IB/iser: Move high-volume debug output to higher debug level

Add another level for debug.

Signed-off-by: Eli Dorfman <elid@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 1ee867b..a8c1b30 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -71,6 +71,13 @@
 
 #define iser_dbg(fmt, arg...)				\
 	do {						\
+		if (iser_debug_level > 1)		\
+			printk(KERN_DEBUG PFX "%s:" fmt,\
+				__func__ , ## arg);	\
+	} while (0)
+
+#define iser_warn(fmt, arg...)				\
+	do {						\
 		if (iser_debug_level > 0)		\
 			printk(KERN_DEBUG PFX "%s:" fmt,\
 				__func__ , ## arg);	\
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 4a17743..ee58199 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -334,8 +334,11 @@
 	struct scatterlist *sg;
 	int i;
 
+	if (iser_debug_level == 0)
+		return;
+
 	for_each_sg(sgl, sg, data->dma_nents, i)
-		iser_err("sg[%d] dma_addr:0x%lX page:0x%p "
+		iser_warn("sg[%d] dma_addr:0x%lX page:0x%p "
 			 "off:0x%x sz:0x%x dma_len:0x%x\n",
 			 i, (unsigned long)ib_sg_dma_address(ibdev, sg),
 			 sg_page(sg), sg->offset,
@@ -434,7 +437,7 @@
 
 	aligned_len = iser_data_buf_aligned_len(mem, ibdev);
 	if (aligned_len != mem->dma_nents) {
-		iser_err("rdma alignment violation %d/%d aligned\n",
+		iser_warn("rdma alignment violation %d/%d aligned\n",
 			 aligned_len, mem->size);
 		iser_data_buf_dump(mem, ibdev);