xprtrdma: Eliminate "ia" argument in rpcrdma_{alloc, free}_regbuf
authorChuck Lever <chuck.lever@oracle.com>
Thu, 15 Sep 2016 14:56:26 +0000 (10:56 -0400)
committerAnna Schumaker <Anna.Schumaker@Netapp.com>
Mon, 19 Sep 2016 17:08:38 +0000 (13:08 -0400)
Clean up. The "ia" argument is no longer used.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
net/sunrpc/xprtrdma/backchannel.c
net/sunrpc/xprtrdma/transport.c
net/sunrpc/xprtrdma/verbs.c
net/sunrpc/xprtrdma/xprt_rdma.h

index 8bc249e..a19530d 100644 (file)
@@ -27,7 +27,7 @@ static void rpcrdma_bc_free_rqst(struct rpcrdma_xprt *r_xprt,
        list_del(&req->rl_all);
        spin_unlock(&buf->rb_reqslock);
 
-       rpcrdma_destroy_req(&r_xprt->rx_ia, req);
+       rpcrdma_destroy_req(req);
 
        kfree(rqst);
 }
@@ -35,7 +35,6 @@ static void rpcrdma_bc_free_rqst(struct rpcrdma_xprt *r_xprt,
 static int rpcrdma_bc_setup_rqst(struct rpcrdma_xprt *r_xprt,
                                 struct rpc_rqst *rqst)
 {
-       struct rpcrdma_ia *ia = &r_xprt->rx_ia;
        struct rpcrdma_regbuf *rb;
        struct rpcrdma_req *req;
        size_t size;
@@ -45,14 +44,14 @@ static int rpcrdma_bc_setup_rqst(struct rpcrdma_xprt *r_xprt,
                return PTR_ERR(req);
        req->rl_backchannel = true;
 
-       rb = rpcrdma_alloc_regbuf(ia, RPCRDMA_HDRBUF_SIZE,
+       rb = rpcrdma_alloc_regbuf(RPCRDMA_HDRBUF_SIZE,
                                  DMA_TO_DEVICE, GFP_KERNEL);
        if (IS_ERR(rb))
                goto out_fail;
        req->rl_rdmabuf = rb;
 
        size = r_xprt->rx_data.inline_rsize;
-       rb = rpcrdma_alloc_regbuf(ia, size, DMA_TO_DEVICE, GFP_KERNEL);
+       rb = rpcrdma_alloc_regbuf(size, DMA_TO_DEVICE, GFP_KERNEL);
        if (IS_ERR(rb))
                goto out_fail;
        req->rl_sendbuf = rb;
index 3424691..5adaa1d 100644 (file)
@@ -490,7 +490,7 @@ rpcrdma_get_rdmabuf(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
        if (req->rl_rdmabuf)
                return true;
 
-       rb = rpcrdma_alloc_regbuf(&r_xprt->rx_ia, size, DMA_TO_DEVICE, flags);
+       rb = rpcrdma_alloc_regbuf(size, DMA_TO_DEVICE, flags);
        if (IS_ERR(rb))
                return false;
 
@@ -517,12 +517,11 @@ rpcrdma_get_sendbuf(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
                return true;
 
        min_size = max_t(size_t, size, r_xprt->rx_data.inline_wsize);
-       rb = rpcrdma_alloc_regbuf(&r_xprt->rx_ia, min_size,
-                                 DMA_TO_DEVICE, flags);
+       rb = rpcrdma_alloc_regbuf(min_size, DMA_TO_DEVICE, flags);
        if (IS_ERR(rb))
                return false;
 
-       rpcrdma_free_regbuf(&r_xprt->rx_ia, req->rl_sendbuf);
+       rpcrdma_free_regbuf(req->rl_sendbuf);
        r_xprt->rx_stats.hardway_register_count += min_size;
        req->rl_sendbuf = rb;
        return true;
@@ -548,11 +547,11 @@ rpcrdma_get_recvbuf(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
        if (req->rl_recvbuf && rdmab_length(req->rl_recvbuf) >= size)
                return true;
 
-       rb = rpcrdma_alloc_regbuf(&r_xprt->rx_ia, size, DMA_NONE, flags);
+       rb = rpcrdma_alloc_regbuf(size, DMA_NONE, flags);
        if (IS_ERR(rb))
                return false;
 
-       rpcrdma_free_regbuf(&r_xprt->rx_ia, req->rl_recvbuf);
+       rpcrdma_free_regbuf(req->rl_recvbuf);
        r_xprt->rx_stats.hardway_register_count += size;
        req->rl_recvbuf = rb;
        return true;
index 09346cd..1f7f4a9 100644 (file)
@@ -865,7 +865,7 @@ rpcrdma_create_rep(struct rpcrdma_xprt *r_xprt)
        if (rep == NULL)
                goto out;
 
