File: [local] / sys / isofs / cd9660 / cd9660_vnops.c (download)
Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:14:51 2008 UTC (16 years, 6 months ago) by nbrk
Branch: OPENBSD_4_2_BASE, MAIN
CVS Tags: jornada-partial-support-wip, HEAD Changes since 1.1: +0 -0 lines
Import of OpenBSD 4.2 release kernel tree with initial code to support
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO
Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)
|
/* $OpenBSD: cd9660_vnops.c,v 1.43 2007/06/06 17:15:13 deraadt Exp $ */
/* $NetBSD: cd9660_vnops.c,v 1.42 1997/10/16 23:56:57 christos Exp $ */
/*-
* Copyright (c) 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley
* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
* Support code is derived from software contributed to Berkeley
* by Atsushi Murai (amurai@spec.co.jp).
*
* 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. 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.
*
* @(#)cd9660_vnops.c 8.15 (Berkeley) 12/5/94
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/resourcevar.h>
#include <sys/kernel.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/buf.h>
#include <sys/proc.h>
#include <sys/conf.h>
#include <sys/mount.h>
#include <sys/vnode.h>
#include <sys/malloc.h>
#include <sys/pool.h>
#include <sys/dirent.h>
#include <sys/ioctl.h>
#include <sys/ioccom.h>
#include <sys/cdio.h>
#include <sys/poll.h>
#include <miscfs/fifofs/fifo.h>
#include <miscfs/specfs/specdev.h>
#include <isofs/cd9660/iso.h>
#include <isofs/cd9660/cd9660_extern.h>
#include <isofs/cd9660/cd9660_node.h>
#include <isofs/cd9660/iso_rrip.h>
/*
* Structure for reading directories
*/
struct isoreaddir {
struct dirent saveent;
struct dirent assocent;
struct dirent current;
off_t saveoff;
off_t assocoff;
off_t curroff;
struct uio *uio;
off_t uio_off;
int eofflag;
u_long *cookies;
int ncookies;
};
int iso_uiodir(struct isoreaddir *, struct dirent *, off_t);
int iso_shipdir(struct isoreaddir *);
#if 0
/*
* Mknod vnode call
* Actually remap the device number
*/
int
cd9660_mknod(ndp, vap, cred, p)
struct nameidata *ndp;
struct ucred *cred;
struct vattr *vap;
struct proc *p;
{
#ifndef ISODEVMAP
pool_put(&namei_pool, ndp->ni_pnbuf);
vput(ndp->ni_dvp);
vput(ndp->ni_vp);
return (EINVAL);
#else
register struct vnode *vp;
struct iso_node *ip;
struct iso_dnode *dp;
int error;
vp = ndp->ni_vp;
ip = VTOI(vp);
if (ip->i_mnt->iso_ftype != ISO_FTYPE_RRIP
|| vap->va_type != vp->v_type
|| (vap->va_type != VCHR && vap->va_type != VBLK)) {
pool_put(&namei_pool, ndp->ni_pnbuf);
vput(ndp->ni_dvp);
vput(ndp->ni_vp);
return (EINVAL);
}
dp = iso_dmap(ip->i_dev,ip->i_number,1);
if (ip->inode.iso_rdev == vap->va_rdev || vap->va_rdev == VNOVAL) {
/* same as the unmapped one, delete the mapping */
remque(dp);
FREE(dp, M_CACHE);
} else
/* enter new mapping */
dp->d_dev = vap->va_rdev;
/*
* Remove inode so that it will be reloaded by iget and
* checked to see if it is an alias of an existing entry
* in the inode cache.
*/
vput(vp);
vp->v_type = VNON;
vgone(vp);
return (0);
#endif
}
#endif
/*
* Setattr call. Only allowed for block and character special devices.
*/
int
cd9660_setattr(v)
void *v;
{
struct vop_setattr_args *ap = v;
struct vnode *vp = ap->a_vp;
struct vattr *vap = ap->a_vap;
if (vap->va_flags != VNOVAL || vap->va_uid != (uid_t)VNOVAL ||
vap->va_gid != (gid_t)VNOVAL || vap->va_atime.tv_sec != VNOVAL ||
vap->va_mtime.tv_sec != VNOVAL || vap->va_mode != (mode_t)VNOVAL)
return (EROFS);
if (vap->va_size != VNOVAL) {
switch (vp->v_type) {
case VDIR:
return (EISDIR);
case VLNK:
case VREG:
return (EROFS);
case VCHR:
case VBLK:
case VSOCK:
case VFIFO:
return (0);
default:
return (EINVAL);
}
}
return (EINVAL);
}
/*
* Open called.
