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Merge branch 'linus/master' into rdma.git for-next

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rdma.git merge resolution for the 4.19 merge window

Conflicts:
 drivers/infiniband/core/rdma_core.c
   - Use the rdma code and revise with the new spelling for
     atomic_fetch_add_unless
 drivers/nvme/host/rdma.c
   - Replace max_sge with max_send_sge in new blk code
 drivers/nvme/target/rdma.c
   - Use the blk code and revise to use NULL for ib_post_recv when
     appropriate
   - Replace max_sge with max_recv_sge in new blk code
 net/rds/ib_send.c
   - Use the net code and revise to use NULL for ib_post_recv when
     appropriate

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe
2018-08-16 14:13:03 -06:00
parent 92f4e77c85 5c60a7389d
commit 0a3173a5f0
7051 changed files with 339696 additions and 129229 deletions
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33
net/rds/ib_recv.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2006 Oracle. All rights reserved.
* Copyright (c) 2006, 2017 Oracle and/or its affiliates. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@ -98,12 +98,12 @@ static void rds_ib_cache_xfer_to_ready(struct rds_ib_refill_cache *cache)
}
}
static int rds_ib_recv_alloc_cache(struct rds_ib_refill_cache *cache)
static int rds_ib_recv_alloc_cache(struct rds_ib_refill_cache *cache, gfp_t gfp)
{
struct rds_ib_cache_head *head;
int cpu;
cache->percpu = alloc_percpu(struct rds_ib_cache_head);
cache->percpu = alloc_percpu_gfp(struct rds_ib_cache_head, gfp);
if (!cache->percpu)
return -ENOMEM;
@ -118,13 +118,13 @@ static int rds_ib_recv_alloc_cache(struct rds_ib_refill_cache *cache)
return 0;
}
int rds_ib_recv_alloc_caches(struct rds_ib_connection *ic)
int rds_ib_recv_alloc_caches(struct rds_ib_connection *ic, gfp_t gfp)
{
int ret;
ret = rds_ib_recv_alloc_cache(&ic->i_cache_incs);
ret = rds_ib_recv_alloc_cache(&ic->i_cache_incs, gfp);
if (!ret) {
ret = rds_ib_recv_alloc_cache(&ic->i_cache_frags);
ret = rds_ib_recv_alloc_cache(&ic->i_cache_frags, gfp);
if (ret)
free_percpu(ic->i_cache_incs.percpu);
}
@ -266,7 +266,7 @@ static struct rds_ib_incoming *rds_ib_refill_one_inc(struct rds_ib_connection *i
rds_ib_stats_inc(s_ib_rx_total_incs);
}
INIT_LIST_HEAD(&ibinc->ii_frags);
rds_inc_init(&ibinc->ii_inc, ic->conn, ic->conn->c_faddr);
rds_inc_init(&ibinc->ii_inc, ic->conn, &ic->conn->c_faddr);
return ibinc;
}
@ -376,8 +376,6 @@ static void release_refill(struct rds_connection *conn)
* This tries to allocate and post unused work requests after making sure that
* they have all the allocations they need to queue received fragments into
* sockets.
*
* -1 is returned if posting fails due to temporary resource exhaustion.
*/
void rds_ib_recv_refill(struct rds_connection *conn, int prefill, gfp_t gfp)
{
@ -419,7 +417,7 @@ void rds_ib_recv_refill(struct rds_connection *conn, int prefill, gfp_t gfp)
ret = ib_post_recv(ic->i_cm_id->qp, &recv->r_wr, NULL);
if (ret) {
rds_ib_conn_error(conn, "recv post on "
"%pI4 returned %d, disconnecting and "
"%pI6c returned %d, disconnecting and "
"reconnecting\n", &conn->c_faddr,
ret);
break;
@ -848,7 +846,7 @@ static void rds_ib_process_recv(struct rds_connection *conn,
if (data_len < sizeof(struct rds_header)) {
rds_ib_conn_error(conn, "incoming message "
"from %pI4 didn't include a "
"from %pI6c didn't include a "
"header, disconnecting and "
"reconnecting\n",
&conn->c_faddr);
@ -861,7 +859,7 @@ static void rds_ib_process_recv(struct rds_connection *conn,
/* Validate the checksum. */
if (!rds_message_verify_checksum(ihdr)) {
rds_ib_conn_error(conn, "incoming message "
"from %pI4 has corrupted header - "
"from %pI6c has corrupted header - "
"forcing a reconnect\n",
&conn->c_faddr);
rds_stats_inc(s_recv_drop_bad_checksum);
@ -941,10 +939,10 @@ static void rds_ib_process_recv(struct rds_connection *conn,
ic->i_recv_data_rem = 0;
ic->i_ibinc = NULL;
if (ibinc->ii_inc.i_hdr.h_flags == RDS_FLAG_CONG_BITMAP)
if (ibinc->ii_inc.i_hdr.h_flags == RDS_FLAG_CONG_BITMAP) {
rds_ib_cong_recv(conn, ibinc);
else {
rds_recv_incoming(conn, conn->c_faddr, conn->c_laddr,
} else {
rds_recv_incoming(conn, &conn->c_faddr, &conn->c_laddr,
&ibinc->ii_inc, GFP_ATOMIC);
state->ack_next = be64_to_cpu(hdr->h_sequence);
state->ack_next_valid = 1;
@ -988,7 +986,7 @@ void rds_ib_recv_cqe_handler(struct rds_ib_connection *ic,
} else {
/* We expect errors as the qp is drained during shutdown */
if (rds_conn_up(conn) || rds_conn_connecting(conn))
rds_ib_conn_error(conn, "recv completion on <%pI4,%pI4> had status %u (%s), disconnecting and reconnecting\n",
rds_ib_conn_error(conn, "recv completion on <%pI6c,%pI6c> had status %u (%s), disconnecting and reconnecting\n",
&conn->c_laddr, &conn->c_faddr,
wc->status,
ib_wc_status_msg(wc->status));
@ -1023,7 +1021,6 @@ int rds_ib_recv_path(struct rds_conn_path *cp)
{
struct rds_connection *conn = cp->cp_conn;
struct rds_ib_connection *ic = conn->c_transport_data;
int ret = 0;
rdsdebug("conn %p\n", conn);
if (rds_conn_up(conn)) {
@ -1032,7 +1029,7 @@ int rds_ib_recv_path(struct rds_conn_path *cp)
rds_ib_stats_inc(s_ib_rx_refill_from_thread);
}
return ret;
return 0;
}
int rds_ib_recv_init(void)