Whenever we encounter a sense code of ALUA transitioning in scsi_io_completion() it means that the SCSI midlayer ran out of retries trying to wait for ALUA transitioning. In these cases we should be passing up the error, but signalling that the I/O might be retried, preferably on another path. So return BLK_STS_AGAIN in these cases. Signed-off-by: Hannes Reinecke <hare@xxxxxxx> --- drivers/scsi/scsi_lib.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index b628aa0d824c..e6221d65fa8e 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -764,6 +764,9 @@ static void scsi_io_completion_action(struct scsi_cmnd *cmd, int result) case 0x24: /* depopulation in progress */ action = ACTION_DELAYED_RETRY; break; + case 0x0a: /* ALUA state transistion */ + blk_stat = BLK_STS_AGAIN; + /* fall through */ default: action = ACTION_FAIL; break; -- 2.16.4