*
* Nothing to do.
*/
/* ARGSUSED */
int
cd9660_open(v)
void *v;
{
return (0);
}
/*
* Close called
*
* Update the times on the inode on writeable file systems.
*/
/* ARGSUSED */
int
cd9660_close(v)
void *v;
{
return (0);
}
/*
* Check mode permission on inode pointer. Mode is READ, WRITE or EXEC.
* The mode is shifted to select the owner/group/other fields. The
* super user is granted all permissions.
*/
int
cd9660_access(v)
void *v;
{
struct vop_access_args *ap = v;
struct iso_node *ip = VTOI(ap->a_vp);
return (vaccess(ip->inode.iso_mode & ALLPERMS, ip->inode.iso_uid,
ip->inode.iso_gid, ap->a_mode, ap->a_cred));
}
int
cd9660_getattr(v)
void *v;
{
struct vop_getattr_args *ap = v;
struct vnode *vp = ap->a_vp;
register struct vattr *vap = ap->a_vap;
register struct iso_node *ip = VTOI(vp);
vap->va_fsid = ip->i_dev;
vap->va_fileid = ip->i_number;
vap->va_mode = ip->inode.iso_mode & ALLPERMS;
vap->va_nlink = ip->inode.iso_links;
vap->va_uid = ip->inode.iso_uid;
vap->va_gid = ip->inode.iso_gid;
vap->va_atime = ip->inode.iso_atime;
vap->va_mtime = ip->inode.iso_mtime;
vap->va_ctime = ip->inode.iso_ctime;
vap->va_rdev = ip->inode.iso_rdev;
vap->va_size = (u_quad_t) ip->i_size;
if (ip->i_size == 0 && vp->v_type == VLNK) {
struct vop_readlink_args rdlnk;
struct iovec aiov;
struct uio auio;
char *cp;
MALLOC(cp, char *, MAXPATHLEN, M_TEMP, M_WAITOK);
aiov.iov_base = cp;
aiov.iov_len = MAXPATHLEN;
auio.uio_iov = &aiov;
auio.uio_iovcnt = 1;
auio.uio_offset = 0;
auio.uio_rw = UIO_READ;
auio.uio_segflg = UIO_SYSSPACE;
auio.uio_procp = ap->a_p;
auio.uio_resid = MAXPATHLEN;
rdlnk.a_uio = &auio;
rdlnk.a_vp = ap->a_vp;
rdlnk.a_cred = ap->a_cred;
if (cd9660_readlink(&rdlnk) == 0)
vap->va_size = MAXPATHLEN - auio.uio_resid;
FREE(cp, M_TEMP);
}
vap->va_flags = 0;
vap->va_gen = 1;
vap->va_blocksize = ip->i_mnt->logical_block_size;
vap->va_bytes = (u_quad_t) ip->i_size;
vap->va_type = vp->v_type;
return (0);
}
/*
* Vnode op for reading.
