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authorChuck Lever <chuck.lever@oracle.com>2017-08-03 20:30:52 +0200
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2017-08-08 16:52:01 +0200
commitc1bcb68e39e4d58dbb73ac4a390c32b16185a91b (patch)
tree3bfe4f909555b2379a50753292a204c5b11677c8 /net
parentxprtrdma: Remove rpcrdma_rep::rr_len (diff)
downloadlinux-c1bcb68e39e4d58dbb73ac4a390c32b16185a91b.tar.xz
linux-c1bcb68e39e4d58dbb73ac4a390c32b16185a91b.zip
xprtrdma: Clean up XDR decoding in rpcrdma_update_granted_credits()
Clean up: Replace C-structure based XDR decoding for consistency with other areas. struct rpcrdma_rep is rearranged slightly so that the relevant fields are in cache when the Receive completion handler is invoked. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/xprtrdma/verbs.c4
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 5d36c066552d..c78fb27c20ed 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -139,11 +139,11 @@ rpcrdma_wc_send(struct ib_cq *cq, struct ib_wc *wc)
static void
rpcrdma_update_granted_credits(struct rpcrdma_rep *rep)
{
- struct rpcrdma_msg *rmsgp = rdmab_to_msg(rep->rr_rdmabuf);
struct rpcrdma_buffer *buffer = &rep->rr_rxprt->rx_buf;
+ __be32 *p = rep->rr_rdmabuf->rg_base;
u32 credits;
- credits = be32_to_cpu(rmsgp->rm_credit);
+ credits = be32_to_cpup(p + 2);
if (credits == 0)
credits = 1; /* don't deadlock */
else if (credits > buffer->rb_max_requests)
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index d4a897af9d9b..52e73eaacebb 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -220,13 +220,13 @@ struct rpcrdma_rep {
struct ib_cqe rr_cqe;
int rr_wc_flags;
u32 rr_inv_rkey;
+ struct rpcrdma_regbuf *rr_rdmabuf;
struct rpcrdma_xprt *rr_rxprt;
struct work_struct rr_work;
struct xdr_buf rr_hdrbuf;
struct xdr_stream rr_stream;
struct list_head rr_list;
struct ib_recv_wr rr_recv_wr;
- struct rpcrdma_regbuf *rr_rdmabuf;
};
/*