1.\" 2.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice(s), this list of conditions and the following disclaimer as 9.\" the first lines of this file unmodified other than the possible 10.\" addition of one or more copyright notices. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice(s), this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 16.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18.\" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY 19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 25.\" DAMAGE. 26.\" 27.\" $FreeBSD$ 28.\" 29.Dd November 21, 2001 30.Dt VGONE 9 31.Os 32.Sh NAME 33.Nm vgone , vgonel 34.Nd "prepare a vnode for reuse" 35.Sh SYNOPSIS 36.In sys/param.h 37.In sys/vnode.h 38.Ft void 39.Fn vgone "struct vnode *vp" 40.Ft void 41.Fn vgonel "struct vnode *vp" "struct thread *td" 42.Sh DESCRIPTION 43.Fn vgone 44and 45.Fn vgonel 46prepare a vnode for reuse by another file system. 47The preparation includes the cleaning of all file system specific data and 48the removal from its mount point vnode list. 49.Pp 50If the vnode has a 51.Va v_usecount 52of zero, and its 53.Dv VI_DOOMED 54flag is not set, it is moved to the head of the free list 55as in most cases the vnode 56is about to be reused, or its file system being unmounted. 57.Pp 58The difference between 59.Fn vgone 60and 61.Fn vgonel 62is that 63.Fn vgone 64locks the vnode interlock and then calls 65.Fn vgonel 66while 67.Fn vgonel 68expects the interlock to already be locked. 69.Sh AUTHORS 70This manual page was written by 71.An Chad David Aq davidc@acns.ab.ca . 72