-       rep->rr_rdmabuf = rpcrdma_alloc_regbuf(ia, cdata->inline_rsize,
+       rep->rr_rdmabuf = rpcrdma_alloc_regbuf(cdata->inline_rsize,
                                               DMA_FROM_DEVICE, GFP_KERNEL);
        if (IS_ERR(rep->rr_rdmabuf)) {
                rc = PTR_ERR(rep->rr_rdmabuf);
@@ -966,18 +966,18 @@ rpcrdma_buffer_get_rep_locked(struct rpcrdma_buffer *buf)
 }
 
 static void
-rpcrdma_destroy_rep(struct rpcrdma_ia *ia, struct rpcrdma_rep *rep)
+rpcrdma_destroy_rep(struct rpcrdma_rep *rep)
 {
-       rpcrdma_free_regbuf(ia, rep->rr_rdmabuf);
+       rpcrdma_free_regbuf(rep->rr_rdmabuf);
        kfree(rep);
 }
 
 void
-rpcrdma_destroy_req(struct rpcrdma_ia *ia, struct rpcrdma_req *req)
+rpcrdma_destroy_req(struct rpcrdma_req *req)
 {
-       rpcrdma_free_regbuf(ia, req->rl_recvbuf);
-       rpcrdma_free_regbuf(ia, req->rl_sendbuf);
-       rpcrdma_free_regbuf(ia, req->rl_rdmabuf);
+       rpcrdma_free_regbuf(req->rl_recvbuf);
+       rpcrdma_free_regbuf(req->rl_sendbuf);
+       rpcrdma_free_regbuf(req->rl_rdmabuf);
        kfree(req);
 }
 
@@ -1010,15 +1010,13 @@ rpcrdma_destroy_mrs(struct rpcrdma_buffer *buf)
 void
 rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf)
 {
-       struct rpcrdma_ia *ia = rdmab_to_ia(buf);
-
        cancel_delayed_work_sync(&buf->rb_recovery_worker);
 
        while (!list_empty(&buf->rb_recv_bufs)) {
                struct rpcrdma_rep *rep;
 
                rep = rpcrdma_buffer_get_rep_locked(buf);
-               rpcrdma_destroy_rep(ia, rep);
+               rpcrdma_destroy_rep(rep);
        }
        buf->rb_send_count = 0;
 
@@ -1031,7 +1029,7 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf)
                list_del(&req->rl_all);
 
                spin_unlock(&buf->rb_reqslock);
-               rpcrdma_destroy_req(ia, req);
+               rpcrdma_destroy_req(req);
                spin_lock(&buf->rb_reqslock);
        }
        spin_unlock(&buf->rb_reqslock);
@@ -1174,7 +1172,6 @@ rpcrdma_recv_buffer_put(struct rpcrdma_rep *rep)
 
 /**
  * rpcrdma_alloc_regbuf - allocate and DMA-map memory for SEND/RECV buffers
- * @ia: controlling rpcrdma_ia
  * @size: size of buffer to be allocated, in bytes
  * @direction: direction of data movement
  * @flags: GFP flags
@@ -1187,8 +1184,8 @@ rpcrdma_recv_buffer_put(struct rpcrdma_rep *rep)
  * or Replies they may be registered externally via ro_map.
  */
 struct rpcrdma_regbuf *
-rpcrdma_alloc_regbuf(struct rpcrdma_ia *ia, size_t size,
-                    enum dma_data_direction direction, gfp_t flags)
+rpcrdma_alloc_regbuf(size_t size, enum dma_data_direction direction,
+                    gfp_t flags)
 {
        struct rpcrdma_regbuf *rb;
 
@@ -1239,11 +1236,10 @@ rpcrdma_dma_unmap_regbuf(struct rpcrdma_regbuf *rb)
 
 /**
  * rpcrdma_free_regbuf - deregister and free registered buffer
- * @ia: controlling rpcrdma_ia
  * @rb: regbuf to be deregistered and freed
  */
 void
-rpcrdma_free_regbuf(struct rpcrdma_ia *ia, struct rpcrdma_regbuf *rb)
+rpcrdma_free_regbuf(struct rpcrdma_regbuf *rb)
 {
        if (!rb)
                return;
index d37ee24..4875af7 100644 (file)
@@ -465,7 +465,7 @@ int rpcrdma_ep_post_recv(struct rpcrdma_ia *, struct rpcrdma_ep *,
  */
 struct rpcrdma_req *rpcrdma_create_req(struct rpcrdma_xprt *);
 struct rpcrdma_rep *rpcrdma_create_rep(struct rpcrdma_xprt *);
-void rpcrdma_destroy_req(struct rpcrdma_ia *, struct rpcrdma_req *);
+void rpcrdma_destroy_req(struct rpcrdma_req *);
 int rpcrdma_buffer_create(struct rpcrdma_xprt *);
 void rpcrdma_buffer_destroy(struct rpcrdma_buffer *);
 
@@ -478,12 +478,10 @@ void rpcrdma_recv_buffer_put(struct rpcrdma_rep *);
 
 void rpcrdma_defer_mr_recovery(struct rpcrdma_mw *);
 
-struct rpcrdma_regbuf *rpcrdma_alloc_regbuf(struct rpcrdma_ia *,
-                                           size_t, enum dma_data_direction,
+struct rpcrdma_regbuf *rpcrdma_alloc_regbuf(size_t, enum dma_data_direction,
                                            gfp_t);
 bool __rpcrdma_dma_map_regbuf(struct rpcrdma_ia *, struct rpcrdma_regbuf *);
-void rpcrdma_free_regbuf(struct rpcrdma_ia *,
-                        struct rpcrdma_regbuf *);
+void rpcrdma_free_regbuf(struct rpcrdma_regbuf *);
 
 static inline bool
 rpcrdma_regbuf_is_mapped(struct rpcrdma_regbuf *rb)