From e981f1d4b8288072ba7cf6b7141cd4aefb404383 Mon Sep 17 00:00:00 2001 From: Erez Zilber Date: Mon, 11 Sep 2006 12:24:00 +0300 Subject: [PATCH] IB/iser: fix some debug prints fix and add some debug prints related to iser handling of memory for rdma. Signed-off-by: Erez Zilber Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/iser/iser_memory.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index bcef0d3..8fea0bc 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -329,9 +329,9 @@ static void iser_data_buf_dump(struct iser_data_buf *data) struct scatterlist *sg = (struct scatterlist *)data->buf; int i; - for (i = 0; i < data->size; i++) + for (i = 0; i < data->dma_nents; i++) iser_err("sg[%d] dma_addr:0x%lX page:0x%p " - "off:%d sz:%d dma_len:%d\n", + "off:0x%x sz:0x%x dma_len:0x%x\n", i, (unsigned long)sg_dma_address(&sg[i]), sg[i].page, sg[i].offset, sg[i].length,sg_dma_len(&sg[i])); @@ -383,6 +383,7 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask, struct iser_regd_buf *regd_buf; int aligned_len; int err; + int i; regd_buf = &iser_ctask->rdma_regd[cmd_dir]; @@ -400,8 +401,18 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask, iser_page_vec_build(mem, ib_conn->page_vec); err = iser_reg_page_vec(ib_conn, ib_conn->page_vec, ®d_buf->reg); - if (err) + if (err) { + iser_data_buf_dump(mem); + iser_err("mem->dma_nents = %d (dlength = 0x%x)\n", mem->dma_nents, + ntoh24(iser_ctask->desc.iscsi_header.dlength)); + iser_err("page_vec: data_size = 0x%x, length = %d, offset = 0x%x\n", + ib_conn->page_vec->data_size, ib_conn->page_vec->length, + ib_conn->page_vec->offset); + for (i=0 ; ipage_vec->length ; i++) { + iser_err("page_vec[%d] = 0x%lx\n", i, ib_conn->page_vec->pages[i]); + } return err; + } /* take a reference on this regd buf such that it will not be released * * (eg in send dto completion) before we get the scsi response */ -- 2.7.4