[SCSI] iscsi_tcp: handle iscsi_cmd_task rename

This converts iscsi_tcp to use the iscsi_task name.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 131 insertions, 131 deletions

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 517bad160bea..33cd0ca7cc8d 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -498,43 +498,43 @@ iscsi_tcp_data_recv_prep(struct iscsi_tcp_conn *tcp_conn)
  * must be called with session lock
  */
 static void
-iscsi_tcp_cleanup_task(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
+iscsi_tcp_cleanup_task(struct iscsi_conn *conn, struct iscsi_task *task)
 {
-        struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+        struct iscsi_tcp_task *tcp_task = task->dd_data;
         struct iscsi_r2t_info *r2t;
 
-        /* nothing to do for mgmt ctasks */
-        if (!ctask->sc)
+        /* nothing to do for mgmt tasks */
+        if (!task->sc)
                 return;
 
-        /* flush ctask's r2t queues */
-        while (__kfifo_get(tcp_ctask->r2tqueue, (void*)&r2t, sizeof(void*))) {
-                __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t,
+        /* flush task's r2t queues */
+        while (__kfifo_get(tcp_task->r2tqueue, (void*)&r2t, sizeof(void*))) {
+                __kfifo_put(tcp_task->r2tpool.queue, (void*)&r2t,
                             sizeof(void*));
-                debug_scsi("iscsi_tcp_cleanup_ctask pending r2t dropped\n");
+                debug_scsi("iscsi_tcp_cleanup_task pending r2t dropped\n");
         }
 
-        r2t = tcp_ctask->r2t;
+        r2t = tcp_task->r2t;
         if (r2t != NULL) {
-                __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t,
+                __kfifo_put(tcp_task->r2tpool.queue, (void*)&r2t,
                             sizeof(void*));
-                tcp_ctask->r2t = NULL;
+                tcp_task->r2t = NULL;
         }
 }
 
 /**
  * iscsi_data_rsp - SCSI Data-In Response processing
  * @conn: iscsi connection
- * @ctask: scsi command ctask
+ * @task: scsi command task
  **/
 static int
-iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
+iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
 {
         struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
-        struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+        struct iscsi_tcp_task *tcp_task = task->dd_data;
         struct iscsi_data_rsp *rhdr = (struct iscsi_data_rsp *)tcp_conn->in.hdr;
         struct iscsi_session *session = conn->session;
-        struct scsi_cmnd *sc = ctask->sc;
+        struct scsi_cmnd *sc = task->sc;
         int datasn = be32_to_cpu(rhdr->datasn);
         unsigned total_in_length = scsi_in(sc)->length;
 
@@ -542,18 +542,18 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
         if (tcp_conn->in.datalen == 0)
                 return 0;
 
-        if (tcp_ctask->exp_datasn != datasn) {
-                debug_tcp("%s: ctask->exp_datasn(%d) != rhdr->datasn(%d)\n",
-                          __FUNCTION__, tcp_ctask->exp_datasn, datasn);
+        if (tcp_task->exp_datasn != datasn) {
+                debug_tcp("%s: task->exp_datasn(%d) != rhdr->datasn(%d)\n",
+                          __FUNCTION__, tcp_task->exp_datasn, datasn);
                 return ISCSI_ERR_DATASN;
         }
 
-        tcp_ctask->exp_datasn++;
+        tcp_task->exp_datasn++;
 
