1.\" Copyright (c) 1996 Doug Rabson 2.\" 3.\" All rights reserved. 4.\" 5.\" This program is free software. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 17.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 20.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26.\" 27.\" $FreeBSD: src/share/man/man9/vrele.9,v 1.6.2.2 2001/12/17 11:30:19 ru Exp $ 28.\" $DragonFly: src/share/man/man9/vrele.9,v 1.7 2007/05/11 08:25:24 swildner Exp $ 29.\" 30.Dd May 5, 2007 31.Os 32.Dt VRELE 9 33.Sh NAME 34.Nm vrele 35.Nd Release a previously obtained primary reference for a vnode 36.Sh SYNOPSIS 37.In sys/param.h 38.In sys/vnode.h 39.Ft void 40.Fn vrele "struct vnode *vp" 41.Sh DESCRIPTION 42The caller is holding a primary reference to the vnode and wishes to 43release it. 44.Bl -tag -width ".Fa vp" 45.It Fa vp 46The vnode being released. 47.El 48.Pp 49Any code in the system which obtains a primary reference to a vnode via 50.Xr vref 9 51typically releases that reference with 52.Fn vrele 53when it is finished with the vnode. 54Upon release of the last primary 55reference, the vnode will be deactivated and either moved to the free 56list for later reuse or marked as being cache. 57The vnode can be reactivated at any time prior to the system reusing it. 58.Sh SEE ALSO 59.Xr vdrop 9 , 60.Xr vget 9 , 61.Xr vhold 9 , 62.Xr vnode 9 , 63.Xr vn_lock 9 , 64.Xr vn_unlock 9 , 65.Xr vput 9 , 66.Xr vref 9 67.Sh AUTHORS 68This manual page was written by 69.An Doug Rabson . 70