isci: When in the abort path, defeat other resume calls until done.

Completion of I/Os during the one of the abort path interface calls
from libsas can drive remote device state changes and the resumption
of the device RNC.  This is a problem when the abort path is
attempting to cleanup outstanding I/O at the same time - the resumption
can prevent the termination from occuring correctly.

Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h
index d1d1892..53564c3 100644
--- a/drivers/scsi/isci/remote_device.h
+++ b/drivers/scsi/isci/remote_device.h
@@ -86,6 +86,7 @@
 	#define IDEV_IO_READY 4
 	#define IDEV_IO_NCQERROR 5
 	#define IDEV_RNC_LLHANG_ENABLED 6
+	#define IDEV_ABORT_PATH_ACTIVE 7
 	unsigned long flags;
 	struct kref kref;
 	struct isci_port *isci_port;