-        tcp_ctask->data_offset = be32_to_cpu(rhdr->offset);
-        if (tcp_ctask->data_offset + tcp_conn->in.datalen > total_in_length) {
+        tcp_task->data_offset = be32_to_cpu(rhdr->offset);
+        if (tcp_task->data_offset + tcp_conn->in.datalen > total_in_length) {
                 debug_tcp("%s: data_offset(%d) + data_len(%d) > total_length_in(%d)\n",
-                          __FUNCTION__, tcp_ctask->data_offset,
+                          __FUNCTION__, tcp_task->data_offset,
                           tcp_conn->in.datalen, total_in_length);
                 return ISCSI_ERR_DATA_OFFSET;
         }
@@ -582,7 +582,7 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 /**
  * iscsi_solicit_data_init - initialize first Data-Out
  * @conn: iscsi connection
- * @ctask: scsi command ctask
+ * @task: scsi command task
  * @r2t: R2T info
  *
  * Notes:
@@ -592,7 +592,7 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
  *      This function is called with connection lock taken.
  **/
 static void
-iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
+iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_task *task,
                         struct iscsi_r2t_info *r2t)
 {
         struct iscsi_data *hdr;
@@ -603,8 +603,8 @@ iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
         hdr->datasn = cpu_to_be32(r2t->solicit_datasn);
         r2t->solicit_datasn++;
         hdr->opcode = ISCSI_OP_SCSI_DATA_OUT;
-        memcpy(hdr->lun, ctask->hdr->lun, sizeof(hdr->lun));
-        hdr->itt = ctask->hdr->itt;
+        memcpy(hdr->lun, task->hdr->lun, sizeof(hdr->lun));
+        hdr->itt = task->hdr->itt;
         hdr->exp_statsn = r2t->exp_statsn;
         hdr->offset = cpu_to_be32(r2t->data_offset);
         if (r2t->data_length > conn->max_xmit_dlength) {
@@ -624,14 +624,14 @@ iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
 /**
  * iscsi_r2t_rsp - iSCSI R2T Response processing
  * @conn: iscsi connection
- * @ctask: scsi command ctask
+ * @task: scsi command task
  **/
 static int
-iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
+iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
 {
         struct iscsi_r2t_info *r2t;
         struct iscsi_session *session = conn->session;
-        struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+        struct iscsi_tcp_task *tcp_task = task->dd_data;
         struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
         struct iscsi_r2t_rsp *rhdr = (struct iscsi_r2t_rsp *)tcp_conn->in.hdr;
         int r2tsn = be32_to_cpu(rhdr->r2tsn);
@@ -644,23 +644,23 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
                 return ISCSI_ERR_DATALEN;
         }
 
-        if (tcp_ctask->exp_datasn != r2tsn){
-                debug_tcp("%s: ctask->exp_datasn(%d) != rhdr->r2tsn(%d)\n",
-                          __FUNCTION__, tcp_ctask->exp_datasn, r2tsn);
+        if (tcp_task->exp_datasn != r2tsn){
+                debug_tcp("%s: task->exp_datasn(%d) != rhdr->r2tsn(%d)\n",
+                          __FUNCTION__, tcp_task->exp_datasn, r2tsn);
                 return ISCSI_ERR_R2TSN;
         }
 
-        /* fill-in new R2T associated with the ctask */
+        /* fill-in new R2T associated with the task */
         iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr);
 
-        if (!ctask->sc || session->state != ISCSI_STATE_LOGGED_IN) {
+        if (!task->sc || session->state != ISCSI_STATE_LOGGED_IN) {
                 iscsi_conn_printk(KERN_INFO, conn,
                                   "dropping R2T itt %d in recovery.\n",
-                                  ctask->itt);
+                                  task->itt);
                 return 0;
         }
 
-        rc = __kfifo_get(tcp_ctask->r2tpool.queue, (void*)&r2t, sizeof(void*));
+        rc = __kfifo_get(tcp_task->r2tpool.queue, (void*)&r2t, sizeof(void*));
         BUG_ON(!rc);
 
         r2t->exp_statsn = rhdr->statsn;
@@ -668,7 +668,7 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
         if (r2t->data_length == 0) {
                 iscsi_conn_printk(KERN_ERR, conn,
                                   "invalid R2T with zero data len\n");
-                __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t,
+                __kfifo_put(tcp_task->r2tpool.queue, (void*)&r2t,
                             sizeof(void*));
                 return ISCSI_ERR_DATALEN;
         }
@@ -679,12 +679,12 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
                             r2t->data_length, session->max_burst);
 