*/
int
cd9660_read(v)
void *v;
{
struct vop_read_args *ap = v;
struct vnode *vp = ap->a_vp;
register struct uio *uio = ap->a_uio;
register struct iso_node *ip = VTOI(vp);
register struct iso_mnt *imp;
struct buf *bp;
daddr64_t lbn, rablock;
off_t diff;
int error = 0;
long size, n, on;
if (uio->uio_resid == 0)
return (0);
if (uio->uio_offset < 0)
return (EINVAL);
ip->i_flag |= IN_ACCESS;
imp = ip->i_mnt;
do {
struct cluster_info *ci = &ip->i_ci;
lbn = lblkno(imp, uio->uio_offset);
on = blkoff(imp, uio->uio_offset);
n = min((u_int)(imp->logical_block_size - on),
uio->uio_resid);
diff = (off_t)ip->i_size - uio->uio_offset;
if (diff <= 0)
return (0);
if (diff < n)
n = diff;
size = blksize(imp, ip, lbn);
rablock = lbn + 1;
#define MAX_RA 32
if (ci->ci_lastr + 1 == lbn) {
struct ra {
daddr64_t blks[MAX_RA];
int sizes[MAX_RA];
} *ra;
int i;
MALLOC(ra, struct ra *, sizeof *ra,
M_TEMP, M_WAITOK);
for (i = 0; i < MAX_RA &&
lblktosize(imp, (rablock + i)) < ip->i_size;
i++) {
ra->blks[i] = rablock + i;
ra->sizes[i] = blksize(imp, ip, rablock + i);
}
error = breadn(vp, lbn, size, ra->blks,
ra->sizes, i, NOCRED, &bp);
FREE(ra, M_TEMP);
} else
error = bread(vp, lbn, size, NOCRED, &bp);
ci->ci_lastr = lbn;
n = min(n, size - bp->b_resid);
if (error) {
brelse(bp);
return (error);
}
error = uiomove(bp->b_data + on, (int)n, uio);
if (n + on == imp->logical_block_size ||
uio->uio_offset == (off_t)ip->i_size)
bp->b_flags |= B_AGE;
brelse(bp);
} while (error == 0 && uio->uio_resid > 0 && n != 0);
return (error);
}
/* ARGSUSED */
int
cd9660_ioctl(v)
void *v;
{
return (ENOTTY);
}
/* ARGSUSED */
int
cd9660_poll(v)
void *v;
{
struct vop_poll_args *ap = v;
/*
* We should really check to see if I/O is possible.
*/
return (ap->a_events & (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM));
}
/*
* Mmap a file
*
* NB Currently unsupported.
*/
/* ARGSUSED */
int
cd9660_mmap(v)
void *v;
{
return (EINVAL);
}
/*
* Seek on a file
*
* Nothing to do, so just return.
*/
/* ARGSUSED */
int
cd9660_seek(v)
void *v;
{
return (0);
}
int
iso_uiodir(idp,dp,off)
struct isoreaddir *idp;
struct dirent *dp;
off_t off;
{
int error;
dp->d_name[dp->d_namlen] = 0;
dp->d_reclen = DIRENT_SIZE(dp);
if (idp->uio->uio_resid < dp->d_reclen) {
idp->eofflag = 0;
return (-1);
}
if (idp->cookies) {
if (idp->ncookies <= 0) {
idp->eofflag = 0;
return (-1);
}
*idp->cookies++ = off;
--idp->ncookies;
}
if ((error = uiomove((caddr_t)dp, dp->d_reclen, idp->uio)) != 0)
return (error);
idp->uio_off = off;
return (0);
}
int
iso_shipdir(idp)
struct isoreaddir *idp;
{
struct dirent *dp;
int cl, sl, assoc;
int error;
char *cname, *sname;
cl = idp->current.d_namlen;
cname = idp->current.d_name;
if ((assoc = cl > 1 && *cname == ASSOCCHAR)) {
cl--;
cname++;
}
dp = &idp->saveent;
sname = dp->d_name;
if (!(sl = dp->d_namlen)) {
dp = &idp->assocent;
sname = dp->d_name + 1;
sl = dp->d_namlen - 1;
}
if (sl > 0) {
if (sl != cl
|| bcmp(sname,cname,sl)) {
if (idp->assocent.d_namlen) {
error = iso_uiodir(idp, &idp->assocent,
idp->assocoff);
if (error)
return (error);
idp->assocent.d_namlen = 0;
}
if (idp->saveent.d_namlen) {
error = iso_uiodir(idp, &idp->saveent,
idp->saveoff);
if (error)
return (error);
idp->saveent.d_namlen = 0;
}
}
}
idp->current.d_reclen = DIRENT_SIZE(&idp->current);
if (assoc) {
idp->assocoff = idp->curroff;
bcopy(&idp->current,&idp->assocent,idp->current.d_reclen);
} else {
idp->saveoff = idp->curroff;
bcopy(&idp->current,&idp->saveent,idp->current.d_reclen);
}
return (0);
}
/*
* Vnode op for readdir
*/
int
cd9660_readdir(v)
void *v;
{
struct vop_readdir_args *ap = v;
register struct uio *uio = ap->a_uio;
struct isoreaddir *idp;
struct vnode *vdp = ap->a_vp;
struct iso_node *dp;
struct iso_mnt *imp;
struct buf *bp = NULL;
struct iso_directory_record *ep;
int entryoffsetinblock;
doff_t endsearch;
u_long bmask;
int error = 0;
int reclen;
u_short namelen;
int ncookies = 0;
u_long *cookies = NULL;
dp = VTOI(vdp);
imp = dp->i_mnt;
bmask = imp->im_bmask;
MALLOC(idp, struct isoreaddir *, sizeof(*idp), M_TEMP, M_WAITOK);
idp->saveent.d_namlen = idp->assocent.d_namlen = 0;
/*
* XXX
* Is it worth trying to figure out the type?
