4.4BSD/usr/src/sys/ufs/lfs/lfs_vnops.c
/*
* Copyright (c) 1986, 1989, 1991, 1993
* 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.
*
* @(#)lfs_vnops.c 8.1 (Berkeley) 6/11/93
*/
#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 <vm/vm.h>
#include <miscfs/specfs/specdev.h>
#include <miscfs/fifofs/fifo.h>
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
#include <ufs/ufs/dir.h>
#include <ufs/ufs/ufsmount.h>
#include <ufs/ufs/ufs_extern.h>
#include <ufs/lfs/lfs.h>
#include <ufs/lfs/lfs_extern.h>
/* Global vfs data structures for lfs. */
int (**lfs_vnodeop_p)();
struct vnodeopv_entry_desc lfs_vnodeop_entries[] = {
{ &vop_default_desc, vn_default_error },
{ &vop_lookup_desc, ufs_lookup }, /* lookup */
{ &vop_create_desc, ufs_create }, /* create */
{ &vop_mknod_desc, ufs_mknod }, /* mknod */
{ &vop_open_desc, ufs_open }, /* open */
{ &vop_close_desc, lfs_close }, /* close */
{ &vop_access_desc, ufs_access }, /* access */
{ &vop_getattr_desc, lfs_getattr }, /* getattr */
{ &vop_setattr_desc, ufs_setattr }, /* setattr */
{ &vop_read_desc, lfs_read }, /* read */
{ &vop_write_desc, lfs_write }, /* write */
{ &vop_ioctl_desc, ufs_ioctl }, /* ioctl */
{ &vop_select_desc, ufs_select }, /* select */
{ &vop_mmap_desc, ufs_mmap }, /* mmap */
{ &vop_fsync_desc, lfs_fsync }, /* fsync */
{ &vop_seek_desc, ufs_seek }, /* seek */
{ &vop_remove_desc, ufs_remove }, /* remove */
{ &vop_link_desc, ufs_link }, /* link */
{ &vop_rename_desc, ufs_rename }, /* rename */
{ &vop_mkdir_desc, ufs_mkdir }, /* mkdir */
{ &vop_rmdir_desc, ufs_rmdir }, /* rmdir */
{ &vop_symlink_desc, ufs_symlink }, /* symlink */
{ &vop_readdir_desc, ufs_readdir }, /* readdir */
{ &vop_readlink_desc, ufs_readlink }, /* readlink */
{ &vop_abortop_desc, ufs_abortop }, /* abortop */
{ &vop_inactive_desc, ufs_inactive }, /* inactive */
{ &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
{ &vop_lock_desc, ufs_lock }, /* lock */
{ &vop_unlock_desc, ufs_unlock }, /* unlock */
{ &vop_bmap_desc, ufs_bmap }, /* bmap */
{ &vop_strategy_desc, ufs_strategy }, /* strategy */
{ &vop_print_desc, ufs_print }, /* print */
{ &vop_islocked_desc, ufs_islocked }, /* islocked */
{ &vop_pathconf_desc, ufs_pathconf }, /* pathconf */
{ &vop_advlock_desc, ufs_advlock }, /* advlock */
{ &vop_blkatoff_desc, lfs_blkatoff }, /* blkatoff */
{ &vop_valloc_desc, lfs_valloc }, /* valloc */
{ &vop_vfree_desc, lfs_vfree }, /* vfree */
{ &vop_truncate_desc, lfs_truncate }, /* truncate */
{ &vop_update_desc, lfs_update }, /* update */
{ &vop_bwrite_desc, lfs_bwrite }, /* bwrite */
{ (struct vnodeop_desc*)NULL, (int(*)())NULL }
};
struct vnodeopv_desc lfs_vnodeop_opv_desc =
{ &lfs_vnodeop_p, lfs_vnodeop_entries };
int (**lfs_specop_p)();
struct vnodeopv_entry_desc lfs_specop_entries[] = {
{ &vop_default_desc, vn_default_error },
{ &vop_lookup_desc, spec_lookup }, /* lookup */
{ &vop_create_desc, spec_create }, /* create */
{ &vop_mknod_desc, spec_mknod }, /* mknod */
{ &vop_open_desc, spec_open }, /* open */
{ &vop_close_desc, ufsspec_close }, /* close */
{ &vop_access_desc, ufs_access }, /* access */
{ &vop_getattr_desc, lfs_getattr }, /* getattr */
{ &vop_setattr_desc, ufs_setattr }, /* setattr */
{ &vop_read_desc, ufsspec_read }, /* read */
{ &vop_write_desc, ufsspec_write }, /* write */
{ &vop_ioctl_desc, spec_ioctl }, /* ioctl */
{ &vop_select_desc, spec_select }, /* select */
{ &vop_mmap_desc, spec_mmap }, /* mmap */
{ &vop_fsync_desc, spec_fsync }, /* fsync */
{ &vop_seek_desc, spec_seek }, /* seek */
{ &vop_remove_desc, spec_remove }, /* remove */