         r2t->data_offset = be32_to_cpu(rhdr->data_offset);
-        if (r2t->data_offset + r2t->data_length > scsi_out(ctask->sc)->length) {
+        if (r2t->data_offset + r2t->data_length > scsi_out(task->sc)->length) {
                 iscsi_conn_printk(KERN_ERR, conn,
                                   "invalid R2T with data len %u at offset %u "
                                   "and total length %d\n", r2t->data_length,
-                                  r2t->data_offset, scsi_out(ctask->sc)->length);
-                __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t,
+                                  r2t->data_offset, scsi_out(task->sc)->length);
+                __kfifo_put(tcp_task->r2tpool.queue, (void*)&r2t,
                             sizeof(void*));
                 return ISCSI_ERR_DATALEN;
         }
@@ -692,13 +692,13 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
         r2t->ttt = rhdr->ttt; /* no flip */
         r2t->solicit_datasn = 0;
 
-        iscsi_solicit_data_init(conn, ctask, r2t);
+        iscsi_solicit_data_init(conn, task, r2t);
 
-        tcp_ctask->exp_datasn = r2tsn + 1;
-        __kfifo_put(tcp_ctask->r2tqueue, (void*)&r2t, sizeof(void*));
+        tcp_task->exp_datasn = r2tsn + 1;
+        __kfifo_put(tcp_task->r2tqueue, (void*)&r2t, sizeof(void*));
         conn->r2t_pdus_cnt++;
 
-        iscsi_requeue_ctask(ctask);
+        iscsi_requeue_task(task);
         return 0;
 }
 
@@ -743,7 +743,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
         int rc = 0, opcode, ahslen;
         struct iscsi_session *session = conn->session;
         struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
-        struct iscsi_cmd_task *ctask;
+        struct iscsi_task *task;
 
         /* verify PDU length */
         tcp_conn->in.datalen = ntoh24(hdr->dlength);
@@ -770,21 +770,21 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
 
         switch(opcode) {
         case ISCSI_OP_SCSI_DATA_IN:
-                ctask = iscsi_itt_to_ctask(conn, hdr->itt);
-                if (!ctask)
+                task = iscsi_itt_to_ctask(conn, hdr->itt);
+                if (!task)
                         return ISCSI_ERR_BAD_ITT;
-                if (!ctask->sc)
+                if (!task->sc)
                         return ISCSI_ERR_NO_SCSI_CMD;
 
                 spin_lock(&conn->session->lock);
-                rc = iscsi_data_rsp(conn, ctask);
+                rc = iscsi_data_rsp(conn, task);
                 spin_unlock(&conn->session->lock);
                 if (rc)
                         return rc;
                 if (tcp_conn->in.datalen) {
-                        struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+                        struct iscsi_tcp_task *tcp_task = task->dd_data;
                         struct hash_desc *rx_hash = NULL;
-                        struct scsi_data_buffer *sdb = scsi_in(ctask->sc);
+                        struct scsi_data_buffer *sdb = scsi_in(task->sc);
 
                         /*
                          * Setup copy of Data-In into the Scsi_Cmnd
@@ -799,12 +799,12 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
 
                         debug_tcp("iscsi_tcp_begin_data_in(%p, offset=%d, "
                                   "datalen=%d)\n", tcp_conn,
-                                  tcp_ctask->data_offset,
+                                  tcp_task->data_offset,
                                   tcp_conn->in.datalen);
                         return iscsi_segment_seek_sg(&tcp_conn->in.segment,
                                                      sdb->table.sgl,
                                                      sdb->table.nents,
-                                                     tcp_ctask->data_offset,
+                                                     tcp_task->data_offset,
                                                      tcp_conn->in.datalen,
                                                      iscsi_tcp_process_data_in,
                                                      rx_hash);
@@ -818,17 +818,17 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
                 rc = iscsi_complete_pdu(conn, hdr, NULL, 0);
                 break;
         case ISCSI_OP_R2T:
-                ctask = iscsi_itt_to_ctask(conn, hdr->itt);
-                if (!ctask)
+                task = iscsi_itt_to_ctask(conn, hdr->itt);
+                if (!task)
                         return ISCSI_ERR_BAD_ITT;
-                if (!ctask->sc)
+                if (!task->sc)
                         return ISCSI_ERR_NO_SCSI_CMD;
 
