Instead of relying on a completion to change the state of an FRMR
to FRMR_IS_VALID, set it in advance. If an error occurs, a completion
will fire anyway and mark the FRMR FRMR_IS_STALE.
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
net/sunrpc/xprtrdma/verbs.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 78290bb..e83eda6 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -159,10 +159,7 @@ rpcrdma_sendcq_process_wc(struct ib_wc *wc)
return;
}
- if (wc->opcode == IB_WC_FAST_REG_MR)
- frmr->r.frmr.fr_state = FRMR_IS_VALID;
- else if (wc->opcode == IB_WC_LOCAL_INV)
- frmr->r.frmr.fr_state = FRMR_IS_INVALID;
+ frmr->r.frmr.fr_state = FRMR_IS_INVALID;
}
static int
@@ -1740,10 +1737,11 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg,
dprintk("RPC: %s: Using frmr %p to map %d segments\n",
__func__, mw, i);
+ frmr->fr_state = FRMR_IS_VALID;
+
memset(&frmr_wr, 0, sizeof frmr_wr);
frmr_wr.wr_id = (unsigned long)(void *)mw;
frmr_wr.opcode = IB_WR_FAST_REG_MR;
- frmr_wr.send_flags = IB_SEND_SIGNALED;
frmr_wr.wr.fast_reg.iova_start = seg1->mr_dma;
frmr_wr.wr.fast_reg.page_list = frmr->fr_pgl;
frmr_wr.wr.fast_reg.page_list_len = page_no;
@@ -1775,6 +1773,7 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg,
*nsegs = i;
return 0;
out_err:
+ frmr->fr_state = FRMR_IS_INVALID;
while (i--)
rpcrdma_unmap_one(ia, --seg);
return rc;
--
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