{ &vop_link_desc, spec_link }, /* link */
{ &vop_rename_desc, spec_rename }, /* rename */
{ &vop_mkdir_desc, spec_mkdir }, /* mkdir */
{ &vop_rmdir_desc, spec_rmdir }, /* rmdir */
{ &vop_symlink_desc, spec_symlink }, /* symlink */
{ &vop_readdir_desc, spec_readdir }, /* readdir */
{ &vop_readlink_desc, spec_readlink }, /* readlink */
{ &vop_abortop_desc, spec_abortop }, /* abortop */
{ &vop_inactive_desc, ufs_inactive }, /* inactive */
{ &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
{ &vop_lock_desc, ufs_lock }, /* lock */
{ &vop_unlock_desc, ufs_unlock }, /* unlock */
{ &vop_bmap_desc, spec_bmap }, /* bmap */
{ &vop_strategy_desc, spec_strategy }, /* strategy */
{ &vop_print_desc, ufs_print }, /* print */
{ &vop_islocked_desc, ufs_islocked }, /* islocked */
{ &vop_pathconf_desc, spec_pathconf }, /* pathconf */
{ &vop_advlock_desc, spec_advlock }, /* advlock */
{ &vop_blkatoff_desc, spec_blkatoff }, /* blkatoff */
{ &vop_valloc_desc, spec_valloc }, /* valloc */
{ &vop_vfree_desc, lfs_vfree }, /* vfree */
{ &vop_truncate_desc, spec_truncate }, /* truncate */
{ &vop_update_desc, lfs_update }, /* update */
{ &vop_bwrite_desc, lfs_bwrite }, /* bwrite */
{ (struct vnodeop_desc*)NULL, (int(*)())NULL }
};
struct vnodeopv_desc lfs_specop_opv_desc =
{ &lfs_specop_p, lfs_specop_entries };
#ifdef FIFO
int (**lfs_fifoop_p)();
struct vnodeopv_entry_desc lfs_fifoop_entries[] = {
{ &vop_default_desc, vn_default_error },
{ &vop_lookup_desc, fifo_lookup }, /* lookup */
{ &vop_create_desc, fifo_create }, /* create */
{ &vop_mknod_desc, fifo_mknod }, /* mknod */
{ &vop_open_desc, fifo_open }, /* open */
{ &vop_close_desc, ufsfifo_close }, /* close */
{ &vop_access_desc, ufs_access }, /* access */
{ &vop_getattr_desc, lfs_getattr }, /* getattr */
{ &vop_setattr_desc, ufs_setattr }, /* setattr */
{ &vop_read_desc, ufsfifo_read }, /* read */
{ &vop_write_desc, ufsfifo_write }, /* write */
{ &vop_ioctl_desc, fifo_ioctl }, /* ioctl */
{ &vop_select_desc, fifo_select }, /* select */
{ &vop_mmap_desc, fifo_mmap }, /* mmap */
{ &vop_fsync_desc, fifo_fsync }, /* fsync */
{ &vop_seek_desc, fifo_seek }, /* seek */
{ &vop_remove_desc, fifo_remove }, /* remove */
{ &vop_link_desc, fifo_link }, /* link */
{ &vop_rename_desc, fifo_rename }, /* rename */
{ &vop_mkdir_desc, fifo_mkdir }, /* mkdir */
{ &vop_rmdir_desc, fifo_rmdir }, /* rmdir */
{ &vop_symlink_desc, fifo_symlink }, /* symlink */
{ &vop_readdir_desc, fifo_readdir }, /* readdir */
{ &vop_readlink_desc, fifo_readlink }, /* readlink */
{ &vop_abortop_desc, fifo_abortop }, /* abortop */
{ &vop_inactive_desc, ufs_inactive }, /* inactive */
{ &vop_reclaim_desc, ufs_reclaim }, /* reclaim */
{ &vop_lock_desc, ufs_lock }, /* lock */
{ &vop_unlock_desc, ufs_unlock }, /* unlock */
{ &vop_bmap_desc, fifo_bmap }, /* bmap */
{ &vop_strategy_desc, fifo_strategy }, /* strategy */
{ &vop_print_desc, ufs_print }, /* print */
{ &vop_islocked_desc, ufs_islocked }, /* islocked */
{ &vop_pathconf_desc, fifo_pathconf }, /* pathconf */
{ &vop_advlock_desc, fifo_advlock }, /* advlock */
{ &vop_blkatoff_desc, fifo_blkatoff }, /* blkatoff */
{ &vop_valloc_desc, fifo_valloc }, /* valloc */
{ &vop_vfree_desc, lfs_vfree }, /* vfree */
{ &vop_truncate_desc, fifo_truncate }, /* truncate */
{ &vop_update_desc, lfs_update }, /* update */
{ &vop_bwrite_desc, lfs_bwrite }, /* bwrite */
{ (struct vnodeop_desc*)NULL, (int(*)())NULL }
};
struct vnodeopv_desc lfs_fifoop_opv_desc =
{ &lfs_fifoop_p, lfs_fifoop_entries };
#endif /* FIFO */
/*
* Vnode op for reading.
