1*86d7f5d3SJohn Marino.\" Copyright (c) 1996 Doug Rabson 2*86d7f5d3SJohn Marino.\" 3*86d7f5d3SJohn Marino.\" All rights reserved. 4*86d7f5d3SJohn Marino.\" 5*86d7f5d3SJohn Marino.\" This program is free software. 6*86d7f5d3SJohn Marino.\" 7*86d7f5d3SJohn Marino.\" Redistribution and use in source and binary forms, with or without 8*86d7f5d3SJohn Marino.\" modification, are permitted provided that the following conditions 9*86d7f5d3SJohn Marino.\" are met: 10*86d7f5d3SJohn Marino.\" 1. Redistributions of source code must retain the above copyright 11*86d7f5d3SJohn Marino.\" notice, this list of conditions and the following disclaimer. 12*86d7f5d3SJohn Marino.\" 2. Redistributions in binary form must reproduce the above copyright 13*86d7f5d3SJohn Marino.\" notice, this list of conditions and the following disclaimer in the 14*86d7f5d3SJohn Marino.\" documentation and/or other materials provided with the distribution. 15*86d7f5d3SJohn Marino.\" 16*86d7f5d3SJohn Marino.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 17*86d7f5d3SJohn Marino.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18*86d7f5d3SJohn Marino.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19*86d7f5d3SJohn Marino.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 20*86d7f5d3SJohn Marino.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21*86d7f5d3SJohn Marino.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22*86d7f5d3SJohn Marino.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23*86d7f5d3SJohn Marino.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24*86d7f5d3SJohn Marino.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25*86d7f5d3SJohn Marino.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26*86d7f5d3SJohn Marino.\" 27*86d7f5d3SJohn Marino.\" $FreeBSD: src/share/man/man9/VFS_FHTOVP.9,v 1.6.2.5 2001/12/17 11:30:18 ru Exp $ 28*86d7f5d3SJohn Marino.\" 29*86d7f5d3SJohn Marino.Dd July 24, 1996 30*86d7f5d3SJohn Marino.Dt VFS_FHTOVP 9 31*86d7f5d3SJohn Marino.Os 32*86d7f5d3SJohn Marino.Sh NAME 33*86d7f5d3SJohn Marino.Nm VFS_FHTOVP 34*86d7f5d3SJohn Marino.Nd turn an NFS filehandle into a vnode 35*86d7f5d3SJohn Marino.Sh SYNOPSIS 36*86d7f5d3SJohn Marino.In sys/param.h 37*86d7f5d3SJohn Marino.In sys/mount.h 38*86d7f5d3SJohn Marino.In sys/vnode.h 39*86d7f5d3SJohn Marino.Ft int 40*86d7f5d3SJohn Marino.Fn VFS_FHTOVP "struct mount *mp" "struct fid *fhp" "struct vnode **vpp" 41*86d7f5d3SJohn Marino.Sh DESCRIPTION 42*86d7f5d3SJohn MarinoThis is used by the NFS server to turn an NFS filehandle into a vnode. 43*86d7f5d3SJohn Marino.Pp 44*86d7f5d3SJohn MarinoIts arguments are: 45*86d7f5d3SJohn Marino.Bl -tag -width vpp 46*86d7f5d3SJohn Marino.It Ar mp 47*86d7f5d3SJohn MarinoThe filesystem. 48*86d7f5d3SJohn Marino.It Ar fhp 49*86d7f5d3SJohn MarinoThe filehandle to convert. 50*86d7f5d3SJohn Marino.It Ar vpp 51*86d7f5d3SJohn MarinoReturn parameter for the new locked vnode. 52*86d7f5d3SJohn Marino.El 53*86d7f5d3SJohn Marino.Pp 54*86d7f5d3SJohn MarinoThe contents of the filehandle are defined by the filesystem and are 55*86d7f5d3SJohn Marinonot examined by any other part of the system. It should contain 56*86d7f5d3SJohn Marinoenough information to uniquely identify a file within the filesystem 57*86d7f5d3SJohn Marinoas well as noticing when a file has been removed and the filesystem 58*86d7f5d3SJohn Marinoresources have been reused for a new file. For instance, UFS 59*86d7f5d3SJohn Marinofilesystem stores the inode number and inode generation counter in its 60*86d7f5d3SJohn Marinofilehandle. 61*86d7f5d3SJohn Marino.Pp 62*86d7f5d3SJohn MarinoA call to this function should generally be preceded by a call to 63*86d7f5d3SJohn Marino.Xr VFS_CHECKEXP 9 64*86d7f5d3SJohn Marinoto check if the file is accessible to the client. 65*86d7f5d3SJohn Marino.Sh RETURN VALUES 66*86d7f5d3SJohn MarinoThe locked vnode for the file will be returned in 67*86d7f5d3SJohn Marino.Fa *vpp . 68*86d7f5d3SJohn Marino.Sh SEE ALSO 69*86d7f5d3SJohn Marino.Xr VFS 9 , 70*86d7f5d3SJohn Marino.Xr VFS_CHECKEXP 9 , 71*86d7f5d3SJohn Marino.Xr VFS_VPTOFH 9 , 72*86d7f5d3SJohn Marino.Xr vnode 9 73*86d7f5d3SJohn Marino.Sh AUTHORS 74*86d7f5d3SJohn MarinoThis man page was written by 75*86d7f5d3SJohn Marino.An Doug Rabson . 76