diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2015-01-21 11:03:35 -0500 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2015-01-30 10:47:48 -0500 |
| commit | ce1ab9ab47973dcff7548abda20e49add2c4ca95 (patch) | |
| tree | a10f985b153136992204b307d890159471379a55 /net/sunrpc | |
| parent | 7bc7972cdd1f137552ca979caa11c8acbe119ae8 (diff) | |
xprtrdma: Take struct ib_qp_attr and ib_qp_init_attr off the stack
Reduce stack footprint of the connection upcall handler function.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 15 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 2 |
2 files changed, 10 insertions, 7 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 123bb04dd823..958b372cb919 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -425,8 +425,8 @@ rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event) #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) struct sockaddr_in *addr = (struct sockaddr_in *) &ep->rep_remote_addr; #endif - struct ib_qp_attr attr; - struct ib_qp_init_attr iattr; + struct ib_qp_attr *attr = &ia->ri_qp_attr; + struct ib_qp_init_attr *iattr = &ia->ri_qp_init_attr; int connstate = 0; switch (event->event) { @@ -449,12 +449,13 @@ rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event) break; case RDMA_CM_EVENT_ESTABLISHED: connstate = 1; - ib_query_qp(ia->ri_id->qp, &attr, - IB_QP_MAX_QP_RD_ATOMIC | IB_QP_MAX_DEST_RD_ATOMIC, - &iattr); + ib_query_qp(ia->ri_id->qp, attr, + IB_QP_MAX_QP_RD_ATOMIC | IB_QP_MAX_DEST_RD_ATOMIC, + iattr); dprintk("RPC: %s: %d responder resources" " (%d initiator)\n", - __func__, attr.max_dest_rd_atomic, attr.max_rd_atomic); + __func__, attr->max_dest_rd_atomic, + attr->max_rd_atomic); goto connected; case RDMA_CM_EVENT_CONNECT_ERROR: connstate = -ENOTCONN; @@ -487,7 +488,7 @@ connected: #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) if (connstate == 1) { - int ird = attr.max_dest_rd_atomic; + int ird = attr->max_dest_rd_atomic; int tird = ep->rep_remote_cma.responder_resources; printk(KERN_INFO "rpcrdma: connection to %pI4:%u " "on %s, memreg %d slots %d ird %d%s\n", diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index ec596cebc966..2b4e7787734d 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -71,6 +71,8 @@ struct rpcrdma_ia { enum rpcrdma_memreg ri_memreg_strategy; unsigned int ri_max_frmr_depth; struct ib_device_attr ri_devattr; + struct ib_qp_attr ri_qp_attr; + struct ib_qp_init_attr ri_qp_init_attr; }; /* |