*/
idp->saveent.d_type = idp->assocent.d_type = idp->current.d_type =
DT_UNKNOWN;
idp->uio = uio;
if (ap->a_ncookies == NULL) {
idp->cookies = NULL;
} else {
/*
* Guess the number of cookies needed.
*/
ncookies = uio->uio_resid / 16;
MALLOC(cookies, u_long *, ncookies * sizeof(u_long), M_TEMP,
M_WAITOK);
idp->cookies = cookies;
idp->ncookies = ncookies;
}
idp->eofflag = 1;
idp->curroff = uio->uio_offset;
if ((entryoffsetinblock = idp->curroff & bmask) &&
(error = cd9660_bufatoff(dp, (off_t)idp->curroff, NULL, &bp))) {
FREE(idp, M_TEMP);
return (error);
}
endsearch = dp->i_size;
while (idp->curroff < endsearch) {
/*
* If offset is on a block boundary,
* read the next directory block.
* Release previous if it exists.
*/
if ((idp->curroff & bmask) == 0) {
if (bp != NULL)
brelse(bp);
error = cd9660_bufatoff(dp, (off_t)idp->curroff,
NULL, &bp);
if (error)
break;
entryoffsetinblock = 0;
}
/*
* Get pointer to next entry.
*/
ep = (struct iso_directory_record *)
((char *)bp->b_data + entryoffsetinblock);
reclen = isonum_711(ep->length);
if (reclen == 0) {
/* skip to next block, if any */
idp->curroff =
(idp->curroff & ~bmask) + imp->logical_block_size;
continue;
}
if (reclen < ISO_DIRECTORY_RECORD_SIZE) {
error = EINVAL;
/* illegal entry, stop */
break;
}
if (entryoffsetinblock + reclen > imp->logical_block_size) {
error = EINVAL;
/* illegal directory, so stop looking */
break;
}
idp->current.d_namlen = isonum_711(ep->name_len);
if (reclen < ISO_DIRECTORY_RECORD_SIZE + idp->current.d_namlen) {
error = EINVAL;
/* illegal entry, stop */
break;
}
if (isonum_711(ep->flags)&2)
idp->current.d_fileno = isodirino(ep, imp);
else
idp->current.d_fileno = dbtob(bp->b_blkno) +
entryoffsetinblock;
idp->curroff += reclen;
switch (imp->iso_ftype) {
case ISO_FTYPE_RRIP:
cd9660_rrip_getname(ep,idp->current.d_name, &namelen,
&idp->current.d_fileno,imp);
idp->current.d_namlen = (u_char)namelen;
if (idp->current.d_namlen)
error = iso_uiodir(idp,&idp->current,idp->curroff);
break;
default: /* ISO_FTYPE_DEFAULT || ISO_FTYPE_9660 */
strlcpy(idp->current.d_name,"..",
sizeof idp->current.d_name);
if (idp->current.d_namlen == 1 && ep->name[0] == 0) {
idp->current.d_namlen = 1;
error = iso_uiodir(idp,&idp->current,idp->curroff);
} else if (idp->current.d_namlen == 1 &&
ep->name[0] == 1) {
idp->current.d_namlen = 2;
error = iso_uiodir(idp,&idp->current,idp->curroff);
} else {
isofntrans(ep->name,idp->current.d_namlen,
idp->current.d_name, &namelen,
imp->iso_ftype == ISO_FTYPE_9660,
isonum_711(ep->flags) & 4,
imp->joliet_level);
idp->current.d_namlen = (u_char)namelen;
if (imp->iso_ftype == ISO_FTYPE_DEFAULT)
error = iso_shipdir(idp);
else
error = iso_uiodir(idp,&idp->current,idp->curroff);
}
}
if (error)
break;
entryoffsetinblock += reclen;
}
if (!error && imp->iso_ftype == ISO_FTYPE_DEFAULT) {
idp->current.d_namlen = 0;
error = iso_shipdir(idp);
}
if (error < 0)
error = 0;
if (ap->a_ncookies != NULL) {
if (error)
free(cookies, M_TEMP);
else {
/*
* Work out the number of cookies actually used.
