Date: Tue, 3 Jan 2012 21:03:21 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r229428 - head/sys/fs/nullfs Message-ID: <201201032103.q03L3Lan043029@svn.freebsd.org>
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Author: kib Date: Tue Jan 3 21:03:20 2012 New Revision: 229428 URL: http://svn.freebsd.org/changeset/base/229428 Log: Document the state of the lowervp vnode for null_nodeget(). Tested by: pho MFC after: 1 week Modified: head/sys/fs/nullfs/null_subr.c Modified: head/sys/fs/nullfs/null_subr.c ============================================================================== --- head/sys/fs/nullfs/null_subr.c Tue Jan 3 20:53:58 2012 (r229427) +++ head/sys/fs/nullfs/null_subr.c Tue Jan 3 21:03:20 2012 (r229428) @@ -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", vp)); + /* Lookup the hash firstly */ *vpp = null_hashget(mp, lowervp); if (*vpp != NULL) {
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