*/
/* ARGSUSED */
lfs_read(ap)
struct vop_read_args /* {
struct vnode *a_vp;
struct uio *a_uio;
int a_ioflag;
struct ucred *a_cred;
} */ *ap;
{
register struct vnode *vp = ap->a_vp;
register struct inode *ip = VTOI(vp);
register struct uio *uio = ap->a_uio;
register struct lfs *fs;
struct buf *bp;
daddr_t lbn, bn, rablock;
off_t diff;
int type, error = 0, size;
long n, on;
type = ip->i_mode & IFMT;
#ifdef DIAGNOSTIC
if (uio->uio_rw != UIO_READ)
panic("lfs_read mode");
if (type != IFDIR && type != IFREG && type != IFLNK)
panic("lfs_read type");
if (type == IFLNK && (int)ip->i_size < vp->v_mount->mnt_maxsymlinklen)
panic("read short symlink");
#endif
if (uio->uio_resid == 0)
return (0);
fs = ip->i_lfs;
if (uio->uio_offset < 0 ||
(u_quad_t)uio->uio_offset + uio->uio_resid > fs->lfs_maxfilesize)
return (EFBIG);
ip->i_flag |= IACC;
do {
lbn = lblkno(fs, uio->uio_offset);
on = blkoff(fs, uio->uio_offset);
n = min((unsigned)(fs->lfs_bsize - on), uio->uio_resid);
diff = ip->i_size - uio->uio_offset;
if (diff <= 0)
break;
if (diff < n)
n = diff;
size = blksize(fs);
lfs_check(vp, lbn);
error = cluster_read(vp, ip->i_size, lbn, size, NOCRED, &bp);
vp->v_lastr = lbn;
n = min(n, size - bp->b_resid);
if (error)
break;
error = uiomove(bp->b_un.b_addr + on, (int)n, uio);
if (type == IFREG &&
n + on == fs->lfs_bsize || uio->uio_offset == ip->i_size)
bp->b_flags |= B_AGE;
brelse(bp);
} while (error == 0 && uio->uio_resid > 0 && n != 0);
return (error);
}
/*
* Vnode op for writing.