*/
*ap->a_ncookies = ncookies - idp->ncookies;
*ap->a_cookies = cookies;
}
}
if (bp)
brelse (bp);
uio->uio_offset = idp->uio_off;
*ap->a_eofflag = idp->eofflag;
FREE(idp, M_TEMP);
return (error);
}
/*
* Return target name of a symbolic link
* Shouldn't we get the parent vnode and read the data from there?
* This could eventually result in deadlocks in cd9660_lookup.
* But otherwise the block read here is in the block buffer two times.
*/
typedef struct iso_directory_record ISODIR;
typedef struct iso_node ISONODE;
typedef struct iso_mnt ISOMNT;
int
cd9660_readlink(v)
void *v;
{
struct vop_readlink_args *ap = v;
ISONODE *ip;
ISODIR *dirp;
ISOMNT *imp;
struct buf *bp;
struct uio *uio;
u_short symlen;
int error;
char *symname;
ip = VTOI(ap->a_vp);
imp = ip->i_mnt;
uio = ap->a_uio;
if (imp->iso_ftype != ISO_FTYPE_RRIP)
return (EINVAL);
/*
* Get parents directory record block that this inode included.
*/
error = bread(imp->im_devvp,
(ip->i_number >> imp->im_bshift) <<
(imp->im_bshift - DEV_BSHIFT),
imp->logical_block_size, NOCRED, &bp);
if (error) {
brelse(bp);
return (EINVAL);
}
/*
* Setup the directory pointer for this inode
*/
dirp = (ISODIR *)(bp->b_data + (ip->i_number & imp->im_bmask));
/*
* Just make sure, we have a right one....
* 1: Check not cross boundary on block
*/
if ((ip->i_number & imp->im_bmask) + isonum_711(dirp->length)
> imp->logical_block_size) {
brelse(bp);
return (EINVAL);
}
/*
* Now get a buffer
* Abuse a namei buffer for now.
*/
if (uio->uio_segflg == UIO_SYSSPACE &&
uio->uio_iov->iov_len >= MAXPATHLEN)
symname = uio->uio_iov->iov_base;
else
symname = pool_get(&namei_pool, PR_WAITOK);
/*
* Ok, we just gathering a symbolic name in SL record.
*/
if (cd9660_rrip_getsymname(dirp, symname, &symlen, imp) == 0) {
if (uio->uio_segflg != UIO_SYSSPACE ||
uio->uio_iov->iov_len < MAXPATHLEN)
pool_put(&namei_pool, symname);
brelse(bp);
return (EINVAL);
}
/*
* Don't forget before you leave from home ;-)
*/
brelse(bp);
/*
* return with the symbolic name to caller's.
*/
if (uio->uio_segflg != UIO_SYSSPACE ||
uio->uio_iov->iov_len < MAXPATHLEN) {
error = uiomove(symname, symlen, uio);
pool_put(&namei_pool, symname);
return (error);
}
uio->uio_resid -= symlen;
(char *)uio->uio_iov->iov_base += symlen;
uio->uio_iov->iov_len -= symlen;
return (0);
}
int
cd9660_link(v)
void *v;
{
struct vop_link_args *ap = v;
VOP_ABORTOP(ap->a_dvp, ap->a_cnp);
vput(ap->a_dvp);
return (EROFS);
}
int
cd9660_symlink(v)
void *v;
{
struct vop_symlink_args *ap = v;
VOP_ABORTOP(ap->a_dvp, ap->a_cnp);
vput(ap->a_dvp);
return (EROFS);
}
/*
* Lock an inode.
*/
int
cd9660_lock(v)
void *v;
{
struct vop_lock_args *ap = v;
struct vnode *vp = ap->a_vp;
return (lockmgr(&VTOI(vp)->i_lock, ap->a_flags, NULL));
}
/*
* Unlock an inode.
