[SCSI] mpt2sas: Do not retry a timed out direct IO for warpdrive
authornagalakshmi.nandigama@lsi.com <nagalakshmi.nandigama@lsi.com>
Thu, 1 Dec 2011 02:23:02 +0000 (07:53 +0530)
committerJames Bottomley <JBottomley@Parallels.com>
Thu, 15 Dec 2011 06:57:39 +0000 (10:57 +0400)
commit4da7af9494b2f98a1503a2634059300c3e4615e6
treef72a460e0c710c685aee3e18277b1bc6de4a11d7
parent30c43282f3d347f47f9e05199d2b14f56f3f2837
[SCSI] mpt2sas: Do not retry a timed out direct IO for warpdrive

When an I/O request to a WarpDrive is timed out by SML and if the
I/O request to the WarpDrive is sent as direct I/O then the aborted
direct I/O will be retried as normal Volume I/O and which results
in failure of Target Reset and results in host reset.

The fix is to not retry a failed IO to volume when the original
IO was sent as direct IO with an ioc status
MPI2_IOCSTATUS_SCSI_TASK_TERMINATED.

Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/mpt2sas/mpt2sas_scsih.c