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Diffstat (limited to 'drivers/scsi/libsas/sas_scsi_host.c')
-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c33
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 6de9681ace82..ceab5e5c41c2 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -223,6 +223,7 @@ out_done:
223static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) 223static void sas_eh_finish_cmd(struct scsi_cmnd *cmd)
224{ 224{
225 struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(cmd->device->host); 225 struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(cmd->device->host);
226 struct domain_device *dev = cmd_to_domain_dev(cmd);
226 struct sas_task *task = TO_SAS_TASK(cmd); 227 struct sas_task *task = TO_SAS_TASK(cmd);
227 228
228 /* At this point, we only get called following an actual abort 229 /* At this point, we only get called following an actual abort
@@ -231,6 +232,14 @@ static void sas_eh_finish_cmd(struct scsi_cmnd *cmd)
231 */ 232 */
232 sas_end_task(cmd, task); 233 sas_end_task(cmd, task);
233 234
235 if (dev_is_sata(dev)) {
236 /* defer commands to libata so that libata EH can
237 * handle ata qcs correctly
238 */
239 list_move_tail(&cmd->eh_entry, &sas_ha->eh_ata_q);
240 return;
241 }
242
234 /* now finish the command and move it on to the error 243 /* now finish the command and move it on to the error
235 * handler done list, this also takes it off the 244 * handler done list, this also takes it off the
236 * error handler pending list. 245 * error handler pending list.
@@ -238,22 +247,6 @@ static void sas_eh_finish_cmd(struct scsi_cmnd *cmd)
238 scsi_eh_finish_cmd(cmd, &sas_ha->eh_done_q); 247 scsi_eh_finish_cmd(cmd, &sas_ha->eh_done_q);
239} 248}
240 249
241static void sas_eh_defer_cmd(struct scsi_cmnd *cmd)
242{
243 struct domain_device *dev = cmd_to_domain_dev(cmd);
244 struct sas_ha_struct *ha = dev->port->ha;
245 struct sas_task *task = TO_SAS_TASK(cmd);
246
247 if (!dev_is_sata(dev)) {
248 sas_eh_finish_cmd(cmd);
249 return;
250 }
251
252 /* report the timeout to libata */
253 sas_end_task(cmd, task);
254 list_move_tail(&cmd->eh_entry, &ha->eh_ata_q);
255}
256
257static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd *my_cmd) 250static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd *my_cmd)
258{ 251{
259 struct scsi_cmnd *cmd, *n; 252 struct scsi_cmnd *cmd, *n;
@@ -261,7 +254,7 @@ static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd
261 list_for_each_entry_safe(cmd, n, error_q, eh_entry) { 254 list_for_each_entry_safe(cmd, n, error_q, eh_entry) {
262 if (cmd->device->sdev_target == my_cmd->device->sdev_target && 255 if (cmd->device->sdev_target == my_cmd->device->sdev_target &&
263 cmd->device->lun == my_cmd->device->lun) 256 cmd->device->lun == my_cmd->device->lun)
264 sas_eh_defer_cmd(cmd); 257 sas_eh_finish_cmd(cmd);
265 } 258 }
266} 259}
267 260
@@ -631,12 +624,12 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
631 case TASK_IS_DONE: 624 case TASK_IS_DONE:
632 SAS_DPRINTK("%s: task 0x%p is done\n", __func__, 625 SAS_DPRINTK("%s: task 0x%p is done\n", __func__,
633 task); 626 task);
634 sas_eh_defer_cmd(cmd); 627 sas_eh_finish_cmd(cmd);
635 continue; 628 continue;
636 case TASK_IS_ABORTED: 629 case TASK_IS_ABORTED:
637 SAS_DPRINTK("%s: task 0x%p is aborted\n", 630 SAS_DPRINTK("%s: task 0x%p is aborted\n",
638 __func__, task); 631 __func__, task);
639 sas_eh_defer_cmd(cmd); 632 sas_eh_finish_cmd(cmd);
640 continue; 633 continue;
641 case TASK_IS_AT_LU: 634 case TASK_IS_AT_LU:
642 SAS_DPRINTK("task 0x%p is at LU: lu recover\n", task); 635 SAS_DPRINTK("task 0x%p is at LU: lu recover\n", task);
@@ -647,7 +640,7 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
647 "recovered\n", 640 "recovered\n",
648 SAS_ADDR(task->dev), 641 SAS_ADDR(task->dev),
649 cmd->device->lun); 642 cmd->device->lun);
650 sas_eh_defer_cmd(cmd); 643 sas_eh_finish_cmd(cmd);
651 sas_scsi_clear_queue_lu(work_q, cmd); 644 sas_scsi_clear_queue_lu(work_q, cmd);
652 goto Again; 645 goto Again;
653 } 646 }