1fab63cc4SDoug Rabson.\" -*- nroff -*- 2fab63cc4SDoug Rabson.\" 3fab63cc4SDoug Rabson.\" Copyright (c) 1996 Doug Rabson 4fab63cc4SDoug Rabson.\" 5fab63cc4SDoug Rabson.\" All rights reserved. 6fab63cc4SDoug Rabson.\" 7fab63cc4SDoug Rabson.\" This program is free software. 8fab63cc4SDoug Rabson.\" 9fab63cc4SDoug Rabson.\" Redistribution and use in source and binary forms, with or without 10fab63cc4SDoug Rabson.\" modification, are permitted provided that the following conditions 11fab63cc4SDoug Rabson.\" are met: 12fab63cc4SDoug Rabson.\" 1. Redistributions of source code must retain the above copyright 13fab63cc4SDoug Rabson.\" notice, this list of conditions and the following disclaimer. 14fab63cc4SDoug Rabson.\" 2. Redistributions in binary form must reproduce the above copyright 15fab63cc4SDoug Rabson.\" notice, this list of conditions and the following disclaimer in the 16fab63cc4SDoug Rabson.\" documentation and/or other materials provided with the distribution. 17fab63cc4SDoug Rabson.\" 18fab63cc4SDoug Rabson.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 19fab63cc4SDoug Rabson.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20fab63cc4SDoug Rabson.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21fab63cc4SDoug Rabson.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22fab63cc4SDoug Rabson.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23fab63cc4SDoug Rabson.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24fab63cc4SDoug Rabson.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25fab63cc4SDoug Rabson.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26fab63cc4SDoug Rabson.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27fab63cc4SDoug Rabson.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28fab63cc4SDoug Rabson.\" 29c327ec00STom McLaughlin.Dd May 23, 2009 30fab63cc4SDoug Rabson.Dt VFS_ROOT 9 31*aa12cea2SUlrich Spörlein.Os 32fab63cc4SDoug Rabson.Sh NAME 33fab63cc4SDoug Rabson.Nm VFS_ROOT 34fab63cc4SDoug Rabson.Nd return the root vnode of a file system 35fab63cc4SDoug Rabson.Sh SYNOPSIS 3632eef9aeSRuslan Ermilov.In sys/param.h 3732eef9aeSRuslan Ermilov.In sys/mount.h 3832eef9aeSRuslan Ermilov.In sys/vnode.h 39fab63cc4SDoug Rabson.Ft int 40c327ec00STom McLaughlin.Fn VFS_ROOT "struct mount *mp" "int flags" "struct vnode **vpp" 41fab63cc4SDoug Rabson.Sh DESCRIPTION 42fab63cc4SDoug RabsonReturn a locked vnode for the root directory of the file system. 43fab63cc4SDoug Rabson.Pp 44fab63cc4SDoug RabsonIts arguments are: 4544689dc0SPawel Jakub Dawidek.Bl -tag -width flags 460640e9e0SHiten Pandya.It Fa mp 47fab63cc4SDoug RabsonThe file system. 4844689dc0SPawel Jakub Dawidek.It Fa flags 4981ae4b8dSRuslan ErmilovThe lock type. 5081ae4b8dSRuslan ErmilovCould be 5144689dc0SPawel Jakub Dawidek.Dv LK_EXCLUSIVE 5244689dc0SPawel Jakub Dawidekor 5344689dc0SPawel Jakub Dawidek.Dv LK_SHARED . 5444689dc0SPawel Jakub DawidekFile system is free to ignore the 5544689dc0SPawel Jakub Dawidek.Fa flags 5644689dc0SPawel Jakub Dawidekargument and instead acquire an exclusive lock. 570640e9e0SHiten Pandya.It Fa vpp 58fab63cc4SDoug RabsonReturn parameter for the root vnode. 59fab63cc4SDoug Rabson.El 60fab63cc4SDoug Rabson.Sh SEE ALSO 61bceb8aedSWolfram Schneider.Xr VFS 9 , 62bceb8aedSWolfram Schneider.Xr vnode 9 63fab63cc4SDoug Rabson.Sh AUTHORS 6409356c84SHiten PandyaThis manual page was written by 65aaf1f16eSPhilippe Charnier.An Doug Rabson . 66