[51/51] scsi_error: streamline scsi_eh_bus_device_reset()

Commit Message

Hannes Reinecke Aug. 17, 2021, 9:14 a.m. UTC

From: Hannes Reinecke <[e-mail]>

Streamline to use a similar code flow than the other reset functions.

Signed-off-by: Hannes Reinecke <[e-mail]>
---
 drivers/scsi/scsi_error.c | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

Patch

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 5cfff3fa306c..d4ab10113648 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1516,6 +1516,7 @@  static int scsi_eh_bus_device_reset(struct Scsi_Host *shost,
 {
 	struct scsi_cmnd *scmd, *bdr_scmd, *next;
 	struct scsi_device *sdev;
+	LIST_HEAD(check_list);
 	enum scsi_disposition rtn;
 
 	shost_for_each_device(sdev, shost) {
@@ -1541,27 +1542,22 @@  static int scsi_eh_bus_device_reset(struct Scsi_Host *shost,
 			sdev_printk(KERN_INFO, sdev,
 				     "%s: Sending BDR\n", current->comm));
 		rtn = scsi_try_bus_device_reset(sdev);
-		if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
-			if (!scsi_device_online(sdev) ||
-			    rtn == FAST_IO_FAIL ||
-			    !scsi_eh_tur(bdr_scmd)) {
-				list_for_each_entry_safe(scmd, next,
-							 work_q, eh_entry) {
-					if (scmd->device == sdev &&
-					    scsi_eh_action(scmd, rtn) != FAILED)
-						__scsi_eh_finish_cmd(scmd,
-								     done_q,
-								     DID_RESET);
-				}
-			}
-		} else {
+		if (rtn != SUCCESS && rtn != FAST_IO_FAIL)
 			SCSI_LOG_ERROR_RECOVERY(3,
 				sdev_printk(KERN_INFO, sdev,
 					    "%s: BDR failed\n", current->comm));
+		list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
+			if (scmd->device != sdev)
+				continue;
+			if (rtn == SUCCESS)
+				list_move_tail(&scmd->eh_entry, &check_list);
+			else if (rtn == FAST_IO_FAIL)
+				__scsi_eh_finish_cmd(scmd, done_q,
+						     DID_TRANSPORT_DISRUPTED);
 		}
 	}
 
-	return list_empty(work_q);
+	return scsi_eh_test_devices(&check_list, work_q, done_q, 0);
 }
 
 /**