1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2002 Networks Associates Technology, Inc. 4.\" All rights reserved. 5.\" 6.\" This software was developed for the FreeBSD Project by NAI Labs, the 7.\" Security Research Division of Network Associates, Inc. under 8.\" DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA 9.\" CHATS research program. 10.\" 11.\" Redistribution and use in source and binary forms, with or without 12.\" modification, are permitted provided that the following conditions 13.\" are met: 14.\" 1. Redistributions of source code must retain the above copyright 15.\" notice, this list of conditions and the following disclaimer. 16.\" 2. Redistributions in binary form must reproduce the above copyright 17.\" notice, this list of conditions and the following disclaimer in the 18.\" documentation and/or other materials provided with the distribution. 19.\" 3. The names of the authors may not be used to endorse or promote 20.\" products derived from this software without specific prior written 21.\" permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.Dd June 20, 2019 36.Dt VOP_REVOKE 9 37.Os 38.Sh NAME 39.Nm VOP_REVOKE 40.Nd "revoke access to a device and its aliases" 41.Sh SYNOPSIS 42.In sys/param.h 43.In sys/vnode.h 44.Ft int 45.Fn VOP_REVOKE "struct vnode *vp" "int flags" 46.Sh DESCRIPTION 47.Fn VOP_REVOKE 48will administratively revoke access to the device specified by 49.Fa vp , 50as well as any aliases created via 51.Xr make_dev_alias 9 . 52Further file operations on any of these devices by processes 53which have them open will nominally fail. 54The 55.Fa flags 56must be set to 57.Dv REVOKEALL 58to signify that all access will be revoked; any other value is invalid. 59.Sh LOCKS 60The 61.Fa vp 62must be exclusively locked on entry, and will remain locked upon return. 63.Sh SEE ALSO 64.Xr make_dev_alias 9 , 65.Xr vnode 9 66.Sh AUTHORS 67This manual page was written by 68.An Brian Fundakowski Feldman . 69