forked from Minki/linux
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 <erezz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -329,9 +329,9 @@ static void iser_data_buf_dump(struct iser_data_buf *data)
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struct scatterlist *sg = (struct scatterlist *)data->buf;
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int i;
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for (i = 0; i < data->size; i++)
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for (i = 0; i < data->dma_nents; i++)
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iser_err("sg[%d] dma_addr:0x%lX page:0x%p "
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"off:%d sz:%d dma_len:%d\n",
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"off:0x%x sz:0x%x dma_len:0x%x\n",
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i, (unsigned long)sg_dma_address(&sg[i]),
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sg[i].page, sg[i].offset,
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sg[i].length,sg_dma_len(&sg[i]));
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@ -383,6 +383,7 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
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struct iser_regd_buf *regd_buf;
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int aligned_len;
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int err;
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int i;
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regd_buf = &iser_ctask->rdma_regd[cmd_dir];
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@ -400,8 +401,18 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
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iser_page_vec_build(mem, ib_conn->page_vec);
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err = iser_reg_page_vec(ib_conn, ib_conn->page_vec, ®d_buf->reg);
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if (err)
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if (err) {
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iser_data_buf_dump(mem);
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iser_err("mem->dma_nents = %d (dlength = 0x%x)\n", mem->dma_nents,
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ntoh24(iser_ctask->desc.iscsi_header.dlength));
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iser_err("page_vec: data_size = 0x%x, length = %d, offset = 0x%x\n",
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ib_conn->page_vec->data_size, ib_conn->page_vec->length,
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ib_conn->page_vec->offset);
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for (i=0 ; i<ib_conn->page_vec->length ; i++) {
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iser_err("page_vec[%d] = 0x%lx\n", i, ib_conn->page_vec->pages[i]);
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}
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return err;
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}
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/* take a reference on this regd buf such that it will not be released *
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* (eg in send dto completion) before we get the scsi response */
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