1.\" $OpenBSD: vcount.9,v 1.7 2013/06/04 19:27:15 schwarze Exp $ 2.\" 3.\" Copyright (c) 2000 Andrew Stevenson 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.\" If this man page travels to places exotic (like projects other than 30.\" FreeBSD) I would love to hear about it. 31.\" Andrew <andrew@ugh.net.au> 32.\" 33.\" $FreeBSD: src/share/man/man9/vcount.9,v 1.4 2001/12/26 23:14:04 davidc Exp $ 34.\" 35.Dd $Mdocdate: June 4 2013 $ 36.Dt VCOUNT 9 37.Os 38.Sh NAME 39.Nm vcount 40.Nd get total number of references to a device 41.Sh SYNOPSIS 42.In sys/param.h 43.In sys/time.h 44.In sys/conf.h 45.In sys/vnode.h 46.Ft int 47.Fn vcount "struct vnode *vp" 48.Sh DESCRIPTION 49.Fn vcount 50is used to get the number of references to a particular device. 51It allows for the fact that multiple vnodes may reference the same device. 52.Sh RETURN VALUES 53.Fn vcount 54returns the number of references to the device. 55.Sh SEE ALSO 56.Xr vnode 9 57.Sh AUTHORS 58This man page was originally written by 59.An Andrew Stevenson 60for 61.Fx . 62