home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 1989 The Regents of the University of California.
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
- *
- * @(#)mfsnode.h 7.3 (Berkeley) 4/16/91
- */
-
- /*
- * This structure defines the control data for the memory
- * based file system.
- */
-
- struct mfsnode {
- struct vnode *mfs_vnode; /* vnode associated with this mfsnode */
- caddr_t mfs_baseoff; /* base of file system in memory */
- long mfs_size; /* size of memory file system */
- pid_t mfs_pid; /* supporting process pid */
- struct buf *mfs_buflist; /* list of I/O requests */
- long mfs_spare[4];
- };
-
- /*
- * Convert between mfsnode pointers and vnode pointers
- */
- #define VTOMFS(vp) ((struct mfsnode *)(vp)->v_data)
- #define MFSTOV(mfsp) ((mfsp)->mfs_vnode)
-
- /*
- * Prototypes for MFS operations on vnodes.
- */
- int mfs_badop();
- #define mfs_lookup ((int (*) __P(( \
- struct vnode *vp, \
- struct nameidata *ndp, \
- struct proc *p))) mfs_badop)
- #define mfs_create ((int (*) __P(( \
- struct nameidata *ndp, \
- struct vattr *vap, \
- struct proc *p))) mfs_badop)
- #define mfs_mknod ((int (*) __P(( \
- struct nameidata *ndp, \
- struct vattr *vap, \
- struct ucred *cred, \
- struct proc *p))) mfs_badop)
- int mfs_open __P((
- struct vnode *vp,
- int mode,
- struct ucred *cred,
- struct proc *p));
- int mfs_close __P((
- struct vnode *vp,
- int fflag,
- struct ucred *cred,
- struct proc *p));
- #define mfs_access ((int (*) __P(( \
- struct vnode *vp, \
- int mode, \
- struct ucred *cred, \
- struct proc *p))) mfs_badop)
- #define mfs_getattr ((int (*) __P(( \
- struct vnode *vp, \
- struct vattr *vap, \
- struct ucred *cred, \
- struct proc *p))) mfs_badop)
- #define mfs_setattr ((int (*) __P(( \
- struct vnode *vp, \
- struct vattr *vap, \
- struct ucred *cred, \
- struct proc *p))) mfs_badop)
- #define mfs_read ((int (*) __P(( \
- struct vnode *vp, \
- struct uio *uio, \
- int ioflag, \
- struct ucred *cred))) mfs_badop)
- #define mfs_write ((int (*) __P(( \
- struct vnode *vp, \
- struct uio *uio, \
- int ioflag, \
- struct ucred *cred))) mfs_badop)
- int mfs_ioctl __P((
- struct vnode *vp,
- int command,
- caddr_t data,
- int fflag,
- struct ucred *cred,
- struct proc *p));
- #define mfs_select ((int (*) __P(( \
- struct vnode *vp, \
- int which, \
- int fflags, \
- struct ucred *cred, \
- struct proc *p))) mfs_badop)
- #define mfs_mmap ((int (*) __P(( \
- struct vnode *vp, \
- int fflags, \
- struct ucred *cred, \
- struct proc *p))) mfs_badop)
- #define mfs_fsync ((int (*) __P(( \
- struct vnode *vp, \
- int fflags, \
- struct ucred *cred, \
- int waitfor, \
- struct proc *p))) mfs_badop)
- #define mfs_seek ((int (*) __P(( \
- struct vnode *vp, \
- off_t oldoff, \
- off_t newoff, \
- struct ucred *cred))) mfs_badop)
- #define mfs_remove ((int (*) __P(( \
- struct nameidata *ndp, \
- struct proc *p))) mfs_badop)
- #define mfs_link ((int (*) __P(( \
- struct vnode *vp, \
- struct nameidata *ndp, \
- struct proc *p))) mfs_badop)
- #define mfs_rename ((int (*) __P(( \
- struct nameidata *fndp, \
- struct nameidata *tdnp, \
- struct proc *p))) mfs_badop)
- #define mfs_mkdir ((int (*) __P(( \
- struct nameidata *ndp, \
- struct vattr *vap, \
- struct proc *p))) mfs_badop)
- #define mfs_rmdir ((int (*) __P(( \
- struct nameidata *ndp, \
- struct proc *p))) mfs_badop)
- #define mfs_symlink ((int (*) __P(( \
- struct nameidata *ndp, \
- struct vattr *vap, \
- char *target, \
- struct proc *p))) mfs_badop)
- #define mfs_readdir ((int (*) __P(( \
- struct vnode *vp, \
- struct uio *uio, \
- struct ucred *cred, \
- int *eofflagp))) mfs_badop)
- #define mfs_readlink ((int (*) __P(( \
- struct vnode *vp, \
- struct uio *uio, \
- struct ucred *cred))) mfs_badop)
- #define mfs_abortop ((int (*) __P(( \
- struct nameidata *ndp))) mfs_badop)
- int mfs_inactive __P((
- struct vnode *vp,
- struct proc *p));
- #define mfs_reclaim ((int (*) __P(( \
- struct vnode *vp))) nullop)
- #define mfs_lock ((int (*) __P(( \
- struct vnode *vp))) nullop)
- #define mfs_unlock ((int (*) __P(( \
- struct vnode *vp))) nullop)
- int mfs_bmap __P((
- struct vnode *vp,
- daddr_t bn,
- struct vnode **vpp,
- daddr_t *bnp));
- int mfs_strategy __P((
- struct buf *bp));
- int mfs_print __P((
- struct vnode *vp));
- #define mfs_islocked ((int (*) __P(( \
- struct vnode *vp))) nullop)
- #define mfs_advlock ((int (*) __P(( \
- struct vnode *vp, \
- caddr_t id, \
- int op, \
- struct flock *fl, \
- int flags))) mfs_badop)
-