target: Make all control CDBs scatter-gather
[linux-2.6.git] / drivers / target / target_core_pscsi.c
index 3574c52..d956924 100644 (file)
@@ -695,7 +695,7 @@ static int pscsi_transport_complete(struct se_task *task)
 
                if (task->task_se_cmd->se_deve->lun_flags &
                                TRANSPORT_LUNFLAGS_READ_ONLY) {
-                       unsigned char *buf = task->task_se_cmd->t_task_buf;
+                       unsigned char *buf = transport_kmap_first_data_page(task->task_se_cmd);
 
                        if (cdb[0] == MODE_SENSE_10) {
                                if (!(buf[3] & 0x80))
@@ -704,6 +704,8 @@ static int pscsi_transport_complete(struct se_task *task)
                                if (!(buf[2] & 0x80))
                                        buf[2] |= 0x80;
                        }
+
+                       transport_kunmap_first_data_page(task->task_se_cmd);
                }
        }
 after_mode_sense:
@@ -1246,33 +1248,6 @@ static int pscsi_map_task_SG(struct se_task *task)
        return 0;
 }
 
-/*     pscsi_map_task_non_SG():
- *
- *
- */
-static int pscsi_map_task_non_SG(struct se_task *task)
-{
-       struct se_cmd *cmd = task->task_se_cmd;
-       struct pscsi_plugin_task *pt = PSCSI_TASK(task);
-       struct pscsi_dev_virt *pdv = task->se_dev->dev_ptr;
-       int ret = 0;
-
-       if (pscsi_blk_get_request(task) < 0)
-               return PYX_TRANSPORT_LU_COMM_FAILURE;
-
-       if (!task->task_size)
-               return 0;
-
-       ret = blk_rq_map_kern(pdv->pdv_sd->request_queue,
-                       pt->pscsi_req, cmd->t_task_buf,
-                       task->task_size, GFP_KERNEL);
-       if (ret < 0) {
-               printk(KERN_ERR "PSCSI: blk_rq_map_kern() failed: %d\n", ret);
-               return PYX_TRANSPORT_LU_COMM_FAILURE;
-       }
-       return 0;
-}
-
 static int pscsi_CDB_none(struct se_task *task)
 {
        return pscsi_blk_get_request(task);
@@ -1392,7 +1367,6 @@ static struct se_subsystem_api pscsi_template = {
        .owner                  = THIS_MODULE,
        .transport_type         = TRANSPORT_PLUGIN_PHBA_PDEV,
        .cdb_none               = pscsi_CDB_none,
-       .map_task_non_SG        = pscsi_map_task_non_SG,
        .map_task_SG            = pscsi_map_task_SG,
        .attach_hba             = pscsi_attach_hba,
        .detach_hba             = pscsi_detach_hba,