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xprtrdma: Set LOCAL_WRITE for memory regions with REMOTE_WRITE

PATCH New Steve Wise 1 participant 1 message Apr 16, 2014

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PATCH 1/1 xprtrdma: Set LOCAL_WRITE for memory regions with REMOTE_WRITE

The commit below enforces the requirement that MRs with REMOTE_WRITE must also have LOCAL_WRITE:

commit 1c636f801615bdfc9b1d46904e8258c7a025670b

Author: Eli Cohen <[email protected]>
Date:   Thu Oct 31 15:26:32 2013 +0200

IB/core: Encorce MR access rights rules on kernel consumers

Signed-off-by Steve Wise <[email protected]>

---

 net/sunrpc/xprtrdma/verbs.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
net/sunrpc/xprtrdma/verbs.c +2 -1
index 9b038e1..65ce677 100644
@@ -1637,7 +1637,8 @@ static int
 rpcrdma_register_default_external(struct rpcrdma_mr_seg *seg,
 			int *nsegs, int writing, struct rpcrdma_ia *ia)
 {
-	int mem_priv = (writing ? IB_ACCESS_REMOTE_WRITE :
+	int mem_priv = (writing ? IB_ACCESS_REMOTE_WRITE |
+				  IB_ACCESS_LOCAL_WRITE :
 				  IB_ACCESS_REMOTE_READ);
 	struct rpcrdma_mr_seg *seg1 = seg;
 	struct ib_phys_buf ipb[RPCRDMA_MAX_DATA_SEGS];