rds: remove the second argument of k[un]map_atomic()

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>

7 files changed, 16 insertions, 21 deletions

diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index e29e0ca32f74..744a00dd29c3 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -763,7 +763,7 @@ static void rds_ib_cong_recv(struct rds_connection *conn,
                 to_copy = min(RDS_FRAG_SIZE - frag_off, PAGE_SIZE - map_off);
                 BUG_ON(to_copy & 7); /* Must be 64bit aligned. */
 
-                addr = kmap_atomic(sg_page(&frag->f_sg), KM_SOFTIRQ0);
+                addr = kmap_atomic(sg_page(&frag->f_sg));
 
                 src = addr + frag_off;
                 dst = (void *)map->m_page_addrs[map_page] + map_off;
@@ -773,7 +773,7 @@ static void rds_ib_cong_recv(struct rds_connection *conn,
                         uncongested |= ~(*src) & *dst;
                         *dst++ = *src++;
                 }
-                kunmap_atomic(addr, KM_SOFTIRQ0);
+                kunmap_atomic(addr);
 
                 copied += to_copy;
 
@@ -919,8 +919,7 @@ static void rds_ib_process_recv(struct rds_connection *conn,
                         rds_ib_cong_recv(conn, ibinc);
                 else {
                         rds_recv_incoming(conn, conn->c_faddr, conn->c_laddr,
-                                          &ibinc->ii_inc, GFP_ATOMIC,
-                                          KM_SOFTIRQ0);
+                                          &ibinc->ii_inc, GFP_ATOMIC);
                         state->ack_next = be64_to_cpu(hdr->h_sequence);
                         state->ack_next_valid = 1;
                 }
diff --git a/net/rds/info.c b/net/rds/info.c
index f1c016c4146e..9a6b4f66187c 100644
--- a/net/rds/info.c
+++ b/net/rds/info.c
@@ -104,7 +104,7 @@ EXPORT_SYMBOL_GPL(rds_info_deregister_func);
 void rds_info_iter_unmap(struct rds_info_iterator *iter)
 {
         if (iter->addr) {
-                kunmap_atomic(iter->addr, KM_USER0);
+                kunmap_atomic(iter->addr);
                 iter->addr = NULL;
         }
 }
@@ -119,7 +119,7 @@ void rds_info_copy(struct rds_info_iterator *iter, void *data,
 
         while (bytes) {
                 if (!iter->addr)
-                        iter->addr = kmap_atomic(*iter->pages, KM_USER0);
+                        iter->addr = kmap_atomic(*iter->pages);
 
                 this = min(bytes, PAGE_SIZE - iter->offset);
 
@@ -134,7 +134,7 @@ void rds_info_copy(struct rds_info_iterator *iter, void *data,
                 iter->offset += this;
 
                 if (iter->offset == PAGE_SIZE) {
-                        kunmap_atomic(iter->addr, KM_USER0);
+                        kunmap_atomic(iter->addr);
                         iter->addr = NULL;
                         iter->offset = 0;
                         iter->pages++;
diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c
index 5e57347f49ff..0bd9b5e7520d 100644
--- a/net/rds/iw_recv.c
+++ b/net/rds/iw_recv.c
@@ -598,7 +598,7 @@ static void rds_iw_cong_recv(struct rds_connection *conn,
                 to_copy = min(RDS_FRAG_SIZE - frag_off, PAGE_SIZE - map_off);
                 BUG_ON(to_copy & 7); /* Must be 64bit aligned. */
 
-                addr = kmap_atomic(frag->f_page, KM_SOFTIRQ0);
+                addr = kmap_atomic(frag->f_page);
 
                 src = addr + frag_off;
                 dst = (void *)map->m_page_addrs[map_page] + map_off;
@@ -608,7 +608,7 @@ static void rds_iw_cong_recv(struct rds_connection *conn,
                         uncongested |= ~(*src) & *dst;
                         *dst++ = *src++;
                 }
-                kunmap_atomic(addr, KM_SOFTIRQ0);
+                kunmap_atomic(addr);
 
                 copied += to_copy;
 
