+/**
+ * scsi_eh_target_reset - send target reset if needed
+ * @shost: scsi host being recovered.
+ * @work_q: &list_head for pending commands.
+ * @done_q: &list_head for processed commands.
+ *
+ * Notes:
+ * Try a target reset.
+ */
+static int scsi_eh_target_reset(struct Scsi_Host *shost,
+ struct list_head *work_q,
+ struct list_head *done_q)
+{
+ struct scsi_cmnd *scmd, *tgtr_scmd, *next;
+ unsigned int id;
+ int rtn;
+
+ for (id = 0; id <= shost->max_id; id++) {
+ tgtr_scmd = NULL;
+ list_for_each_entry(scmd, work_q, eh_entry) {
+ if (id == scmd_id(scmd)) {
+ tgtr_scmd = scmd;
+ break;
+ }
+ }
+ if (!tgtr_scmd)
+ continue;
+
+ SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Sending target reset "
+ "to target %d\n",
+ current->comm, id));
+ rtn = scsi_try_target_reset(tgtr_scmd);
+ if (rtn == SUCCESS) {
+ list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
+ if (id == scmd_id(scmd))
+ if (!scsi_device_online(scmd->device) ||
+ !scsi_eh_tur(tgtr_scmd))
+ scsi_eh_finish_cmd(scmd,
+ done_q);
+ }
+ } else
+ SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Target reset"
+ " failed target: "
+ "%d\n",
+ current->comm, id));
+ }
+
+ return list_empty(work_q);
+}
+