list_empty(&rs->rs_notify_queue)
-						|| rs->rs_cong_notify
-						|| rds_next_incoming(rs, &inc)),
-						timeo);
+					(!list_empty(&rs->rs_notify_queue) ||
+					 rs->rs_cong_notify ||
+					 rds_next_incoming(rs, &inc)), timeo);
 			rdsdebug("recvmsg woke inc %p timeo %ld\n", inc,
 				 timeo);
 			if (timeo > 0 || timeo == MAX_SCHEDULE_TIMEOUT)
diff --git a/net/rds/send.c b/net/rds/send.c
index 28c88ff3d038..b2fccfc20769 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -235,8 +235,8 @@ int rds_send_xmit(struct rds_connection *conn)
 			 * connection.
 			 * Therefore, we never retransmit messages with RDMA ops.
 			 */
-			if (rm->m_rdma_op
-			 && test_bit(RDS_MSG_RETRANSMITTED, &rm->m_flags)) {
+			if (rm->m_rdma_op &&
+			    test_bit(RDS_MSG_RETRANSMITTED, &rm->m_flags)) {
 				spin_lock_irqsave(&conn->c_lock, flags);
 				if (test_and_clear_bit(RDS_MSG_ON_CONN, &rm->m_flags))
 					list_move(&rm->m_conn_item, &to_be_dropped);
@@ -247,8 +247,8 @@ int rds_send_xmit(struct rds_connection *conn)
 
 			/* Require an ACK every once in a while */
 			len = ntohl(rm->m_inc.i_hdr.h_len);
-			if (conn->c_unacked_packets == 0
-			 || conn->c_unacked_bytes < len) {
+			if (conn->c_unacked_packets == 0 ||
+			    conn->c_unacked_bytes < len) {
 				__set_bit(RDS_MSG_ACK_REQUIRED, &rm->m_flags);
 
 				conn->c_unacked_packets = rds_sysctl_max_unacked_packets;
@@ -418,8 +418,8 @@ void rds_rdma_send_complete(struct rds_message *rm, int status)
 	spin_lock(&rm->m_rs_lock);
 
 	ro = rm->m_rdma_op;
-	if (test_bit(RDS_MSG_ON_SOCK, &rm->m_flags)
-	 && ro && ro->r_notify && ro->r_notifier) {
+	if (test_bit(RDS_MSG_ON_SOCK, &rm->m_flags) &&
+	    ro && ro->r_notify && ro->r_notifier) {
 		notifier = ro->r_notifier;
 		rs = rm->m_rs;
 		sock_hold(rds_rs_to_sk(rs));
@@ -549,8 +549,7 @@ void rds_send_remove_from_sock(struct list_head *messages, int status)
 			list_del_init(&rm->m_sock_item);
 			rds_send_sndbuf_remove(rs, rm);
 
-			if (ro && ro->r_notifier
-			   && (status || ro->r_notify)) {
+			if (ro && ro->r_notifier && (status || ro->r_notify)) {
 				notifier = ro->r_notifier;
 				list_add_tail(&notifier->n_list,
 						&rs->rs_notify_queue);
@@ -877,8 +876,8 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 	if (ret)
 		goto out;
 
-	if ((rm->m_rdma_cookie || rm->m_rdma_op)
-	 && conn->c_trans->xmit_rdma == NULL) {
+	if ((rm->m_rdma_cookie || rm->m_rdma_op) &&
+	    conn->c_trans->xmit_rdma == NULL) {
 		if (printk_ratelimit())
 			printk(KERN_NOTICE "rdma_op %p conn xmit_rdma %p\n",
 				rm->m_rdma_op, conn->c_trans->xmit_rdma);
@@ -890,8 +889,8 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 	 * have scheduled a delayed reconnect however - in this case
 	 * we should not interfere.
 	 */
-	if (rds_conn_state(conn) == RDS_CONN_DOWN
-	 && !test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
+	if (rds_conn_state(conn) == RDS_CONN_DOWN &&
+	    !test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
 		queue_delayed_work(rds_wq, &conn->c_conn_w, 0);
 
 	ret = rds_cong_wait(conn->c_fcong, dport, nonblock, rs);
@@ -973,8 +972,8 @@ rds_send_pong(struct rds_connection *conn, __be16 dport)
 	 * have scheduled a delayed reconnect however - in this case
 	 * we should not interfere.
 	 */
-	if (rds_conn_state(conn) == RDS_CONN_DOWN
-	 && !test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
+	if (rds_conn_state(conn) == RDS_CONN_DOWN &&
+	    !test_and_set_bit(RDS_RECONNECT_PENDING, &conn->c_flags))
 		queue_delayed_work(rds_wq, &conn->c_conn_w, 0);
 
 	ret = rds_cong_wait(conn->c_fcong, dport, 1, NULL);
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 24b743eb0b1b..45474a436862 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -67,11 +67,11 @@ static int rds_tcp_accept_one(struct socket *sock)
 	inet = inet_sk(new_sock->sk);
 
 	rdsdebug("accepted tcp %u.%u.%u.%u:%u -> %u.%u.%u.%u:%u\n",
-		  NIPQUAD(inet->saddr), ntohs(inet->sport),
-		  NIPQUAD(inet->daddr), ntohs(inet->dport));
+		  NIPQUAD(inet->inet_saddr), ntohs(inet->inet_sport),
+		  NIPQUAD(inet->inet_daddr), ntohs(inet->inet_dport));
 
-	conn = rds_conn_create(inet->saddr, inet->daddr, &rds_tcp_transport,
-			       GFP_KERNEL);
+	conn = rds_conn_create(inet->inet_saddr, inet->inet_daddr,
+			       &rds_tcp_transport, GFP_KERNEL);
 	if (IS_ERR(conn)) {
 		ret = PTR_ERR(conn);
 		goto out;
diff --git a/net/rds/threads.c b/net/rds/threads.c
index dd7e0cad1e7c..00fa10e59af8 100644
--- a/net/rds/threads.c
+++ b/net/rds/threads.c
@@ -170,8 +170,8 @@ void rds_shutdown_worker(struct work_struct *work)
 		 * handler is supposed to check for state DISCONNECTING
 		 */
 		mutex_lock(&conn->c_cm_lock);
-		if (!rds_conn_transition(conn, RDS_CONN_UP, RDS_CONN_DISCONNECTING)
-		 && !rds_conn_transition(conn, RDS_CONN_ERROR, RDS_CONN_DISCONNECTING)) {
+		if (!rds_conn_transition(conn, RDS_CONN_UP, RDS_CONN_DISCONNECTING) &&
+		    !rds_conn_transition(conn, RDS_CONN_ERROR, RDS_CONN_DISCONNECTING)) {
 			rds_conn_error(conn, "shutdown called in state %d\n",
 					atomic_read(&conn->c_state));
 			mutex_unlock(&conn->c_cm_lock);