IB/iser: Count FMR alignment violations per session

Count FMR alignment violations per session as part of the iscsi
statistics.

Signed-off-by: Eli Dorfman <elid@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 7b90b63..cd3ca63 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -225,6 +225,7 @@
 
 	/* custom statistics */
 	uint32_t		eh_abort_cnt;
+	uint32_t		fmr_unalign_cnt;
 };
 
 struct iscsi_pool {