1.\" -*- nroff -*- 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.\" $FreeBSD$ 30.\" 31.Dd July 27, 2014 32.Dt VOP_INACTIVE 9 33.Os 34.Sh NAME 35.Nm VOP_INACTIVE , 36.Nm VOP_RECLAIM 37.Nd reclaim file system resources for a vnode 38.Sh SYNOPSIS 39.In sys/param.h 40.In sys/vnode.h 41.Ft int 42.Fn VOP_INACTIVE "struct vnode *vp" "struct thread *td" 43.Ft int 44.Fn VOP_RECLAIM "struct vnode *vp" "struct thread *td" 45.Sh DESCRIPTION 46The arguments are: 47.Bl -tag -width 2n 48.It Fa vp 49The vnode being reclaimed. 50.El 51.Pp 52.Fn VOP_INACTIVE 53is called when the kernel is no longer using the vnode. 54This may be 55because the reference count reaches zero or it may be that the 56file system is being forcibly unmounted while there are open files. 57It can be used to reclaim space for 58.Sq open but deleted 59files. 60.Pp 61.Fn VOP_RECLAIM 62is called when a vnode is being reused for a different file system. 63Any file system specific resources associated with the vnode should be 64freed. 65.Sh LOCKS 66For both 67.Fn VOP_INACTIVE 68and 69.Fn VOP_RECLAIM , 70the 71.Fa vp 72will be exclusively locked on entry, and must be left exclusively 73locked on return. 74.Sh SEE ALSO 75.Xr vnode 9 76.Sh AUTHORS 77This manual page was written by 78.An Doug Rabson . 79