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| author | Chuck Lever <chuck.lever@oracle.com> | 2017-08-03 14:30:44 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2017-08-08 10:52:01 -0400 |
| commit | e2a671904149c1c0aa438e3cbe7d0e8ad2cf8721 (patch) | |
| tree | 8d4e174de83896a1745dcd9bcf48a9a549bf9669 /net | |
| parent | fdf503e302c5e6ec136703b25bde989a34f0f27f (diff) | |
| download | linux-stable-e2a671904149c1c0aa438e3cbe7d0e8ad2cf8721.tar.gz linux-stable-e2a671904149c1c0aa438e3cbe7d0e8ad2cf8721.tar.bz2 linux-stable-e2a671904149c1c0aa438e3cbe7d0e8ad2cf8721.zip | |
xprtrdma: Remove rpcrdma_rep::rr_len
This field is no longer used outside the Receive completion handler.
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/rpc_rdma.c | 2 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 11 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 3 |
3 files changed, 5 insertions, 11 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index e422c0f63a69..621986156495 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -1178,7 +1178,7 @@ rpcrdma_reply_handler(struct work_struct *work) dprintk("RPC: %s: incoming rep %p\n", __func__, rep); - if (rep->rr_len == RPCRDMA_BAD_LEN) + if (rep->rr_hdrbuf.head[0].iov_len == 0) goto out_badstatus; xdr_init_decode(xdr, &rep->rr_hdrbuf, diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 74dbba84ad38..5d36c066552d 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -143,9 +143,6 @@ rpcrdma_update_granted_credits(struct rpcrdma_rep *rep) struct rpcrdma_buffer *buffer = &rep->rr_rxprt->rx_buf; u32 credits; - if (rep->rr_len < RPCRDMA_HDRLEN_ERR) - return; - credits = be32_to_cpu(rmsgp->rm_credit); if (credits == 0) credits = 1; /* don't deadlock */ @@ -176,16 +173,16 @@ rpcrdma_wc_receive(struct ib_cq *cq, struct ib_wc *wc) dprintk("RPC: %s: rep %p opcode 'recv', length %u: success\n", __func__, rep, wc->byte_len); - rep->rr_len = wc->byte_len; rpcrdma_set_xdrlen(&rep->rr_hdrbuf, wc->byte_len); rep->rr_wc_flags = wc->wc_flags; rep->rr_inv_rkey = wc->ex.invalidate_rkey; ib_dma_sync_single_for_cpu(rdmab_device(rep->rr_rdmabuf), rdmab_addr(rep->rr_rdmabuf), - rep->rr_len, DMA_FROM_DEVICE); + wc->byte_len, DMA_FROM_DEVICE); - rpcrdma_update_granted_credits(rep); + if (wc->byte_len >= RPCRDMA_HDRLEN_ERR) + rpcrdma_update_granted_credits(rep); out_schedule: queue_work(rpcrdma_receive_wq, &rep->rr_work); @@ -196,7 +193,7 @@ out_fail: pr_err("rpcrdma: Recv: %s (%u/0x%x)\n", ib_wc_status_msg(wc->status), wc->status, wc->vendor_err); - rep->rr_len = RPCRDMA_BAD_LEN; + rpcrdma_set_xdrlen(&rep->rr_hdrbuf, 0); goto out_schedule; } diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 13556ae11eec..d4a897af9d9b 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -218,7 +218,6 @@ enum { struct rpcrdma_rep { struct ib_cqe rr_cqe; - unsigned int rr_len; int rr_wc_flags; u32 rr_inv_rkey; struct rpcrdma_xprt *rr_rxprt; @@ -230,8 +229,6 @@ struct rpcrdma_rep { struct rpcrdma_regbuf *rr_rdmabuf; }; -#define RPCRDMA_BAD_LEN (~0U) - /* * struct rpcrdma_mw - external memory region metadata * |