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authorJason Gunthorpe <jgunthorpe@obsidianresearch.com>2015-07-30 17:22:26 -0600
committerDoug Ledford <dledford@redhat.com>2015-08-30 18:12:36 -0400
commite5580242aa8fab292579a1661463f7479275f7ff (patch)
tree2616a0aa9c3db96deec740b61f4b31acae0c47b9 /net/rds
parent2f31fa881fbe70808b945a6d23cae1ca8eadf1b3 (diff)
downloadlinux-e5580242aa8fab292579a1661463f7479275f7ff.tar.bz2
rds/ib: Remove ib_get_dma_mr calls
The pd now has a local_dma_lkey member which completely replaces ib_get_dma_mr, use it instead. Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'net/rds')
-rw-r--r--net/rds/ib.c8
-rw-r--r--net/rds/ib.h2
-rw-r--r--net/rds/ib_cm.c4
-rw-r--r--net/rds/ib_recv.c6
-rw-r--r--net/rds/ib_send.c8
5 files changed, 8 insertions, 20 deletions
diff --git a/net/rds/ib.c b/net/rds/ib.c
index 348ac37c1161..c6f95b9494ae 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -99,8 +99,6 @@ static void rds_ib_dev_free(struct work_struct *work)
if (rds_ibdev->mr_pool)
rds_ib_destroy_mr_pool(rds_ibdev->mr_pool);
- if (rds_ibdev->mr)
- ib_dereg_mr(rds_ibdev->mr);
if (rds_ibdev->pd)
ib_dealloc_pd(rds_ibdev->pd);
@@ -164,12 +162,6 @@ static void rds_ib_add_one(struct ib_device *device)
goto put_dev;
}
- rds_ibdev->mr = ib_get_dma_mr(rds_ibdev->pd, IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(rds_ibdev->mr)) {
- rds_ibdev->mr = NULL;
- goto put_dev;
- }
-
rds_ibdev->mr_pool = rds_ib_create_mr_pool(rds_ibdev);
if (IS_ERR(rds_ibdev->mr_pool)) {
rds_ibdev->mr_pool = NULL;
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 86d88ec5d556..36f7d808ffaa 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -100,7 +100,6 @@ struct rds_ib_connection {
/* alphabet soup, IBTA style */
struct rdma_cm_id *i_cm_id;
struct ib_pd *i_pd;
- struct ib_mr *i_mr;
struct ib_cq *i_send_cq;
struct ib_cq *i_recv_cq;
@@ -173,7 +172,6 @@ struct rds_ib_device {
struct list_head conn_list;
struct ib_device *dev;
struct ib_pd *pd;
- struct ib_mr *mr;
struct rds_ib_mr_pool *mr_pool;
unsigned int fmr_max_remaps;
unsigned int max_fmrs;
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 0da2a45b33bd..a75e8832bc23 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -269,7 +269,6 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
/* Protection domain and memory range */
ic->i_pd = rds_ibdev->pd;
- ic->i_mr = rds_ibdev->mr;
cq_attr.cqe = ic->i_send_ring.w_nr + 1;
ic->i_send_cq = ib_create_cq(dev, rds_ib_send_cq_comp_handler,
@@ -375,7 +374,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
rds_ib_recv_init_ack(ic);
- rdsdebug("conn %p pd %p mr %p cq %p %p\n", conn, ic->i_pd, ic->i_mr,
+ rdsdebug("conn %p pd %p cq %p %p\n", conn, ic->i_pd,
ic->i_send_cq, ic->i_recv_cq);
out:
@@ -678,7 +677,6 @@ void rds_ib_conn_shutdown(struct rds_connection *conn)
ic->i_cm_id = NULL;
ic->i_pd = NULL;
- ic->i_mr = NULL;
ic->i_send_cq = NULL;
ic->i_recv_cq = NULL;
ic->i_send_hdrs = NULL;
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index cac5b4506ee3..0ceb4c60d2a3 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -62,12 +62,12 @@ void rds_ib_recv_init_ring(struct rds_ib_connection *ic)
sge = &recv->r_sge[0];
sge->addr = ic->i_recv_hdrs_dma + (i * sizeof(struct rds_header));
sge->length = sizeof(struct rds_header);
- sge->lkey = ic->i_mr->lkey;
+ sge->lkey = ic->i_pd->local_dma_lkey;
sge = &recv->r_sge[1];
sge->addr = 0;
sge->length = RDS_FRAG_SIZE;
- sge->lkey = ic->i_mr->lkey;
+ sge->lkey = ic->i_pd->local_dma_lkey;
}
}
@@ -520,7 +520,7 @@ void rds_ib_recv_init_ack(struct rds_ib_connection *ic)
sge->addr = ic->i_ack_dma;
sge->length = sizeof(struct rds_header);
- sge->lkey = ic->i_mr->lkey;
+ sge->lkey = ic->i_pd->local_dma_lkey;
wr->sg_list = sge;
wr->num_sge = 1;
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 5d0a704fa039..f6c829d43373 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -202,9 +202,9 @@ void rds_ib_send_init_ring(struct rds_ib_connection *ic)
sge = &send->s_sge[0];
sge->addr = ic->i_send_hdrs_dma + (i * sizeof(struct rds_header));
sge->length = sizeof(struct rds_header);
- sge->lkey = ic->i_mr->lkey;
+ sge->lkey = ic->i_pd->local_dma_lkey;
- send->s_sge[1].lkey = ic->i_mr->lkey;
+ send->s_sge[1].lkey = ic->i_pd->local_dma_lkey;
}
}
@@ -813,7 +813,7 @@ int rds_ib_xmit_atomic(struct rds_connection *conn, struct rm_atomic_op *op)
/* Convert our struct scatterlist to struct ib_sge */
send->s_sge[0].addr = ib_sg_dma_address(ic->i_cm_id->device, op->op_sg);
send->s_sge[0].length = ib_sg_dma_len(ic->i_cm_id->device, op->op_sg);
- send->s_sge[0].lkey = ic->i_mr->lkey;
+ send->s_sge[0].lkey = ic->i_pd->local_dma_lkey;
rdsdebug("rva %Lx rpa %Lx len %u\n", op->op_remote_addr,
send->s_sge[0].addr, send->s_sge[0].length);
@@ -927,7 +927,7 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
send->s_sge[j].addr =
ib_sg_dma_address(ic->i_cm_id->device, scat);
send->s_sge[j].length = len;
- send->s_sge[j].lkey = ic->i_mr->lkey;
+ send->s_sge[j].lkey = ic->i_pd->local_dma_lkey;
sent += len;
rdsdebug("ic %p sent %d remote_addr %llu\n", ic, sent, remote_addr);