This is the current draft of my filesystem manpages. Some files are

incomplete and some are just placeholders but I wanted to try to get
something at least into 2.2 on the grounds that what I have is a lot
better than nothing.  I also wanted to commit something which documents
the interfaces in 2.2 before I start updating the documentation for 3.0.

This is a definite 2.2 candidate and is also relavent to 2.1 if people
still care about that branch.

1 files changed, 78 insertions, 0 deletions

diff --git a/share/man/man9/VOP_IOCTL.9 b/share/man/man9/VOP_IOCTL.9
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+.\" -*- nroff -*-
+.\"
+.\" Copyright (c) 1996 Doug Rabson
+.\"
+.\" All rights reserved.
+.\"
+.\" This program is free software.
+.\"
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 DEVELOPERS 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.
+.\"
+.\" $Id$
+.\"
+.Dd July 24, 1996
+.Os
+.Dt VOP_IOCTL 9
+.Sh NAME
+.Nm VOP_IOCTL
+.Nd device specific control
+.Sh SYNOPSIS
+.Fd #include <sys/vnode.h>
+.Ft int
+.Fn VOP_IOCTL "struct vnode *vp" "int command" "caddr_t data" "int fflag" "struct ucred *cred" "struct proc *p"
+.Sh DESCRIPTION
+Manipulate a file in device dependant ways.
+.Pp
+Its arguments are:
+.Bl -tag -width command
+.It Ar vp
+the vnode of the file (normally representing a device)
+.It Ar command
+the device specific operation to perform
+.It Ar cnp
+extra data for the specified operation
+.It Ar fflag
+some flags ???
+.It Ar cred
+the caller's credentials
+.It Ar p
+the calling process
+.El
+.Pp
+Most filesystems do not implement this entry point.
+.Sh LOCKS
+The file should not be locked on entry.
+.Sh RETURN VALUES
+If successful, zero is returned, otherwise an appropriate error code.
+.Sh PSEUDOCODE
+.Bd -literal
+int
+vop_ioctl(struct vnode *vp, int command, caddr_t data, int fflag,
+	  struct ucred *cred, struct proc *p)
+{
+    return EOPNOTSUPP;
+}
+.Ed
+.Sh SEE ALSO
+.Xr vnode 9
+.Sh AUTHORS
+This man page was written by Doug Rabson.
+