scsi: devinfo: add BLIST_RETRY_ITF for EMC Symmetrix

EMC Symmetrix returns 'internal target error' for a variety of
conditions, most of which will be transient.  So we should always retry
it, even with failfast set.  Otherwise we'd get spurious path flaps with
multipath.

Signed-off-by: Martin Wilck <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
3 files changed