1.\" $OpenBSD: vput.9,v 1.8 2010/10/28 18:27:29 jmc Exp $ 2.\" 3.\" Copyright (c) 1996 Doug Rabson 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 19.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" 29.\" $FreeBSD: src/share/man/man9/vput.9,v 1.9 2001/10/01 16:09:25 ru Exp $ 30.\" 31.Dd $Mdocdate: October 28 2010 $ 32.Dt VPUT 9 33.Os 34.Sh NAME 35.Nm vput 36.Nd "decrement the reference count for a vnode and unlock it" 37.Sh SYNOPSIS 38.Fd #include <sys/param.h> 39.Fd #include <sys/vnode.h> 40.Ft void 41.Fn vput "struct vnode *vp" 42.Sh DESCRIPTION 43Decrement the 44.Va v_usecount 45field of the vnode 46.Fa vp 47and unlock the vnode. 48.Pp 49This operation is functionally equivalent to calling 50.Xr VOP_UNLOCK 9 51followed by 52.Xr vrele 9 . 53.Sh SEE ALSO 54.Xr vnode 9 , 55.Xr VOP_UNLOCK 9 , 56.Xr vref 9 , 57.Xr vrele 9 58.Sh AUTHORS 59This man page was originally written by 60.An Doug Rabson 61for 62.Fx . 63