isci: Add decode for SMP request retry error condition
authorJeff Skirvin <jeffrey.d.skirvin@intel.com>
Mon, 20 Jun 2011 21:09:06 +0000 (14:09 -0700)
committerDan Williams <dan.j.williams@intel.com>
Sun, 3 Jul 2011 11:04:50 +0000 (04:04 -0700)
commitcde76fbf1f27551a08860227765ae8d5026ac0d9
tree15b05ab39908e634cd633232025025d54a94a0ed
parent61aaff49e20fdb700f1300a49962bc76effc77fc
isci: Add decode for SMP request retry error condition

There are situations with slow expanders in which a first attempt
to execute an SMP request will fail with a timeout.  Immediate
subsequent retries will generally succeed.  This change makes sure
SMP I/O failures are immediately failed to libsas so that retries
happen with no discovery process timeout delay.

Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/scsi/isci/request.c
drivers/scsi/isci/task.h