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Revision 1.7, Thu Nov 8 17:08:46 2007 UTC (6 years, 5 months ago) by pooka
Branch: MAIN
CVS Tags: yamt-pf42-baseX, yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pf42-base, yamt-pf42, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, tls-maxphys-base, tls-maxphys, riastradh-drm2-base, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, mjf-devfs2-base, mjf-devfs2, matt-premerge-20091211, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-premerge-20101231, matt-mips64-base2, matt-armv6-nbase, matt-armv6-base, keiichi-mipv6-base, keiichi-mipv6, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, hpcarm-cleanup-nbase, hpcarm-cleanup-base, cube-autoconf-base, cube-autoconf, cherry-xenmp-base, cherry-xenmp, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver
Branch point for: riastradh-drm2
Changes since 1.6: +3 -2 lines

I've written more than a fair share of this to see my name up in
lights.  Wine & women, come to me now!

.\"	$NetBSD: refuse.3,v 1.7 2007/11/08 17:08:46 pooka Exp $
.\"
.\" Copyright 2007 Alistair Crooks.  All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote
.\"    products derived from this software without specific prior written
.\"    permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd April 30, 2007
.Dt REFUSE 3
.Os
.Sh NAME
.Nm refuse
.Nd Re-implementation of a file system in userspace system
.Sh LIBRARY
.Lb librefuse
.Sh SYNOPSIS
.In fuse.h
.Ft int
.Fo fuse_main
.Fa "int argc" "char **argv" "const struct fuse_operations *"
.Fc
.Ft int
.Fo fuse_opt_add_arg
.Fa "struct fuse_args *args" "const char *arg"
.Fc
.Ft int
.Fo fuse_opt_parse
.Fa "struct fuse_args *args" "void *userdata"
.Fa "const struct fuse_opt *descriptions" "fuse_opt_proc_t processingfunc"
.Fc
.Ft int
.Fo fuse_teardown
.Fa "struct fuse *fuse" "char *mountpoint"
.Fc
.Ft struct fuse *
.Fo fuse_setup
.Fa "int argc" "char **argv" "const struct fuse_operations *ops"
.Fa "size_t opssize" "char **mountpoint" "int *multithreaded" "int *fd"
.Fc
.Ft int
.Fo puffs_fuse_node_getattr
.Fa "const char *path" "struct stat *attrs"
.Fc
.Ft int
.Fo puffs_fuse_node_readlink
.Fa "const char *path" "char *output" "size_t outlen"
.Fc
.Ft int
.Fo puffs_fuse_node_mknod
.Fa "const char *path" "mode_t permissions" "dev_t devicenumber"
.Fc
.Ft int
.Fo puffs_fuse_node_mkdir
.Fa "const char *path" "mode_t permissions"
.Fc
.Ft int
.Fo puffs_fuse_unlink
.Fa "const char *path"
.Fc
.Ft int
.Fo puffs_fuse_node_rmdir
.Fa "const char *path"
.Fc
.Ft int
.Fo puffs_fuse_node_symlink
.Fa "const char *path" "const char *target"
.Fc
.Ft int
.Fo puffs_fuse_node_rename
.Fa "const char *from" "const char *to"
.Fc
.Ft int
.Fo puffs_fuse_node_link
.Fa "const char *from" "const char *to"
.Fc
.Ft int
.Fo puffs_fuse_node_chmod
.Fa "const char *path" "mode_t permissions"
.Fc
.Ft int
.Fo puffs_fuse_node_own
.Fa "const char *path" "uid_t owner" "gid_t group"
.Fc
.Ft int
.Fo puffs_fuse_node_truncate
.Fa "const char *path" "off_t newsize"
.Fc
.Ft int
.Fo puffs_fuse_node_utime
.Fa "const char *path" "struct utimbuf *newtimes"
.Fc
.Ft int
.Fo puffs_fuse_node_open
.Fa "const char *path" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_read
.Fa "const char *path" "char *buffer" "size_t bufferlen" "off_t startoffset"
.Fa "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_write
.Fa "const char *path" "char *buffer" "size_t bufferlen" "off_t startoffset"
.Fa "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_fs_statfs
.Fa "const char *path" "struct statvfs *vfsinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_flush
.Fa "const char *path" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_fsync
.Fa "const char *path" "int flags" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_setxattr
.Fa "const char *path" "const char *attrname" "const char *attrvalue"
.Fa "size_t attrsize" "int flags"
.Fc
.Ft int
.Fo puffs_fuse_node_getxattr
.Fa "const char *path" "const char *attrname" "const char *attrvalue"
.Fa "size_t attrvaluesize"
.Fc
.Ft int
.Fo puffs_fuse_node_listxattr
.Fa "const char *path" "const char *attrname"
.Fa "size_t attrvaluesize"
.Fc
.Ft int
.Fo puffs_fuse_node_removexattr
.Fa "const char *path" "const char *attrname"
.Fc
.Ft int
.Fo puffs_fuse_node_opendir
.Fa "const char *path" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_readdir
.Fa "const char *path" "void *data" "fuse_fill_dir_t fillinfo"
.Fa "off_t offset" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_releasedir
.Fa "const char *path" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_fsyncdir
.Fa "const char *path" "int flags" "struct fuse_file_info *fileinfo"
.Fc
.Ft void *
.Fo puffs_fuse_fs_init
.Fa "struct fuse_conn_info *connectioninfo"
.Fc
.Ft void
.Fo puffs_fuse_node_destroy
.Fa "void *connection"
.Fc
.Ft int
.Fo puffs_fuse_node_access
.Fa "const char *path" "int accesstype"
.Fc
.Ft int
.Fo puffs_fuse_node_create
.Fa "const char *path" "mode_t permissions" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_ftruncate
.Fa "const char *path" "off_t offset" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_fgetattr
.Fa "const char *path" "struct stat *attrs" "struct fuse_file_info *fileinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_lock
.Fa "const char *path" "struct fuse_file_info *fileinfo"
.Fa "int locktype" "struct flock *lockinfo"
.Fc
.Ft int
.Fo puffs_fuse_node_utimens
.Fa "const char *path" "const struct timespec *newtimes"
.Fc
.Ft int
.Fo puffs_fuse_node_bmap
.Fa "const char *path" "size_t mapsize" "uint64_t offset"
.Fc
.Sh DESCRIPTION
.Nm
is a reimplementation of the file system in user space subsystem.
Operations are transported from the kernel virtual file system layer
to the concrete implementation behind
.Nm ,
where they are processed and results are sent back to the kernel.
.Pp
It uses the framework provided by the
.Xr puffs 3
subsystem, and, through that, the kernel interface provided by
.Xr puffs 4 .
.Sh SEE ALSO
.Xr puffs 3 ,
.Xr puffs 4
.Rs
.%A Antti Kantee
.%A Alistair Crooks
.%D September 2007
.%J EuroBSDCon 2007
.%T ReFUSE: Userspace FUSE Reimplementation Using puffs
.Re
.Sh HISTORY
An unsupported experimental version of
.Nm
first appeared in
.Nx 5.0 .
.Sh AUTHORS
.An Alistair Crooks Aq agc@NetBSD.org ,
.An Antti Kantee Aq pooka@NetBSD.org
.Sh BUGS
Many, legion, but well-loved.