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: src/share/man/man9/VFS_SET.9,v 1.12 2008/11/17 20:49:29 pjd Exp $ 28.\" 29.Dd September 2, 2012 30.Dt VFS_SET 9 31.Os 32.Sh NAME 33.Nm VFS_SET 34.Nd set up loadable file system 35.Vt vfsconf 36.Sh SYNOPSIS 37.In sys/param.h 38.In sys/kernel.h 39.In sys/module.h 40.In sys/mount.h 41.Ft void 42.Fn VFS_SET "struct vfsops *vfsops" "fsname" "int flags" 43.Sh DESCRIPTION 44.Fn VFS_SET 45creates a 46.Vt vfsconf 47structure for the loadable module with the given 48.Fa vfsops , fsname 49and 50.Fa flags , 51and declares it by calling 52.Xr DECLARE_MODULE 9 53using 54.Fn vfs_modevent 55as the event handler. 56.Pp 57Possible values for the 58.Fa flags 59argument are: 60.Bl -hang -width ".Dv VFCF_SYNTHETIC" 61.It Dv VFCF_STATIC 62File system should be statically available in the kernel. 63.It Dv VFCF_NETWORK 64Network exportable file system. 65.It Dv VFCF_READONLY 66Does not support write operations. 67.It Dv VFCF_SYNTHETIC 68Pseudo file system, data does not represent on-disk files. 69.It Dv VFCF_LOOPBACK 70Loopback file system layer. 71.It Dv VFCF_UNICODE 72File names are stored as Unicode. 73.\".It Dv VFCF_JAIL 74.\"Can be mounted from within a jail if 75.\".Va security.jail.mount_allowed 76.\"sysctl is set to 77.\".Dv 1 . 78.\".It Dv VFCF_DELEGADMIN 79.\"Supports delegated administration if 80.\".Va vfs.usermount 81.\"sysctl is set to 82.\".Dv 1 . 83.El 84.Sh PSEUDOCODE 85.Bd -literal 86/* 87 * fill in the ones we use, and use the vfs_std for the rest. 88 */ 89static struct vfsops myfs_vfsops = { 90 myfs_mount, 91 vfs_stdstart, 92 myfs_unmount, 93 myfs_root, 94 vfs_stdquotactl, 95 myfs_statfs, 96 vfs_stdsync, 97 vfs_stdvget, 98 vfs_stdfhtovp, 99 vfs_stdcheckexp, 100 vfs_stdvptofh, 101 vfs_stdinit, 102 vfs_stduninit, 103 vfs_stdextattrctl, 104}; 105 106VFS_SET(myfs_vfsops, skelfs, 0); 107.Ed 108.Sh SEE ALSO 109.\".Xr jail 2 , 110.\".Xr jail 8 , 111.Xr DECLARE_MODULE 9 112.\".Xr vfsconf 9 , 113.\".Xr vfs_modevent 9 114.Sh AUTHORS 115This manual page was written by 116.An Chad David Aq Mt davidc@acns.ab.ca . 117