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Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.h')
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index b47aea1094b2..5c7036c90766 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -218,20 +218,23 @@ enum iser_data_dir {
/**
* struct iser_data_buf - iSER data buffer
*
- * @buf: pointer to the sg list
+ * @sg: pointer to the sg list
* @size: num entries of this sg
* @data_len: total beffer byte len
* @dma_nents: returned by dma_map_sg
* @copy_buf: allocated copy buf for SGs unaligned
* for rdma which are copied
+ * @orig_sg: pointer to the original sg list (in case
+ * we used a copy)
* @sg_single: SG-ified clone of a non SG SC or
* unaligned SG
*/
struct iser_data_buf {
- void *buf;
+ struct scatterlist *sg;
unsigned int size;
unsigned long data_len;
unsigned int dma_nents;
+ struct scatterlist *orig_sg;
char *copy_buf;
struct scatterlist sg_single;
};
@@ -536,9 +539,7 @@ struct iser_conn {
* @dir: iser data direction
* @rdma_regd: task rdma registration desc
* @data: iser data buffer desc
- * @data_copy: iser data copy buffer desc (bounce buffer)
* @prot: iser protection buffer desc
- * @prot_copy: iser protection copy buffer desc (bounce buffer)
*/
struct iscsi_iser_task {
struct iser_tx_desc desc;
@@ -549,9 +550,7 @@ struct iscsi_iser_task {
int dir[ISER_DIRS_NUM];
struct iser_regd_buf rdma_regd[ISER_DIRS_NUM];
struct iser_data_buf data[ISER_DIRS_NUM];
- struct iser_data_buf data_copy[ISER_DIRS_NUM];
struct iser_data_buf prot[ISER_DIRS_NUM];
- struct iser_data_buf prot_copy[ISER_DIRS_NUM];
};
struct iser_page_vec {
@@ -621,7 +620,6 @@ void iser_free_rx_descriptors(struct iser_conn *iser_conn);
void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
struct iser_data_buf *mem,
- struct iser_data_buf *mem_copy,
enum iser_data_dir cmd_dir);
int iser_reg_rdma_mem_fmr(struct iscsi_iser_task *task,