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Diffstat (limited to 'sys/ufs/mfsnode.h')
| -rw-r--r-- | sys/ufs/mfsnode.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/sys/ufs/mfsnode.h b/sys/ufs/mfsnode.h new file mode 100644 index 000000000000..9cd1c29e4845 --- /dev/null +++ b/sys/ufs/mfsnode.h @@ -0,0 +1,197 @@ +/* + * 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. + * + * from: @(#)mfsnode.h 7.3 (Berkeley) 4/16/91 + * $Id: mfsnode.h,v 1.2 1993/10/16 18:17:46 rgrimes Exp $ + */ + +/* + * 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) |