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xprtrdma: Remove rpcrdma_memreg_ops

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Clean up: Now that there is only FRWR, there is no need for a memory
registration switch. The indirect calls to the memreg operations can
be replaced with faster direct calls.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2018-12-19 10:59:01 -05:00
committed by Anna Schumaker
父節點 ba69cd122e
當前提交 5f62412be3
共有 5 個文件被更改，包括 116 次插入 和 101 次删除
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22
net/sunrpc/xprtrdma/verbs.c
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@@ -289,10 +289,9 @@ disconnected:
break;
}
dprintk("RPC: %s: %s:%s on %s/%s: %s\n", __func__,
dprintk("RPC: %s: %s:%s on %s/frwr: %s\n", __func__,
rpcrdma_addrstr(r_xprt), rpcrdma_portstr(r_xprt),
ia->ri_device->name, ia->ri_ops->ro_displayname,
rdma_event_msg(event->event));
ia->ri_device->name, rdma_event_msg(event->event));
return 0;
}
@@ -392,10 +391,8 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt)
switch (xprt_rdma_memreg_strategy) {
case RPCRDMA_FRWR:
if (frwr_is_supported(ia)) {
ia->ri_ops = &rpcrdma_frwr_memreg_ops;
if (frwr_is_supported(ia))
break;
}
/*FALLTHROUGH*/
default:
pr_err("rpcrdma: Device %s does not support memreg mode %d\n",
@@ -509,7 +506,7 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
}
ia->ri_max_send_sges = max_sge;
rc = ia->ri_ops->ro_open(ia, ep, cdata);
rc = frwr_open(ia, ep, cdata);
if (rc)
return rc;
@@ -567,7 +564,7 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
/* Prepare RDMA-CM private message */
pmsg->cp_magic = rpcrdma_cmp_magic;
pmsg->cp_version = RPCRDMA_CMP_VERSION;
pmsg->cp_flags |= ia->ri_ops->ro_send_w_inv_ok;
pmsg->cp_flags |= RPCRDMA_CMP_F_SND_W_INV_OK;
pmsg->cp_send_size = rpcrdma_encode_buffer_size(cdata->inline_wsize);
pmsg->cp_recv_size = rpcrdma_encode_buffer_size(cdata->inline_rsize);
ep->rep_remote_cma.private_data = pmsg;
@@ -991,7 +988,7 @@ rpcrdma_mrs_create(struct rpcrdma_xprt *r_xprt)
if (!mr)
break;
rc = ia->ri_ops->ro_init_mr(ia, mr);
rc = frwr_init_mr(ia, mr);
if (rc) {
kfree(mr);
break;
@@ -1171,7 +1168,6 @@ rpcrdma_mrs_destroy(struct rpcrdma_buffer *buf)
{
struct rpcrdma_xprt *r_xprt = container_of(buf, struct rpcrdma_xprt,
rx_buf);
struct rpcrdma_ia *ia = rdmab_to_ia(buf);
struct rpcrdma_mr *mr;
unsigned int count;
@@ -1187,7 +1183,7 @@ rpcrdma_mrs_destroy(struct rpcrdma_buffer *buf)
if (!list_empty(&mr->mr_list))
list_del(&mr->mr_list);
ia->ri_ops->ro_release_mr(mr);
frwr_release_mr(mr);
count++;
spin_lock(&buf->rb_mrlock);
}
@@ -1381,7 +1377,7 @@ rpcrdma_recv_buffer_put(struct rpcrdma_rep *rep)
*
* xprtrdma uses a regbuf for posting an outgoing RDMA SEND, or for
* receiving the payload of RDMA RECV operations. During Long Calls
* or Replies they may be registered externally via ro_map.
* or Replies they may be registered externally via frwr_map.
*/
struct rpcrdma_regbuf *
rpcrdma_alloc_regbuf(size_t size, enum dma_data_direction direction,
@@ -1472,7 +1468,7 @@ rpcrdma_ep_post(struct rpcrdma_ia *ia,
--ep->rep_send_count;
}
rc = ia->ri_ops->ro_send(ia, req);
rc = frwr_send(ia, req);
trace_xprtrdma_post_send(req, rc);
if (rc)
return -ENOTCONN;