Gitweb: http://git.kernel.org/linus/ea41e41588c248ee8b8162869c1e1c0565a4b3f6
Commit: ea41e41588c248ee8b8162869c1e1c0565a4b3f6
Parent: b75424fcfe8fae56344a65e3f04bbc7e975e750e
Author: Chauhan, Vijay <Vijay.Chauhan@lsi.com>
AuthorDate: Mon Jan 26 21:29:37 2009 +0530
Committer: James Bottomley <James.Bottomley@HansenPartnership.com>
CommitDate: Thu Mar 12 12:58:12 2009 -0500
[SCSI] scsi_dh_rdac: Retry for Quiescence in Progress in rdac device handler
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
Signed-off-by: Vijay Chauhan <vijay.chauhan@lsi.com>
Acked-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
drivers/scsi/device_handler/scsi_dh_rdac.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 5366476..f2b9d19 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -579,6 +579,11 @@ static int rdac_check_sense(struct scsi_device *sdev,
* 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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