[5/5] IB/iser: Add debug prints to the various memory registration methods

Commit Message

Sagi Grimberg June 8, 2015, 1:15 p.m. UTC

Easier to debug when we have the registration details.

This patch does not change any functionality.

Signed-off-by: Sagi Grimberg <[e-mail]>
Signed-off-by: Adir Lev <[e-mail]>
---
 drivers/infiniband/ulp/iser/iser_memory.c |   14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

Patch

diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index de5c7da..354eedd 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -545,6 +545,10 @@  int iser_fast_reg_fmr(struct iscsi_iser_task *iser_task,
 	reg->sge.length = page_vec->data_size;
 	reg->mem_h = fmr;
 
+	iser_dbg("fmr reg: lkey=0x%x, rkey=0x%x, addr=0x%llx,"
+		 " length=0x%x\n", reg->sge.lkey, reg->rkey,
+		 reg->sge.addr, reg->sge.length);
+
 	return 0;
 }
 
@@ -715,7 +719,7 @@  iser_reg_sig_mr(struct iscsi_iser_task *iser_task,
 	sig_reg->sge.addr = 0;
 	sig_reg->sge.length = scsi_transfer_length(iser_task->sc);
 
-	iser_dbg("sig_sge: lkey: 0x%x, rkey: 0x%x, addr: 0x%llx, length: %u\n",
+	iser_dbg("sig reg: lkey: 0x%x, rkey: 0x%x, addr: 0x%llx, length: %u\n",
 		 sig_reg->sge.lkey, sig_reg->rkey, sig_reg->sge.addr,
 		 sig_reg->sge.length);
 err:
@@ -778,6 +782,10 @@  static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task,
 	reg->sge.addr = frpl->page_list[0] + offset;
 	reg->sge.length = size;
 
+	iser_dbg("fast reg: lkey=0x%x, rkey=0x%x, addr=0x%llx,"
+		 " length=0x%x\n", reg->sge.lkey, reg->rkey,
+		 reg->sge.addr, reg->sge.length);
+
 	return ret;
 }
 
@@ -851,6 +859,10 @@  iser_reg_indir_mem(struct iscsi_iser_task *iser_task,
 	reg->sge.addr = indir_wr.wr.indir_reg.iova_start;
 	reg->sge.length = indir_wr.wr.indir_reg.length;
 
+	iser_dbg("indir reg: lkey=0x%x, rkey=0x%x, addr=0x%llx,"
+		 " length=0x%x\n", reg->sge.lkey, reg->rkey,
+		 reg->sge.addr, reg->sge.length);
+
 	return 0;
 }