                 if (ahslen)
                         rc = ISCSI_ERR_AHSLEN;
-                else if (ctask->sc->sc_data_direction == DMA_TO_DEVICE) {
+                else if (task->sc->sc_data_direction == DMA_TO_DEVICE) {
                         spin_lock(&session->lock);
-                        rc = iscsi_r2t_rsp(conn, ctask);
+                        rc = iscsi_r2t_rsp(conn, task);
                         spin_unlock(&session->lock);
                 } else
                         rc = ISCSI_ERR_PROTO;
@@ -1202,7 +1202,7 @@ iscsi_tcp_send_hdr_prep(struct iscsi_conn *conn, void *hdr, size_t hdrlen)
 
         /* If header digest is enabled, compute the CRC and
          * place the digest into the same buffer. We make
-         * sure that both iscsi_tcp_cmd_task and mctask have
+         * sure that both iscsi_tcp_task and mtask have
          * sufficient room.
          */
         if (conn->hdrdgst_en) {
@@ -1277,7 +1277,7 @@ iscsi_tcp_send_linear_data_prepare(struct iscsi_conn *conn, void *data,
 /**
  * iscsi_solicit_data_cont - initialize next Data-Out
  * @conn: iscsi connection
- * @ctask: scsi command ctask
+ * @task: scsi command task
  * @r2t: R2T info
  * @left: bytes left to transfer
  *
@@ -1288,7 +1288,7 @@ iscsi_tcp_send_linear_data_prepare(struct iscsi_conn *conn, void *data,
  *      Called under connection lock.
  **/
 static int
-iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
+iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_task *task,
                         struct iscsi_r2t_info *r2t)
 {
         struct iscsi_data *hdr;
@@ -1305,8 +1305,8 @@ iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
         hdr->datasn = cpu_to_be32(r2t->solicit_datasn);
         r2t->solicit_datasn++;
         hdr->opcode = ISCSI_OP_SCSI_DATA_OUT;
-        memcpy(hdr->lun, ctask->hdr->lun, sizeof(hdr->lun));
-        hdr->itt = ctask->hdr->itt;
+        memcpy(hdr->lun, task->hdr->lun, sizeof(hdr->lun));
+        hdr->itt = task->hdr->itt;
         hdr->exp_statsn = r2t->exp_statsn;
         new_offset = r2t->data_offset + r2t->sent;
         hdr->offset = cpu_to_be32(new_offset);
@@ -1326,73 +1326,73 @@ iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
 /**
  * iscsi_tcp_task - Initialize iSCSI SCSI_READ or SCSI_WRITE commands
  * @conn: iscsi connection
- * @ctask: scsi command ctask
+ * @task: scsi command task
  * @sc: scsi command
  **/
 static int
-iscsi_tcp_task_init(struct iscsi_cmd_task *ctask)
+iscsi_tcp_task_init(struct iscsi_task *task)
 {
-        struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
-        struct iscsi_conn *conn = ctask->conn;
-        struct scsi_cmnd *sc = ctask->sc;
+        struct iscsi_tcp_task *tcp_task = task->dd_data;
+        struct iscsi_conn *conn = task->conn;
+        struct scsi_cmnd *sc = task->sc;
         int err;
 
         if (!sc) {
                 /*
-                 * mgmt ctasks do not have a scatterlist since they come
+                 * mgmt tasks do not have a scatterlist since they come
                  * in from the iscsi interface.
                  */
-                debug_scsi("mctask deq [cid %d itt 0x%x]\n", conn->id,
-                           ctask->itt);
+                debug_scsi("mtask deq [cid %d itt 0x%x]\n", conn->id,
+                           task->itt);
 
