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-rw-r--r--net/sunrpc/xprtrdma/frwr_ops.c5
-rw-r--r--net/sunrpc/xprtrdma/rpc_rdma.c6
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h2
3 files changed, 8 insertions, 5 deletions
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index fb0944d854c9..97f88bbc9047 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -379,6 +379,7 @@ frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc)
* @seg: memory region co-ordinates
* @nsegs: number of segments remaining
* @writing: true when RDMA Write will be used
+ * @xid: XID of RPC using the registered memory
* @out: initialized MR
*
* Prepare a REG_MR Work Request to register a memory region
@@ -389,7 +390,7 @@ frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc)
*/
struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
struct rpcrdma_mr_seg *seg,
- int nsegs, bool writing,
+ int nsegs, bool writing, u32 xid,
struct rpcrdma_mr **out)
{
struct rpcrdma_ia *ia = &r_xprt->rx_ia;
@@ -444,6 +445,8 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
if (unlikely(n != mr->mr_nents))
goto out_mapmr_err;
+ ibmr->iova &= 0x00000000ffffffff;
+ ibmr->iova |= ((u64)cpu_to_be32(xid)) << 32;
key = (u8)(ibmr->rkey & 0x000000FF);
ib_update_fast_reg_key(ibmr, ++key);
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index 2a2023d320e7..3804fb30bdcf 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -356,7 +356,7 @@ rpcrdma_encode_read_list(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
return nsegs;
do {
- seg = frwr_map(r_xprt, seg, nsegs, false, &mr);
+ seg = frwr_map(r_xprt, seg, nsegs, false, rqst->rq_xid, &mr);
if (IS_ERR(seg))
return PTR_ERR(seg);
rpcrdma_mr_push(mr, &req->rl_registered);
@@ -413,7 +413,7 @@ rpcrdma_encode_write_list(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
nchunks = 0;
do {
- seg = frwr_map(r_xprt, seg, nsegs, true, &mr);
+ seg = frwr_map(r_xprt, seg, nsegs, true, rqst->rq_xid, &mr);
if (IS_ERR(seg))
return PTR_ERR(seg);
rpcrdma_mr_push(mr, &req->rl_registered);
@@ -470,7 +470,7 @@ rpcrdma_encode_reply_chunk(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req,
nchunks = 0;
do {
- seg = frwr_map(r_xprt, seg, nsegs, true, &mr);
+ seg = frwr_map(r_xprt, seg, nsegs, true, rqst->rq_xid, &mr);
if (IS_ERR(seg))
return PTR_ERR(seg);
rpcrdma_mr_push(mr, &req->rl_registered);
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index c42a0036a0bd..ff4eab1c3bf1 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -580,7 +580,7 @@ void frwr_release_mr(struct rpcrdma_mr *mr);
size_t frwr_maxpages(struct rpcrdma_xprt *r_xprt);
struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
struct rpcrdma_mr_seg *seg,
- int nsegs, bool writing,
+ int nsegs, bool writing, u32 xid,
struct rpcrdma_mr **mr);
int frwr_send(struct rpcrdma_ia *ia, struct rpcrdma_req *req);
void frwr_reminv(struct rpcrdma_rep *rep, struct list_head *mrs);