Vlad,
Please pull this fix for bug 1609 from:
ssh://[email protected]/~swise/scm/ofed-1.4.git ofed_1_4
Thanks,
Steve.
-------- Original Message --------
Subject: [PATCH 2.6.30] xprtrdma: The frmr iova_start values are
truncated by the nfs rdma client.
Date: Fri, 24 Apr 2009 14:05:10 -0500
From: Steve Wise <[email protected]>
To: [email protected]
CC: [email protected], [email protected],
[email protected]
A bad cast causes the iova_start, which in this case is a DMA bus address,
to be truncated on 32b systems. No cast is needed.
Signed-off-by: Steve Wise <[email protected]>
---
net/sunrpc/xprtrdma/verbs.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 3b21e0c..3a374f5 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1489,7 +1489,7 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg,
memset(&frmr_wr, 0, sizeof frmr_wr);
frmr_wr.opcode = IB_WR_FAST_REG_MR;
frmr_wr.send_flags = 0; /* unsignaled */
- frmr_wr.wr.fast_reg.iova_start = (unsigned long)seg1->mr_dma;
+ frmr_wr.wr.fast_reg.iova_start = seg1->mr_dma;
frmr_wr.wr.fast_reg.page_list = seg1->mr_chunk.rl_mw->r.frmr.fr_pgl;
frmr_wr.wr.fast_reg.page_list_len = i;
frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT;
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