Date: Tue, 10 Jan 2012 13:34:40 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r229931 - stable/9/sys/fs/nullfs Message-ID: <201201101334.q0ADYeYT012505@svn.freebsd.org>
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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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