From: Vu Pham Date: Tue, 26 May 2009 18:51:00 +0000 (-0400) Subject: XPRTRDMA: fix client rpcrdma FRMR registration on mlx4 devices X-Git-Tag: firefly_0821_release~14101^2~2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=68743082b560067e3e93eab8b2568f238e486865;p=firefly-linux-kernel-4.4.55.git XPRTRDMA: fix client rpcrdma FRMR registration on mlx4 devices mlx4/connectX FRMR requires local write enable together with remote rdma write enable. This fixes NFS/RDMA operation over the ConnectX Infiniband HCA in the default memreg mode. Signed-off-by: Vu Pham Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 3b21e0cc5e69..465aafc2007f 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -1495,7 +1495,8 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT; frmr_wr.wr.fast_reg.length = i << PAGE_SHIFT; frmr_wr.wr.fast_reg.access_flags = (writing ? - IB_ACCESS_REMOTE_WRITE : IB_ACCESS_REMOTE_READ); + IB_ACCESS_REMOTE_WRITE | IB_ACCESS_LOCAL_WRITE : + IB_ACCESS_REMOTE_READ); frmr_wr.wr.fast_reg.rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey; DECR_CQCOUNT(&r_xprt->rx_ep);