The commit below enforces the requirement that MRs with REMOTE_WRITE
must also have LOCAL_WRITE:
commit 1c636f801615bdfc9b1d46904e8258c7a025670b
Author: Eli Cohen <eli@xxxxxxxxxxxxxxxxxx>
Date: Thu Oct 31 15:26:32 2013 +0200
IB/core: Encorce MR access rights rules on kernel consumers
Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
---
net/sunrpc/xprtrdma/verbs.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 9b038e1..65ce677 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -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];
--
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