*/
int
cd9660_unlock(v)
void *v;
{
struct vop_unlock_args *ap = v;
struct vnode *vp = ap->a_vp;
return (lockmgr(&VTOI(vp)->i_lock, ap->a_flags | LK_RELEASE, NULL));
}
/*
* Calculate the logical to physical mapping if not done already,
* then call the device strategy routine.
*/
int
cd9660_strategy(v)
void *v;
{
struct vop_strategy_args *ap = v;
struct buf *bp = ap->a_bp;
struct vnode *vp = bp->b_vp;
struct iso_node *ip;
int error;
int s;
ip = VTOI(vp);
if (vp->v_type == VBLK || vp->v_type == VCHR)
panic("cd9660_strategy: spec");
if (bp->b_blkno == bp->b_lblkno) {
error = VOP_BMAP(vp, bp->b_lblkno, NULL, &bp->b_blkno, NULL);
if (error) {
bp->b_error = error;
bp->b_flags |= B_ERROR;
s = splbio();
biodone(bp);
splx(s);
return (error);
}
if ((long)bp->b_blkno == -1)
clrbuf(bp);
}
if ((long)bp->b_blkno == -1) {
s = splbio();
biodone(bp);
splx(s);
return (0);
}
vp = ip->i_devvp;
bp->b_dev = vp->v_rdev;
VOCALL (vp->v_op, VOFFSET(vop_strategy), ap);
return (0);
}
/*
* Print out the contents of an inode.
*/
/*ARGSUSED*/
int
cd9660_print(v)
void *v;
{
printf("tag VT_ISOFS, isofs vnode\n");
return (0);
}
/*
* Check for a locked inode.
*/
int
cd9660_islocked(v)
void *v;
{
struct vop_islocked_args *ap = v;
return (lockstatus(&VTOI(ap->a_vp)->i_lock));
}
/*
* Return POSIX pathconf information applicable to cd9660 filesystems.
*/
int
cd9660_pathconf(v)
void *v;
{
struct vop_pathconf_args *ap = v;
switch (ap->a_name) {
case _PC_LINK_MAX:
*ap->a_retval = 1;
return (0);
case _PC_NAME_MAX:
if (VTOI(ap->a_vp)->i_mnt->iso_ftype == ISO_FTYPE_RRIP)
*ap->a_retval = NAME_MAX;
else
*ap->a_retval = 37;
return (0);
case _PC_PATH_MAX:
*ap->a_retval = PATH_MAX;
return (0);
case _PC_PIPE_BUF:
*ap->a_retval = PIPE_BUF;
return (0);
case _PC_CHOWN_RESTRICTED:
*ap->a_retval = 1;
return (0);
case _PC_NO_TRUNC:
*ap->a_retval = 1;
return (0);
default:
return (EINVAL);
}
/* NOTREACHED */
}
/*
* Global vfs data structures for isofs
*/
#define cd9660_create eopnotsupp
#define cd9660_mknod eopnotsupp
#define cd9660_write eopnotsupp
#define cd9660_fsync nullop
#define cd9660_remove eopnotsupp
#define cd9660_rename eopnotsupp
#define cd9660_mkdir eopnotsupp
#define cd9660_rmdir eopnotsupp
#define cd9660_advlock eopnotsupp
#define cd9660_valloc eopnotsupp
#define cd9660_vfree eopnotsupp
#define cd9660_truncate eopnotsupp
#define cd9660_update eopnotsupp
#define cd9660_bwrite eopnotsupp
#define cd9660_revoke vop_generic_revoke
/*
* Global vfs data structures for cd9660
*/
int (**cd9660_vnodeop_p)(void *);
struct vnodeopv_entry_desc cd9660_vnodeop_entries[] = {
{ &vop_default_desc, vn_default_error },
{ &vop_lookup_desc, cd9660_lookup }, /* lookup */
{ &vop_create_desc, cd9660_create }, /* create */
{ &vop_mknod_desc, cd9660_mknod }, /* mknod */
{ &vop_open_desc, cd9660_open }, /* open */
{ &vop_close_desc, cd9660_close }, /* close */
{ &vop_access_desc, cd9660_access }, /* access */
{ &vop_getattr_desc, cd9660_getattr }, /* getattr */