*/
lfs_write(ap)
struct vop_write_args /* {
struct vnode *a_vp;
struct uio *a_uio;
int a_ioflag;
struct ucred *a_cred;
} */ *ap;
{
register struct vnode *vp = ap->a_vp;
register struct uio *uio = ap->a_uio;
struct proc *p = uio->uio_procp;
register struct inode *ip = VTOI(vp);
register struct lfs *fs;
register ioflag = ap->a_ioflag;
struct timeval tv;
struct buf *bp;
daddr_t lbn;
off_t osize;
int n, on, flags, newblock;
int size, resid, error = 0;
#ifdef DIAGNOSTIC
if (uio->uio_rw != UIO_WRITE)
panic("lfs_write mode");
#endif
switch (vp->v_type) {
case VREG:
if (ioflag & IO_APPEND)
uio->uio_offset = ip->i_size;
/* fall through */
case VLNK:
break;
case VDIR:
/* XXX This may not be correct for LFS. */
if ((ioflag & IO_SYNC) == 0)
panic("lfs_write nonsync dir write");
break;
default:
panic("lfs_write type");
}
if (uio->uio_offset < 0)
return (EINVAL);
if (uio->uio_resid == 0)
return (0);
/*
* Maybe this should be above the vnode op call, but so long as
* file servers have no limits, i don't think it matters
*/
if (vp->v_type == VREG && p &&
uio->uio_offset + uio->uio_resid >
p->p_rlimit[RLIMIT_FSIZE].rlim_cur) {
psignal(p, SIGXFSZ);
return (EFBIG);
}
resid = uio->uio_resid;
osize = ip->i_size;
fs = ip->i_lfs; /* LFS */
if (uio->uio_offset < 0 ||
(u_quad_t)uio->uio_offset + uio->uio_resid > fs->lfs_maxfilesize)
return (EFBIG);
do {
lbn = lblkno(fs, uio->uio_offset);
on = blkoff(fs, uio->uio_offset);
n = min((unsigned)(fs->lfs_bsize - on), uio->uio_resid);
lfs_check(vp, lbn);
if (error = lfs_balloc(vp, n, lbn, &bp))
break;
if (uio->uio_offset + n > ip->i_size) {
ip->i_size = uio->uio_offset + n;
vnode_pager_setsize(vp, (u_long)ip->i_size);
}
size = blksize(fs);
(void) vnode_pager_uncache(vp);
n = min(n, size - bp->b_resid);
error = uiomove(bp->b_un.b_addr + on, n, uio);
error = VOP_BWRITE(bp);
/* XXX Why is this in the loop? */
if (ap->a_cred && ap->a_cred->cr_uid != 0)
ip->i_mode &= ~(ISUID|ISGID);
} while (error == 0 && uio->uio_resid > 0 && n != 0);
if (error) {
if (ioflag & IO_UNIT) {
(void)VOP_TRUNCATE(vp, osize, ioflag & IO_SYNC,
ap->a_cred, uio->uio_procp);
uio->uio_offset -= resid - uio->uio_resid;
uio->uio_resid = resid;
}
}
/* TURN OFF SYNC FOR NOW
if (!error && (ioflag & IO_SYNC)) {
tv = time;
if (!(error = VOP_UPDATE(vp, &tv, &tv, 1)))
error = VOP_FSYNC(vp, ap->a_cred, MNT_WAIT,
uio->uio_procp);
}
*/
return (error);
}
/*
* Synch an open file.
*/
/* ARGSUSED */
lfs_fsync(ap)
struct vop_fsync_args /* {
struct vnode *a_vp;
struct ucred *a_cred;
int a_waitfor;
struct proc *a_p;
} */ *ap;
{
struct timeval tv;
tv = time;
return (VOP_UPDATE(ap->a_vp, &tv, &tv,
ap->a_waitfor == MNT_WAIT ? LFS_SYNC : 0));
}
/*
* These macros are used to bracket UFS directory ops, so that we can
* identify all the pages touched during directory ops which need to
* be ordered and flushed atomically, so that they may be recovered.
*/
#define SET_DIROP(fs) { \
if ((fs)->lfs_writer) \
tsleep(&(fs)->lfs_dirops, PRIBIO + 1, "lfs_dirop", 0); \
++(fs)->lfs_dirops; \
(fs)->lfs_doifile = 1; \
}
#define SET_ENDOP(fs) { \
--(fs)->lfs_dirops; \
if (!(fs)->lfs_dirops) \
wakeup(&(fs)->lfs_writer); \
}
#define MARK_VNODE(dvp) (dvp)->v_flag |= VDIROP
int
lfs_symlink(ap)
struct vop_symlink_args /* {
struct vnode *a_dvp;
struct vnode **a_vpp;
struct componentname *a_cnp;
struct vattr *a_vap;
char *a_target;
} */ *ap;
{
int ret;
SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
MARK_VNODE(ap->a_dvp);
ret = ufs_symlink(ap);
SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
return (ret);
}
int
lfs_mknod(ap)
struct vop_mknod_args /* {
struct vnode *a_dvp;
struct vnode **a_vpp;
struct componentname *a_cnp;
struct vattr *a_vap;
} */ *ap;
{
int ret;
SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
MARK_VNODE(ap->a_dvp);
ret = ufs_mknod(ap);
SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
return (ret);
}
int
lfs_create(ap)
struct vop_create_args /* {
struct vnode *a_dvp;
struct vnode **a_vpp;
struct componentname *a_cnp;
struct vattr *a_vap;
} */ *ap;
{
int ret;
SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
MARK_VNODE(ap->a_dvp);
ret = ufs_create(ap);
SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
return (ret);
}
int
lfs_mkdir(ap)
struct vop_mkdir_args /* {
struct vnode *a_dvp;
struct vnode **a_vpp;
struct componentname *a_cnp;
struct vattr *a_vap;
} */ *ap;
{
int ret;
SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
MARK_VNODE(ap->a_dvp);
ret = ufs_mkdir(ap);
SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
return (ret);
}
int
lfs_remove(ap)
struct vop_remove_args /* {
struct vnode *a_dvp;
struct vnode *a_vp;
struct componentname *a_cnp;
} */ *ap;
{
int ret;
SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
MARK_VNODE(ap->a_dvp);
MARK_VNODE(ap->a_vp);
ret = ufs_remove(ap);
SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
return (ret);
}
int
lfs_rmdir(ap)
struct vop_rmdir_args /* {
struct vnodeop_desc *a_desc;
struct vnode *a_dvp;
struct vnode *a_vp;
struct componentname *a_cnp;
} */ *ap;
{
int ret;
SET_DIROP(VTOI(ap->a_dvp)->i_lfs);
MARK_VNODE(ap->a_dvp);
MARK_VNODE(ap->a_vp);
ret = ufs_rmdir(ap);
SET_ENDOP(VTOI(ap->a_dvp)->i_lfs);
return (ret);
}
int
lfs_link(ap)
struct vop_link_args /* {
struct vnode *a_vp;
struct vnode *a_tdvp;
struct componentname *a_cnp;
} */ *ap;
{
int ret;
SET_DIROP(VTOI(ap->a_vp)->i_lfs);
MARK_VNODE(ap->a_vp);
ret = ufs_link(ap);
SET_ENDOP(VTOI(ap->a_vp)->i_lfs);
return (ret);
}
int
lfs_rename(ap)
struct vop_rename_args /* {
struct vnode *a_fdvp;
struct vnode *a_fvp;
struct componentname *a_fcnp;
struct vnode *a_tdvp;
struct vnode *a_tvp;
struct componentname *a_tcnp;
} */ *ap;
{
int ret;
SET_DIROP(VTOI(ap->a_fdvp)->i_lfs);
MARK_VNODE(ap->a_fdvp);
MARK_VNODE(ap->a_tdvp);
ret = ufs_rename(ap);
SET_ENDOP(VTOI(ap->a_fdvp)->i_lfs);
return (ret);
}
/* XXX hack to avoid calling ITIMES in getattr */
int
lfs_getattr(ap)
struct vop_getattr_args /* {
struct vnode *a_vp;
struct vattr *a_vap;
struct ucred *a_cred;
struct proc *a_p;
} */ *ap;
{
register struct vnode *vp = ap->a_vp;
register struct inode *ip = VTOI(vp);
register struct vattr *vap = ap->a_vap;
/*
* Copy from inode table
*/
vap->va_fsid = ip->i_dev;
vap->va_fileid = ip->i_number;
vap->va_mode = ip->i_mode & ~IFMT;
vap->va_nlink = ip->i_nlink;
vap->va_uid = ip->i_uid;
vap->va_gid = ip->i_gid;
vap->va_rdev = (dev_t)ip->i_rdev;
vap->va_size = ip->i_din.di_size;
vap->va_atime = ip->i_atime;
vap->va_mtime = ip->i_mtime;
vap->va_ctime = ip->i_ctime;
vap->va_flags = ip->i_flags;
vap->va_gen = ip->i_gen;
/* this doesn't belong here */
if (vp->v_type == VBLK)
vap->va_blocksize = BLKDEV_IOSIZE;
else if (vp->v_type == VCHR)
vap->va_blocksize = MAXBSIZE;
else
vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
vap->va_bytes = dbtob(ip->i_blocks);
vap->va_type = vp->v_type;
vap->va_filerev = ip->i_modrev;
return (0);
}
/*
* Close called
*
* XXX -- we were using ufs_close, but since it updates the
* times on the inode, we might need to bump the uinodes
* count.
*/
/* ARGSUSED */
int
lfs_close(ap)
struct vop_close_args /* {
struct vnode *a_vp;
int a_fflag;
struct ucred *a_cred;
struct proc *a_p;
} */ *ap;
{
register struct vnode *vp = ap->a_vp;
register struct inode *ip = VTOI(vp);
int mod;
if (vp->v_usecount > 1 && !(ip->i_flag & ILOCKED)) {
mod = ip->i_flag & IMOD;
ITIMES(ip, &time, &time);
if (!mod && ip->i_flag & IMOD)
ip->i_lfs->lfs_uinodes++;
}
return (0);
}