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Commit 13650c23 authored by Chuck Lever's avatar Chuck Lever Committed by Anna Schumaker
Browse files

xprtrdma: Eliminate "ia" argument in rpcrdma_{alloc, free}_regbuf 



Clean up. The "ia" argument is no longer used.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 54cbd6b0

net/sunrpc/xprtrdma/backchannel.c

+3 −4
Original line number Diff line number Diff line
@@ -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;

net/sunrpc/xprtrdma/transport.c

+5 −6
Original line number Diff line number Diff line
@@ -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;

net/sunrpc/xprtrdma/verbs.c

+12 −16
Original line number Diff line number Diff line
@@ -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;

net/sunrpc/xprtrdma/xprt_rdma.h

+3 −5
Original line number Diff line number Diff line
@@ -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)