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[SCSI] iscsi: Some fixes in preparation for bidirectional support - total_length

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- Remove shadow of request length from struct iscsi_cmd_task.
- change all users to use scsi_cmnd->request_bufflen directly

(With bidi we will use scsi-ml API to retrieve in/out length)

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: Roland Dreier <rdreier@cisco.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mike Christie
2007-05-30 12:57:15 -05:00
committed by James Bottomley
parent d473cc7f15
commit 857ae0bdb7
4 changed files with 28 additions and 27 deletions
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21
include/scsi/libiscsi.h
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@@ -80,7 +80,7 @@ struct iscsi_mgmt_task {
*/
struct iscsi_hdr *hdr;
char *data; /* mgmt payload */
int data_count; /* counts data to be sent */
unsigned data_count; /* counts data to be sent */
uint32_t itt; /* this ITT */
void *dd_data; /* driver/transport data */
struct list_head running;
@@ -101,13 +101,12 @@ struct iscsi_cmd_task {
int itt; /* this ITT */
uint32_t unsol_datasn;
int imm_count; /* imm-data (bytes) */
int unsol_count; /* unsolicited (bytes)*/
unsigned imm_count; /* imm-data (bytes) */
unsigned unsol_count; /* unsolicited (bytes)*/
/* offset in unsolicited stream (bytes); */
int unsol_offset;
int data_count; /* remaining Data-Out */
unsigned unsol_offset;
unsigned data_count; /* remaining Data-Out */
struct scsi_cmnd *sc; /* associated SCSI cmd*/
int total_length;
struct iscsi_conn *conn; /* used connection */
struct iscsi_mgmt_task *mtask; /* tmf mtask in progr */
@@ -173,8 +172,8 @@ struct iscsi_conn {
int tmabort_state; /* see TMABORT_INITIAL, etc.*/
/* negotiated params */
int max_recv_dlength; /* initiator_max_recv_dsl*/
int max_xmit_dlength; /* target_max_recv_dsl */
unsigned max_recv_dlength; /* initiator_max_recv_dsl*/
unsigned max_xmit_dlength; /* target_max_recv_dsl */
int hdrdgst_en;
int datadgst_en;
int ifmarker_en;
@@ -212,10 +211,10 @@ struct iscsi_session {
/* configuration */
int initial_r2t_en;
int max_r2t;
unsigned max_r2t;
int imm_data_en;
int first_burst;
int max_burst;
unsigned first_burst;
unsigned max_burst;
int time2wait;
int time2retain;
int pdu_inorder_en;