Author: kib
Date: Tue Jan 10 13:34:39 2012
New Revision: 229931
URL: http://svn.freebsd.org/changeset/base/229931
Log:
MFC r229428:
Document the state of the lowervp vnode for null_nodeget().
MFC r229600 (by dim):
Output the correct vnode pointer.
Modified:
stable/9/sys/fs/nullfs/null_subr.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/fs/nullfs/null_subr.c
==============================================================================
--- stable/9/sys/fs/nullfs/null_subr.c Tue Jan 10 12:45:24 2012
(r229930)
+++ stable/9/sys/fs/nullfs/null_subr.c Tue Jan 10 13:34:39 2012
(r229931)
@@ -198,6 +198,9 @@ null_nodeget(mp, lowervp, vpp)
struct vnode *vp;
int error;
+ ASSERT_VOP_LOCKED(lowervp, "lowervp");
+ KASSERT(lowervp->v_usecount >= 1, ("Unreferenced vnode %p\n", lowervp));
+
/* Lookup the hash firstly */
*vpp = null_hashget(mp, lowervp);
if (*vpp != NULL) {
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