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Add VBFS: VirtualBox Shared Folder File System

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Refer to "man vbfs" on how to mount it.
This commit is contained in:
David van Moolenbroek
2012-04-09 19:56:45 +02:00
parent bb4d055fa6
commit 928d76dbe8
8 changed files with 236 additions and 4 deletions
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2
man/man8/Makefile
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@@ -9,7 +9,7 @@ MAN= add_route.8 backup.8 badblocks.8 boot.8 btrace.8 \
rdate.8 readclock.8 reboot.8 repartition.8 \
rshd.8 screendump.8 serial-ip.8 service.8 \
setup.8 shutdown.8 slip.8 srccrc.8 sync.8 syslogd.8 tcpd.8 \
unix.8 update.8 usage.8
unix.8 update.8 usage.8 vbfs.8
MLINKS += httpd.8 in.httpd.8

5
man/man8/hgfs.8
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@@ -1,6 +1,6 @@
.TH HGFS 8
.SH NAME
hgfs \- Host/Guest File System server
hgfs \- VMware Host/Guest File System server
.SH SYNOPSIS
\fBmount \-t hgfs \fR[\fB\-r\fR] [\fB\-o \fIoptions\fR] \fBnone \fImountpoint
.SH DESCRIPTION
@@ -71,6 +71,7 @@ of HGFS is determined largely by the host. Other file system operations
because the file system structure as perceived by HGFS may change arbitrarily
at any time, due to modifications on the host side.
.SH "SEE ALSO"
.BR mount (1)
.BR mount (1),
.BR vbfs (8)
.SH AUTHOR
David van Moolenbroek <dcvmoole@cs.vu.nl>

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man/man8/vbfs.8 Normal file
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@@ -0,0 +1,70 @@
.TH VBFS 8
.SH NAME
vbfs \- VirtualBox Shared Folder File System server
.SH SYNOPSIS
\fBmount \-t vbfs \fR[\fB\-r\fR] \fB\-o
\fBshare=\fIsharename\fR[\fB,\fIoptions\fR] \fBnone \fImountpoint
.SH DESCRIPTION
The \fBvbfs\fR server allows one to mount a VirtualBox shared folder as a file
system. This makes it possible to access selected portions of the VirtualBox
host file system when MINIX is run as a VirtualBox guest.
.PP
The above mount command will mount the vbfs file system onto the directory
\fImountpoint\fR. The \fB\-r\fR mount option makes the file system read-only;
note that shared folders may independently have been configured as read-only
on the VMware host. The \fIoptions\fR field is a string consisting of
comma-delimited \fIkey\fR or \fIkey\fB=\fIvalue\fR options.
The vbfs server can mount only one shared folder at a time, and therefore,
specifying a \fBshare\fR name is required.
The other options are optional. The following options are supported.
.TP 4
\fBshare=\fIname\fR
This required option specifies the share name to mount. It is currently not
possible to list the available share names from within MINIX3.
.TP
\fBprefix=\fIpath\fR
This option sets a path prefix that will be prepended to all file system
operations on the host system. The default is the empty path, exposing the
entire share. Leading and trailing slashes are ignored.
.TP
\fBuid=\fInumber\fR
This sets the user ID used for all the files and directories in the file
system, allowing a non-root user to be the owner. The value must be specified
as a decimal number.
The default is root (the number \fB0\fR).
.TP
\fBgid=\fInumber\fR
Likewise, sets the group ID for all files and directories.
The default is operator (the number \fB0\fR).
.TP
\fBfmask=\fInumber\fR
This option sets the file permission mask of regular files. It is specified as
an octal number. For example, a value of \fB600\fR makes all files readable and
writable by the owning user (see the "\fBuid\fR" option).
The default is \fB755\fR.
.TP
\fBdmask=\fInumber\fR
Likewise, sets the file permission mask of directories.
The default is also \fB755\fR.
.SH EXAMPLES
.TP 20
.B mount \-t vbfs -o share=myshare none /usr/myshare
# Mount the "\fImyshare\fR" shared folder on \fI/usr/myshare\fR
.TP 20
.B mount \-t vbfs \-o share=shared,prefix=foo/bar,uid=20,fmask=644 none /mnt
# Mount the "\fIfoo/bar\fR" subtree from the "\fIshared\fR" shared folder on
\fI/mnt\fR
.SH LIMITATIONS
VBFS has been designed to provide a convenient means to exchange files between
the guest and the host system, not as a complete file system implementation.
As such, it comes with many limitations. Some of these are VBFS implementation
shortcomings; some are the result of behavioral differences between the host
file system and the guest's expectations; some are the result of a mismatch
between MINIX's VFS/FS protocol and the requirements from VBFS; and finally,
some are the result of the user's ability to change the file system on the
host system at any time.
.SH "SEE ALSO"
.BR mount (1),
.BR hgfs (8)
.SH AUTHOR
David van Moolenbroek <david@minix3.org>