                 /* Prepare PDU, optionally w/ immediate data */
-                iscsi_tcp_send_hdr_prep(conn, ctask->hdr, sizeof(*ctask->hdr));
+                iscsi_tcp_send_hdr_prep(conn, task->hdr, sizeof(*task->hdr));
 
                 /* If we have immediate data, attach a payload */
-                if (ctask->data_count)
-                        iscsi_tcp_send_linear_data_prepare(conn, ctask->data,
-                                                           ctask->data_count);
+                if (task->data_count)
+                        iscsi_tcp_send_linear_data_prepare(conn, task->data,
+                                                           task->data_count);
                 return 0;
         }
 
-        BUG_ON(__kfifo_len(tcp_ctask->r2tqueue));
-        tcp_ctask->sent = 0;
-        tcp_ctask->exp_datasn = 0;
+        BUG_ON(__kfifo_len(tcp_task->r2tqueue));
+        tcp_task->sent = 0;
+        tcp_task->exp_datasn = 0;
 
         /* Prepare PDU, optionally w/ immediate data */
-        debug_scsi("ctask deq [cid %d itt 0x%x imm %d unsol %d]\n",
-                    conn->id, ctask->itt, ctask->imm_count,
-                    ctask->unsol_count);
-        iscsi_tcp_send_hdr_prep(conn, ctask->hdr, ctask->hdr_len);
+        debug_scsi("task deq [cid %d itt 0x%x imm %d unsol %d]\n",
+                    conn->id, task->itt, task->imm_count,
+                    task->unsol_count);
+        iscsi_tcp_send_hdr_prep(conn, task->hdr, task->hdr_len);
 
-        if (!ctask->imm_count)
+        if (!task->imm_count)
                 return 0;
 
         /* If we have immediate data, attach a payload */
         err = iscsi_tcp_send_data_prep(conn, scsi_out(sc)->table.sgl,
                                        scsi_out(sc)->table.nents,
-                                       0, ctask->imm_count);
+                                       0, task->imm_count);
         if (err)
                 return err;
-        tcp_ctask->sent += ctask->imm_count;
-        ctask->imm_count = 0;
+        tcp_task->sent += task->imm_count;
+        task->imm_count = 0;
         return 0;
 }
 
 /*
- * iscsi_tcp_task_xmit - xmit normal PDU ctask
- * @ctask: iscsi command ctask
+ * iscsi_tcp_task_xmit - xmit normal PDU task
+ * @task: iscsi command task
  *
  * We're expected to return 0 when everything was transmitted succesfully,
  * -EAGAIN if there's still data in the queue, or != 0 for any other kind
  * of error.
  */
 static int
-iscsi_tcp_task_xmit(struct iscsi_cmd_task *ctask)
+iscsi_tcp_task_xmit(struct iscsi_task *task)
 {
-        struct iscsi_conn *conn = ctask->conn;
-        struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
-        struct scsi_cmnd *sc = ctask->sc;
+        struct iscsi_conn *conn = task->conn;
+        struct iscsi_tcp_task *tcp_task = task->dd_data;
+        struct scsi_cmnd *sc = task->sc;
         struct scsi_data_buffer *sdb;
         int rc = 0;
 
@@ -1404,8 +1404,8 @@ flush:
 
         /* mgmt command */
         if (!sc) {
-                if (ctask->hdr->itt == RESERVED_ITT)
-                        iscsi_put_ctask(ctask);
+                if (task->hdr->itt == RESERVED_ITT)
+                        iscsi_put_task(task);
                 return 0;
         }
 
@@ -1414,27 +1414,27 @@ flush:
                 return 0;
 
         sdb = scsi_out(sc);
-        if (ctask->unsol_count != 0) {
-                struct iscsi_data *hdr = &tcp_ctask->unsol_dtask.hdr;
+        if (task->unsol_count != 0) {
+                struct iscsi_data *hdr = &tcp_task->unsol_dtask.hdr;
 
