stmf_i_scsi_task
struct stmf_i_scsi_task *itask_worker_next;
struct stmf_i_scsi_task *itask_lu_next;
struct stmf_i_scsi_task *itask_lu_prev;
struct stmf_i_scsi_task *itask_lu_free_next;
struct stmf_i_scsi_task;
struct stmf_i_scsi_task *ilu_tasks;
struct stmf_i_scsi_task *ilu_free_tasks;