@@ -754,8 +754,7 @@ static void rds_iw_process_recv(struct rds_connection *conn,
                         rds_iw_cong_recv(conn, iwinc);
                 else {
                         rds_recv_incoming(conn, conn->c_faddr, conn->c_laddr,
-                                          &iwinc->ii_inc, GFP_ATOMIC,
-                                          KM_SOFTIRQ0);
+                                          &iwinc->ii_inc, GFP_ATOMIC);
                         state->ack_next = be64_to_cpu(hdr->h_sequence);
                         state->ack_next_valid = 1;
                 }
diff --git a/net/rds/loop.c b/net/rds/loop.c
index bca6761a3ca2..87ff2a8a454b 100644
--- a/net/rds/loop.c
+++ b/net/rds/loop.c
@@ -79,7 +79,7 @@ static int rds_loop_xmit(struct rds_connection *conn, struct rds_message *rm,
         rds_message_addref(rm);
 
         rds_recv_incoming(conn, conn->c_laddr, conn->c_faddr, &rm->m_inc,
-                          GFP_KERNEL, KM_USER0);
+                          GFP_KERNEL);
 
         rds_send_drop_acked(conn, be64_to_cpu(rm->m_inc.i_hdr.h_sequence),
                             NULL);
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 7eaba1831f0d..ec1d731ecff0 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -704,7 +704,7 @@ void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn,
                   __be32 saddr);
 void rds_inc_put(struct rds_incoming *inc);
 void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr,
-                       struct rds_incoming *inc, gfp_t gfp, enum km_type km);
+                       struct rds_incoming *inc, gfp_t gfp);
 int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
                 size_t size, int msg_flags);
 void rds_clear_recv_queue(struct rds_sock *rs);
diff --git a/net/rds/recv.c b/net/rds/recv.c
index bc3f8cd6d070..5c6e9f132026 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -155,7 +155,7 @@ static void rds_recv_incoming_exthdrs(struct rds_incoming *inc, struct rds_sock
  * tell us which roles the addrs in the conn are playing for this message.
  */
 void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr,
-                       struct rds_incoming *inc, gfp_t gfp, enum km_type km)
+                       struct rds_incoming *inc, gfp_t gfp)
 {
         struct rds_sock *rs = NULL;
         struct sock *sk;
diff --git a/net/rds/tcp_recv.c b/net/rds/tcp_recv.c
index 78205e25500a..6243258f840f 100644
--- a/net/rds/tcp_recv.c
+++ b/net/rds/tcp_recv.c
@@ -169,7 +169,6 @@ static void rds_tcp_cong_recv(struct rds_connection *conn,
 struct rds_tcp_desc_arg {
         struct rds_connection *conn;
         gfp_t gfp;
-        enum km_type km;
 };
 
 static int rds_tcp_data_recv(read_descriptor_t *desc, struct sk_buff *skb,
@@ -255,7 +254,7 @@ static int rds_tcp_data_recv(read_descriptor_t *desc, struct sk_buff *skb,
                         else
                                 rds_recv_incoming(conn, conn->c_faddr,
                                                   conn->c_laddr, &tinc->ti_inc,
-                                                  arg->gfp, arg->km);
+                                                  arg->gfp);
 
                         tc->t_tinc_hdr_rem = sizeof(struct rds_header);
                         tc->t_tinc_data_rem = 0;
@@ -272,8 +271,7 @@ out:
 }
 
 /* the caller has to hold the sock lock */
-static int rds_tcp_read_sock(struct rds_connection *conn, gfp_t gfp,
-                             enum km_type km)
+static int rds_tcp_read_sock(struct rds_connection *conn, gfp_t gfp)
 {
         struct rds_tcp_connection *tc = conn->c_transport_data;
         struct socket *sock = tc->t_sock;
@@ -283,7 +281,6 @@ static int rds_tcp_read_sock(struct rds_connection *conn, gfp_t gfp,
         /* It's like glib in the kernel! */
         arg.conn = conn;
         arg.gfp = gfp;
-        arg.km = km;
         desc.arg.data = &arg;
         desc.error = 0;
         desc.count = 1; /* give more than one skb per call */
@@ -311,7 +308,7 @@ int rds_tcp_recv(struct rds_connection *conn)
         rdsdebug("recv worker conn %p tc %p sock %p\n", conn, tc, sock);
 
         lock_sock(sock->sk);
-        ret = rds_tcp_read_sock(conn, GFP_KERNEL, KM_USER0);
+        ret = rds_tcp_read_sock(conn, GFP_KERNEL);
         release_sock(sock->sk);
 
         return ret;
@@ -336,7 +333,7 @@ void rds_tcp_data_ready(struct sock *sk, int bytes)
         ready = tc->t_orig_data_ready;
         rds_tcp_stats_inc(s_tcp_data_ready_calls);
 
-        if (rds_tcp_read_sock(conn, GFP_ATOMIC, KM_SOFTIRQ0) == -ENOMEM)
+        if (rds_tcp_read_sock(conn, GFP_ATOMIC) == -ENOMEM)
                 queue_delayed_work(rds_wq, &conn->c_recv_w, 0);
 out:
         read_unlock_bh(&sk->sk_callback_lock);