75 lines
2.4 KiB
Groff
75 lines
2.4 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 1996 Doug Rabson
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.\"
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.\" All rights reserved.
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.\"
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.\" This program is free software.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 24, 1996
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.Os
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.Dt VFS_VGET 9
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.Sh NAME
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.Nm VFS_VGET
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.Nd convert an inode number to a vnode
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/mount.h
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.In sys/vnode.h
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.Ft int
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.Fn VFS_VGET "struct mount *mp" "ino_t ino" "int flags" "struct vnode **vpp"
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.Sh DESCRIPTION
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This converts an inode number into a locked vnode.
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.Pp
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Its arguments are:
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.Bl -tag -width ".Fa flags"
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.It Fa mp
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The file system.
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.It Fa ino
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The inode representing the file.
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.It Fa flags
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Additional locking flags to pass through.
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.It Fa vpp
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Return parameter for the vnode.
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.El
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.Pp
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This is an optional file system entry-point for file systems which have a
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unique id number for every file in the file system.
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It is used
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internally by the UFS file system and also by the NFSv3 server to
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implement the
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.Dv READDIRPLUS
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nfs call.
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.Pp
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If the file system does not support this call, then it should return
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.Er EOPNOTSUPP .
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.Sh SEE ALSO
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.Xr VFS 9 ,
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.Xr vget 9 ,
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.Xr vnode 9
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.Sh AUTHORS
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This manual page was written by
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.An Doug Rabson .
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