[Midnightbsd-cvs] src [8378] trunk/sys/kern/vfs_subr.c: clarity

[laffer1 at midnightbsd.org]

Revision: 8378
          http://svnweb.midnightbsd.org/src/?rev=8378
Author:   laffer1
Date:     2016-09-18 15:09:12 -0400 (Sun, 18 Sep 2016)
Log Message:
-----------
clarity

Modified Paths:
--------------
    trunk/sys/kern/vfs_subr.c

Modified: trunk/sys/kern/vfs_subr.c
===================================================================
--- trunk/sys/kern/vfs_subr.c	2016-09-18 19:08:55 UTC (rev 8377)
+++ trunk/sys/kern/vfs_subr.c	2016-09-18 19:09:12 UTC (rev 8378)
@@ -2547,6 +2547,9 @@
 	 * Before moving off the active list, we must be sure that any
 	 * modified pages are on the vnode's dirty list since these will
 	 * no longer be checked once the vnode is on the inactive list.
+	 * Because the vnode vm object keeps a hold reference on the vnode
+	 * if there is at least one resident non-cached page, the vnode
+	 * cannot leave the active list without the page cleanup done.
 	 */
 	obj = vp->v_object;
 	if (obj != NULL && (obj->flags & OBJ_MIGHTBEDIRTY) != 0) {