                 /* Prepare a header for the unsolicited PDU.
                  * The amount of data we want to send will be
-                 * in ctask->data_count.
+                 * in task->data_count.
                  * FIXME: return the data count instead.
                  */
-                iscsi_prep_unsolicit_data_pdu(ctask, hdr);
+                iscsi_prep_unsolicit_data_pdu(task, hdr);
 
                 debug_tcp("unsol dout [itt 0x%x doff %d dlen %d]\n",
-                                ctask->itt, tcp_ctask->sent, ctask->data_count);
+                                task->itt, tcp_task->sent, task->data_count);
 
                 iscsi_tcp_send_hdr_prep(conn, hdr, sizeof(*hdr));
                 rc = iscsi_tcp_send_data_prep(conn, sdb->table.sgl,
-                                              sdb->table.nents, tcp_ctask->sent,
-                                              ctask->data_count);
+                                              sdb->table.nents, tcp_task->sent,
+                                              task->data_count);
                 if (rc)
                         goto fail;
-                tcp_ctask->sent += ctask->data_count;
-                ctask->unsol_count -= ctask->data_count;
+                tcp_task->sent += task->data_count;
+                task->unsol_count -= task->data_count;
                 goto flush;
         } else {
                 struct iscsi_session *session = conn->session;
@@ -1443,22 +1443,22 @@ flush:
                 /* All unsolicited PDUs sent. Check for solicited PDUs.
                  */
                 spin_lock_bh(&session->lock);
-                r2t = tcp_ctask->r2t;
+                r2t = tcp_task->r2t;
                 if (r2t != NULL) {
                         /* Continue with this R2T? */
-                        if (!iscsi_solicit_data_cont(conn, ctask, r2t)) {
+                        if (!iscsi_solicit_data_cont(conn, task, r2t)) {
                                 debug_scsi("  done with r2t %p\n", r2t);
 
-                                __kfifo_put(tcp_ctask->r2tpool.queue,
+                                __kfifo_put(tcp_task->r2tpool.queue,
                                             (void*)&r2t, sizeof(void*));
-                                tcp_ctask->r2t = r2t = NULL;
+                                tcp_task->r2t = r2t = NULL;
                         }
                 }
 
                 if (r2t == NULL) {
-                        __kfifo_get(tcp_ctask->r2tqueue, (void*)&tcp_ctask->r2t,
+                        __kfifo_get(tcp_task->r2tqueue, (void*)&tcp_task->r2t,
                                     sizeof(void*));
-                        r2t = tcp_ctask->r2t;
+                        r2t = tcp_task->r2t;
                 }
                 spin_unlock_bh(&session->lock);
 
@@ -1469,7 +1469,7 @@ flush:
                 }
 
                 debug_scsi("sol dout %p [dsn %d itt 0x%x doff %d dlen %d]\n",
-                        r2t, r2t->solicit_datasn - 1, ctask->itt,
+                        r2t, r2t->solicit_datasn - 1, task->itt,
                         r2t->data_offset + r2t->sent, r2t->data_count);
 
                 iscsi_tcp_send_hdr_prep(conn, &r2t->dtask.hdr,
@@ -1481,7 +1481,7 @@ flush:
                                               r2t->data_count);
                 if (rc)
                         goto fail;
-                tcp_ctask->sent += r2t->data_count;
+                tcp_task->sent += r2t->data_count;
                 r2t->sent += r2t->data_count;
                 goto flush;
         }
@@ -1698,11 +1698,11 @@ iscsi_r2tpool_alloc(struct iscsi_session *session)
         int cmd_i;
 
         /*
-         * initialize per-ctask: R2T pool and xmit queue
+         * initialize per-task: R2T pool and xmit queue
          */
         for (cmd_i = 0; cmd_i < session->cmds_max; cmd_i++) {
-                struct iscsi_cmd_task *ctask = session->cmds[cmd_i];
-                struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+                struct iscsi_task *task = session->cmds[cmd_i];
+                struct iscsi_tcp_task *tcp_task = task->dd_data;
 
