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| author | Chuck Lever <chuck.lever@oracle.com> | 2014-05-28 10:32:26 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2014-06-04 08:56:37 -0400 |
| commit | 03ff8821eb5ed168792667cfc3ddff903e97af99 (patch) | |
| tree | f46d70c7791f9045bb5e96ae5cfdb8ee9d4f6eb0 /net/sunrpc/xprtrdma/verbs.c | |
| parent | 254f91e2fa1f4cc18fd2eb9d5481888ffe126d5b (diff) | |
| download | op-kernel-dev-03ff8821eb5ed168792667cfc3ddff903e97af99.zip op-kernel-dev-03ff8821eb5ed168792667cfc3ddff903e97af99.tar.gz | |
xprtrdma: Remove BOUNCEBUFFERS memory registration mode
Clean up: This memory registration mode is slow and was never
meant for use in production environments. Remove it to reduce
implementation complexity.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/verbs.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 9cb88f3..4a4e4ea 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -557,7 +557,6 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) * adapter. */ switch (memreg) { - case RPCRDMA_BOUNCEBUFFERS: case RPCRDMA_REGISTER: case RPCRDMA_FRMR: break; @@ -778,9 +777,7 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia, /* Client offers RDMA Read but does not initiate */ ep->rep_remote_cma.initiator_depth = 0; - if (ia->ri_memreg_strategy == RPCRDMA_BOUNCEBUFFERS) - ep->rep_remote_cma.responder_resources = 0; - else if (devattr.max_qp_rd_atom > 32) /* arbitrary but <= 255 */ + if (devattr.max_qp_rd_atom > 32) /* arbitrary but <= 255 */ ep->rep_remote_cma.responder_resources = 32; else ep->rep_remote_cma.responder_resources = devattr.max_qp_rd_atom; |
