[PATCH 6/7] RDMA/rw: Add info regarding SG count failure

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Print the supported and wanted values for SG count during signature
operation.

Signed-off-by: Max Gurtovoy <maxg@xxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/infiniband/core/rw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/rw.c b/drivers/infiniband/core/rw.c
index deeaf2b4b273..acf9ea625811 100644
--- a/drivers/infiniband/core/rw.c
+++ b/drivers/infiniband/core/rw.c
@@ -357,7 +357,8 @@ int rdma_rw_ctx_signature_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp,
 	int count = 0, ret;
 
 	if (sg_cnt > pages_per_mr || prot_sg_cnt > pages_per_mr) {
-		pr_err("SG count too large\n");
+		pr_err("SG count too large: sg_cnt=%d, prot_sg_cnt=%d, pages_per_mr=%d\n",
+		       sg_cnt, prot_sg_cnt, pages_per_mr);
 		return -EINVAL;
 	}
 
-- 
2.16.3




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