                 /*
                  * pre-allocated x4 as much r2ts to handle race when
@@ -1711,16 +1711,16 @@ iscsi_r2tpool_alloc(struct iscsi_session *session)
                  */
 
                 /* R2T pool */
-                if (iscsi_pool_init(&tcp_ctask->r2tpool, session->max_r2t * 4, NULL,
+                if (iscsi_pool_init(&tcp_task->r2tpool, session->max_r2t * 4, NULL,
                                     sizeof(struct iscsi_r2t_info))) {
                         goto r2t_alloc_fail;
                 }
 
                 /* R2T xmit queue */
-                tcp_ctask->r2tqueue = kfifo_alloc(
+                tcp_task->r2tqueue = kfifo_alloc(
                       session->max_r2t * 4 * sizeof(void*), GFP_KERNEL, NULL);
-                if (tcp_ctask->r2tqueue == ERR_PTR(-ENOMEM)) {
-                        iscsi_pool_free(&tcp_ctask->r2tpool);
+                if (tcp_task->r2tqueue == ERR_PTR(-ENOMEM)) {
+                        iscsi_pool_free(&tcp_task->r2tpool);
                         goto r2t_alloc_fail;
                 }
         }
@@ -1729,11 +1729,11 @@ iscsi_r2tpool_alloc(struct iscsi_session *session)
 
 r2t_alloc_fail:
         for (i = 0; i < cmd_i; i++) {
-                struct iscsi_cmd_task *ctask = session->cmds[i];
-                struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+                struct iscsi_task *task = session->cmds[i];
+                struct iscsi_tcp_task *tcp_task = task->dd_data;
 
-                kfifo_free(tcp_ctask->r2tqueue);
-                iscsi_pool_free(&tcp_ctask->r2tpool);
+                kfifo_free(tcp_task->r2tqueue);
+                iscsi_pool_free(&tcp_task->r2tpool);
         }
         return -ENOMEM;
 }
@@ -1744,11 +1744,11 @@ iscsi_r2tpool_free(struct iscsi_session *session)
         int i;
 
         for (i = 0; i < session->cmds_max; i++) {
-                struct iscsi_cmd_task *ctask = session->cmds[i];
-                struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+                struct iscsi_task *task = session->cmds[i];
+                struct iscsi_tcp_task *tcp_task = task->dd_data;
 
-                kfifo_free(tcp_ctask->r2tqueue);
-                iscsi_pool_free(&tcp_ctask->r2tpool);
+                kfifo_free(tcp_task->r2tqueue);
+                iscsi_pool_free(&tcp_task->r2tpool);
         }
 }
 
@@ -1867,7 +1867,7 @@ iscsi_tcp_session_create(struct Scsi_Host *shost, uint16_t cmds_max,
         *hostno = shost->host_no;
 
         cls_session = iscsi_session_setup(&iscsi_tcp_transport, shost, cmds_max,
-                                          sizeof(struct iscsi_tcp_cmd_task),
+                                          sizeof(struct iscsi_tcp_task),
                                           initial_cmdsn);
         if (!cls_session)
                 goto remove_host;
@@ -1875,11 +1875,11 @@ iscsi_tcp_session_create(struct Scsi_Host *shost, uint16_t cmds_max,
 
         shost->can_queue = session->scsi_cmds_max;
         for (cmd_i = 0; cmd_i < session->cmds_max; cmd_i++) {
-                struct iscsi_cmd_task *ctask = session->cmds[cmd_i];
-                struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+                struct iscsi_task *task = session->cmds[cmd_i];
+                struct iscsi_tcp_task *tcp_task = task->dd_data;
 
-                ctask->hdr = &tcp_ctask->hdr.cmd_hdr;
-                ctask->hdr_max = sizeof(tcp_ctask->hdr) - ISCSI_DIGEST_SIZE;
+                task->hdr = &tcp_task->hdr.cmd_hdr;
+                task->hdr_max = sizeof(tcp_task->hdr) - ISCSI_DIGEST_SIZE;
         }
 
         if (iscsi_r2tpool_alloc(session))