Branch:b1_6

update 13570 Entry

lustre/ChangeLog

@@ -139,7 +139,10 @@ Details    : Add "-u" option for lustre_config script to support upgrading 1.4
 
 Severity   : normal
 Bugzilla   : 13570
-Description: grant fixes to avoid grant_space > avail_space
+Description: To avoid grant space > avaible space when the disk is almost
+             full. Without this patch you might see the error "grant XXXX >
+	     available" or some LBUG about grant, when the disk is almost 
+	     full.
 Details    : In filter_check_grant, for non_grant cache write, we should
 	     check the left space by  if (*left > ungranted + bytes), instead 
 	     of (*left > ungranted), because only we are sure the left space