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-rw-r--r--net/rds/af_rds.c16
-rw-r--r--net/rds/cong.c2
-rw-r--r--net/rds/connection.c6
-rw-r--r--net/rds/ib.h2
-rw-r--r--net/rds/ib_cm.c6
-rw-r--r--net/rds/ib_rdma.c9
-rw-r--r--net/rds/ib_recv.c47
-rw-r--r--net/rds/ib_send.c4
-rw-r--r--net/rds/iw.h2
-rw-r--r--net/rds/iw_cm.c2
-rw-r--r--net/rds/iw_rdma.c9
-rw-r--r--net/rds/iw_recv.c47
-rw-r--r--net/rds/iw_send.c7
-rw-r--r--net/rds/message.c3
-rw-r--r--net/rds/rdma.c36
-rw-r--r--net/rds/rdma.h1
-rw-r--r--net/rds/recv.c11
-rw-r--r--net/rds/send.c27
-rw-r--r--net/rds/tcp_listen.c8
-rw-r--r--net/rds/threads.c4
20 files changed, 155 insertions, 94 deletions
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 98e05382fd3..853c52be781 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 dd2711df640..6d06cac2649 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 cc8b568c0c8..278f607ab60 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 1378b854cac..64df4e79b29 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 c2d372f13db..647cb8ffc39 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 ef3ab5b7283..4b0da865a72 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 cd7a6cfcab0..04dc0d3f3c9 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 23bf830db2d..a10fab6886d 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 dd72b62bd50..eef2f0c2847 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 a416b0d492b..394cf6b4d0a 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 de4a1b16bf7..9eda11cca95 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 8683f5f66c4..54af7d6b92d 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 1f5abe3cf2b..1379e9d66a7 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 ca50a8ec974..73e600ffd87 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 8dc83d2caa5..4c64daa1f5d 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 425512098b0..909c39835a5 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 fdff33c7b43..b426d67f760 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 28c88ff3d03..b2fccfc2076 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 24b743eb0b1..45474a43686 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 dd7e0cad1e7..00fa10e59af 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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 01:02:31 +0000