62 lines
2.3 KiB
Groff
62 lines
2.3 KiB
Groff
.\" $NetBSD: puffs.4,v 1.12 2014/03/18 18:20:39 riastradh Exp $
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.\"
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.\" Copyright (c) 2009 Antti Kantee. All rights reserved.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd November 22, 2009
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.Dt PUFFS 4
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.Os
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.Sh NAME
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.Nm puffs
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.Nd Pass-to-Userspace Framework File System
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.Sh SYNOPSIS
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.Cd "file-system PUFFS"
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.Cd "pseudo-device putter"
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.Sh DESCRIPTION
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.Nm
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provides a framework for creating file systems as userspace servers.
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The in-kernel VFS attachment is controlled through a special device
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node,
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.Pa /dev/puffs .
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People looking to implement file systems should use the
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system through the convenience library described in
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.Xr puffs 3 .
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.Ss Termination
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A
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.Nm
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file system can be unmounted regularly using
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.Xr umount 8 .
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The file system will automatically be unmounted in case the userspace
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server is killed or the control file descriptor closed.
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.Sh SEE ALSO
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.Xr puffs 3
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.Sh HISTORY
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An unsupported experimental version of
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.Nm
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first appeared in
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.Nx 4.0 .
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A stable version appeared in
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.Nx 5.0 .
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.Sh AUTHORS
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.An Antti Kantee Aq Mt pooka@iki.fi
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