[SCSI] libiscsi: Do not fail commands immediately during logout
If the target requests a logout, then we do not want
to fail commands to scsi-ml right away. This patch just
fails in pending commands for a requeue immediately, and then lets
iscsid handle running commands like normal recovery.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 9688361..b17081b 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -917,7 +917,7 @@
conn->ctask = list_entry(conn->xmitqueue.next,
struct iscsi_cmd_task, running);
if (conn->session->state == ISCSI_STATE_LOGGING_OUT) {
- fail_command(conn, conn->ctask, DID_NO_CONNECT << 16);
+ fail_command(conn, conn->ctask, DID_IMM_RETRY << 16);
continue;
}
if (iscsi_prep_scsi_cmd_pdu(conn->ctask)) {
@@ -1024,21 +1024,19 @@
* be entering our queuecommand while a block is starting
* up because the block code is not locked)
*/
- if (session->state == ISCSI_STATE_IN_RECOVERY) {
+ switch (session->state) {
+ case ISCSI_STATE_IN_RECOVERY:
reason = FAILURE_SESSION_IN_RECOVERY;
goto reject;
- }
-
- switch (session->state) {
+ case ISCSI_STATE_LOGGING_OUT:
+ reason = FAILURE_SESSION_LOGGING_OUT;
+ goto reject;
case ISCSI_STATE_RECOVERY_FAILED:
reason = FAILURE_SESSION_RECOVERY_TIMEOUT;
break;
case ISCSI_STATE_TERMINATE:
reason = FAILURE_SESSION_TERMINATE;
break;
- case ISCSI_STATE_LOGGING_OUT:
- reason = FAILURE_SESSION_LOGGING_OUT;
- break;
default:
reason = FAILURE_SESSION_FREED;
}