{ &vop_setattr_desc, cd9660_setattr }, /* setattr */
{ &vop_read_desc, cd9660_read }, /* read */
{ &vop_write_desc, cd9660_write }, /* write */
{ &vop_ioctl_desc, cd9660_ioctl }, /* ioctl */
{ &vop_poll_desc, cd9660_poll }, /* poll */
{ &vop_revoke_desc, cd9660_revoke }, /* revoke */
{ &vop_fsync_desc, cd9660_fsync }, /* fsync */
{ &vop_remove_desc, cd9660_remove }, /* remove */
{ &vop_link_desc, cd9660_link }, /* link */
{ &vop_rename_desc, cd9660_rename }, /* rename */
{ &vop_mkdir_desc, cd9660_mkdir }, /* mkdir */
{ &vop_rmdir_desc, cd9660_rmdir }, /* rmdir */
{ &vop_symlink_desc, cd9660_symlink }, /* symlink */
{ &vop_readdir_desc, cd9660_readdir }, /* readdir */
{ &vop_readlink_desc, cd9660_readlink },/* readlink */
{ &vop_abortop_desc, vop_generic_abortop }, /* abortop */
{ &vop_inactive_desc, cd9660_inactive },/* inactive */
{ &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
{ &vop_lock_desc, cd9660_lock }, /* lock */
{ &vop_unlock_desc, cd9660_unlock }, /* unlock */
{ &vop_bmap_desc, cd9660_bmap }, /* bmap */
{ &vop_strategy_desc, cd9660_strategy },/* strategy */
{ &vop_print_desc, cd9660_print }, /* print */
{ &vop_islocked_desc, cd9660_islocked },/* islocked */
{ &vop_pathconf_desc, cd9660_pathconf },/* pathconf */
{ &vop_advlock_desc, cd9660_advlock }, /* advlock */
{ &vop_bwrite_desc, vop_generic_bwrite },
{ NULL, NULL }
};
struct vnodeopv_desc cd9660_vnodeop_opv_desc =
{ &cd9660_vnodeop_p, cd9660_vnodeop_entries };
/*
* Special device vnode ops
*/
int (**cd9660_specop_p)(void *);
struct vnodeopv_entry_desc cd9660_specop_entries[] = {
{ &vop_default_desc, spec_vnoperate },
{ &vop_access_desc, cd9660_access }, /* access */
{ &vop_getattr_desc, cd9660_getattr }, /* getattr */
{ &vop_setattr_desc, cd9660_setattr }, /* setattr */
{ &vop_inactive_desc, cd9660_inactive },/* inactive */
{ &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
{ &vop_lock_desc, cd9660_lock }, /* lock */
{ &vop_unlock_desc, cd9660_unlock }, /* unlock */
{ &vop_print_desc, cd9660_print }, /* print */
{ &vop_islocked_desc, cd9660_islocked },/* islocked */
{ NULL, NULL }
};
struct vnodeopv_desc cd9660_specop_opv_desc =
{ &cd9660_specop_p, cd9660_specop_entries };
#ifdef FIFO
int (**cd9660_fifoop_p)(void *);
struct vnodeopv_entry_desc cd9660_fifoop_entries[] = {
{ &vop_default_desc, fifo_vnoperate },
{ &vop_access_desc, cd9660_access }, /* access */
{ &vop_getattr_desc, cd9660_getattr }, /* getattr */
{ &vop_setattr_desc, cd9660_setattr }, /* setattr */
{ &vop_inactive_desc, cd9660_inactive },/* inactive */
{ &vop_reclaim_desc, cd9660_reclaim }, /* reclaim */
{ &vop_lock_desc, cd9660_lock }, /* lock */
{ &vop_unlock_desc, cd9660_unlock }, /* unlock */
{ &vop_print_desc, cd9660_print }, /* print */
{ &vop_islocked_desc, cd9660_islocked },/* islocked */
{ &vop_bwrite_desc, vop_generic_bwrite },
{ NULL, NULL }
};
struct vnodeopv_desc cd9660_fifoop_opv_desc =
{ &cd9660_fifoop_p, cd9660_fifoop_entries };
#endif /* FIFO */