new calling convention

[unix-history] / usr / src / sys / ufs / mfs / mfsnode.h

/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*
*      @(#)mfsnode.h   7.7 (Berkeley) %G%
*/

/*
* 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. */
#define mfs_lookup ((int (*) __P(( \
               struct vnode *dvp, \
               struct vnode **vpp, \
               struct componentname *cnp))) mfs_badop)
#define mfs_create ((int (*) __P(( \
               struct vnode *dvp, \
               struct vnode **vpp, \
               struct componentname *cnp, \
               struct vattr *vap))) mfs_badop)
#define mfs_mknod ((int (*) __P(( \
               struct vnode *dvp, \
               struct vnode **vpp, \
               struct componentname *cnp, \
               struct vattr *vap))) mfs_badop)
#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)
#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 vnode *dvp, \
               struct vnode *vp, \
               struct componentname *cnp))) mfs_badop)
#define mfs_link ((int (*) __P(( \
               register struct vnode *vp, \
               struct vnode *tdvp, \
               struct componentname *cnp))) mfs_badop)
#define mfs_rename ((int (*) __P(( \
               struct vnode *fdvp, \
               struct vnode *fvp, \
               struct componentname *fcnp, \
               struct vnode *tdvp, \
               struct vnode *tvp, \
               struct componentname *tcnp))) mfs_badop)
#define mfs_mkdir ((int (*) __P(( \
               struct vnode *dvp, \
               struct vnode **vpp, \
               struct componentname *cnp, \
               struct vattr *vap))) mfs_badop)
#define mfs_rmdir ((int (*) __P(( \
               struct vnode *dvp, \
               struct vnode *vp, \
               struct componentname *cnp))) mfs_badop)
#define mfs_symlink ((int (*) __P(( \
               struct vnode *dvp, \
               struct vnode **vpp, \
               struct componentname *cnp, \
               struct vattr *vap, \
               char *target))) 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 vnode *dvp, \
               struct componentname *cnp))) mfs_badop)
#define mfs_lock ((int (*) __P(( \
               struct vnode *vp))) nullop)
#define mfs_unlock ((int (*) __P(( \
               struct vnode *vp))) nullop)
#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)
#define mfs_blkatoff ((int (*) __P(( \
               struct vnode *vp, \
               off_t offset, \
               char **res, \
               struct buf **bpp))) mfs_badop)
#define mfs_vget ((int (*) __P(( \
               struct mount *mp, \
               ino_t ino, \
               struct vnode **vpp))) mfs_badop)
#define mfs_valloc ((int (*) __P(( \
               struct vnode *pvp, \
               int mode, \
               struct ucred *cred, \
               struct vnode **vpp))) mfs_badop)
#define mfs_vfree ((void (*) __P(( \
               struct vnode *pvp, \
               ino_t ino, \
               int mode))) mfs_badop)
#define mfs_truncate ((int (*) __P(( \
               struct vnode *vp, \
               u_long length, \
               int flags))) mfs_badop)
#define mfs_update ((int (*) __P(( \
               struct vnode *vp, \
               struct timeval *ta, \
               struct timeval *tm, \
               int waitfor))) nullop)
#define mfs_bwrite ((int (*) __P(( \
               struct buf *bp))) nullop)