* Copyright (c) 1989 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
* @(#)dead_vnops.c 7.13 (Berkeley) 4/15/91
* Prototypes for dead operations on vnodes.
#define dead_create ((int (*) __P(( \
struct proc *p))) dead_badop)
#define dead_mknod ((int (*) __P(( \
struct proc *p))) dead_badop)
#define dead_close ((int (*) __P(( \
struct proc *p))) nullop)
#define dead_access ((int (*) __P(( \
struct proc *p))) dead_ebadf)
#define dead_getattr ((int (*) __P(( \
struct proc *p))) dead_ebadf)
#define dead_setattr ((int (*) __P(( \
struct proc *p))) dead_ebadf)
#define dead_mmap ((int (*) __P(( \
struct proc *p))) dead_badop)
#define dead_fsync ((int (*) __P(( \
struct proc *p))) nullop)
#define dead_seek ((int (*) __P(( \
struct ucred *cred))) nullop)
#define dead_remove ((int (*) __P(( \
struct proc *p))) dead_badop)
#define dead_link ((int (*) __P(( \
struct proc *p))) dead_badop)
#define dead_rename ((int (*) __P(( \
struct nameidata *fndp, \
struct nameidata *tdnp, \
struct proc *p))) dead_badop)
#define dead_mkdir ((int (*) __P(( \
struct proc *p))) dead_badop)
#define dead_rmdir ((int (*) __P(( \
struct proc *p))) dead_badop)
#define dead_symlink ((int (*) __P(( \
struct proc *p))) dead_badop)
#define dead_readdir ((int (*) __P(( \
int *eofflagp))) dead_ebadf)
#define dead_readlink ((int (*) __P(( \
struct ucred *cred))) dead_ebadf)
#define dead_abortop ((int (*) __P(( \
struct nameidata *ndp))) dead_badop)
#define dead_inactive ((int (*) __P(( \
struct proc *p))) nullop)
#define dead_reclaim ((int (*) __P(( \
struct vnode *vp))) nullop)
#define dead_unlock ((int (*) __P(( \
struct vnode *vp))) nullop)
#define dead_islocked ((int (*) __P(( \
struct vnode *vp))) nullop)
#define dead_advlock ((int (*) __P(( \
struct vnodeops dead_vnodeops
= {
dead_lookup
, /* lookup */
dead_create
, /* create */
dead_access
, /* access */
dead_getattr
, /* getattr */
dead_setattr
, /* setattr */
dead_select
, /* select */
dead_remove
, /* remove */
dead_rename
, /* rename */
dead_symlink
, /* symlink */
dead_readdir
, /* readdir */
dead_readlink
, /* readlink */
dead_abortop
, /* abortop */
dead_inactive
, /* inactive */
dead_reclaim
, /* reclaim */
dead_unlock
, /* unlock */
dead_strategy
, /* strategy */
dead_islocked
, /* islocked */
dead_advlock
, /* advlock */
* Trivial lookup routine that always fails.
* Open always fails as if device did not exist.
dead_open(vp
, mode
, cred
, p
)
dead_read(vp
, uio
, ioflag
, cred
)
panic("dead_read: lock");
* Return EOF for character devices, EIO for others
dead_write(vp
, uio
, ioflag
, cred
)
register struct vnode
*vp
;
panic("dead_write: lock");
* Device ioctl operation.
dead_ioctl(vp
, com
, data
, fflag
, cred
, p
)
return (VOP_IOCTL(vp
, com
, data
, fflag
, cred
, p
));
dead_select(vp
, which
, fflags
, cred
, p
)
* Let the user find out that the descriptor is gone.
* Just call the device strategy routine
if (bp
->b_vp
== NULL
|| !chkvnlock(bp
->b_vp
)) {
return (VOP_STRATEGY(bp
));
* Wait until the vnode has finished changing state.
* Wait until the vnode has finished changing state.
dead_bmap(vp
, bn
, vpp
, bnp
)
return (VOP_BMAP(vp
, bn
, vpp
, bnp
));
* Print out the contents of a dead vnode.
printf("tag VT_NON, dead vnode\n");
* Empty vnode failed operation
* Empty vnode bad operation
panic("dead_badop called");
* Empty vnode null operation
* We have to wait during times when the vnode is
register struct vnode
*vp
;
while (vp
->v_flag
& VXLOCK
) {
sleep((caddr_t
)vp
, PINOD
);