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.\" 29.Dd May 5, 2007 30.Dt VRELE 9 31.Os 32.Sh NAME 33.Nm vrele 34.Nd Release a previously obtained primary reference for a vnode 35.Sh SYNOPSIS 36.In sys/param.h 37.In sys/vnode.h 38.Ft void 39.Fn vrele "struct vnode *vp" 40.Sh DESCRIPTION 41The caller is holding a primary reference to the vnode and wishes to 42release it. 43.Bl -tag -width ".Fa vp" 44.It Fa vp 45The vnode being released. 46.El 47.Pp 48Any code in the system which obtains a primary reference to a vnode via 49.Xr vref 9 50typically releases that reference with 51.Fn vrele 52when it is finished with the vnode. 53Upon release of the last primary 54reference, the vnode will be deactivated and either moved to the free 55list for later reuse or marked as being cache. 56The vnode can be reactivated at any time prior to the system reusing it. 57.Sh SEE ALSO 58.Xr vdrop 9 , 59.Xr vget 9 , 60.Xr vhold 9 , 61.Xr vnode 9 , 62.Xr vn_lock 9 , 63.Xr vn_unlock 9 , 64.Xr vput 9 , 65.Xr vref 9 66.Sh AUTHORS 67This manual page was written by 68.An Doug Rabson . 69