svn commit: r246339 - user/attilio/vmc-playground/sys/cddl/compat/opensolaris/sys

[Attilio Rao]

Author: attilio
Date: Tue Feb  5 00:20:00 2013
New Revision: 246339
URL: http://svnweb.freebsd.org/changeset/base/246339

Log:
  Restrengten vn_has_cached_data() by also checking the resident pages
  count, just like HEAD does.

Modified:
  user/attilio/vmc-playground/sys/cddl/compat/opensolaris/sys/vnode.h

Modified: user/attilio/vmc-playground/sys/cddl/compat/opensolaris/sys/vnode.h
==============================================================================
--- user/attilio/vmc-playground/sys/cddl/compat/opensolaris/sys/vnode.h	Tue Feb  5 00:09:33 2013	(r246338)
+++ user/attilio/vmc-playground/sys/cddl/compat/opensolaris/sys/vnode.h	Tue Feb  5 00:20:00 2013	(r246339)
@@ -75,7 +75,8 @@ vn_is_readonly(vnode_t *vp)
 #define	vn_mountedvfs(vp)	((vp)->v_mountedhere)
 #define	vn_has_cached_data(vp)	\
 	((vp)->v_object != NULL && \
-	 !vm_object_cache_is_empty((vp)->v_object))
+	 ((vp)->v_object->resident_page_count > 0 || \
+	  !vm_object_cache_is_empty((vp)->v_object))
 #define	vn_exists(vp)		do { } while (0)
 #define	vn_invalid(vp)		do { } while (0)
 #define	vn_renamepath(tdvp, svp, tnm, lentnm)	do { } while (0)