During device discovery read capacity fails with 0x068b02 and sets the device size to 0. As a reason any I/O submitted to this path gets killed at sd_prep_fn with BLKPREP_KILL. This patch is to retry for 0x068b02. Please apply.
From: Vijay Chauhan<vijay.chauhan@xxxxxxx>
This patch adds retry for Quiescence in Progress in rdac device handler.
Signed-off-by: Vijay Chauhan <vijay.chauhan@xxxxxxx>
---
--- linux-2.6.29-rc2/drivers/scsi/device_handler/scsi_dh_rdac.c.orig 2009-01-26 20:46:05.000000000 +0530
+++ linux-2.6.29-rc2/drivers/scsi/device_handler/scsi_dh_rdac.c 2009-01-26 20:47:34.000000000 +0530
@@ -579,6 +579,11 @@ static int rdac_check_sense(struct scsi_
* Power On, Reset, or Bus Device Reset, just retry.
*/
return ADD_TO_MLQUEUE;
+ if (sense_hdr->asc == 0x8b && sense_hdr->ascq == 0x02)
+ /*
+ * Quiescence in progress , just retry.
+ */
+ return ADD_TO_MLQUEUE;
break;
}
/* success just means we do not care what scsi-ml does */
--
--
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