699 lines
17 KiB
C
699 lines
17 KiB
C
/*
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* Copyright (c) 1989, 1991 The Regents of the University of California.
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* All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)ufs_vfsops.c 7.56 (Berkeley) 6/28/91
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* $Id: ufs_vfsops.c,v 1.17 1994/05/18 10:21:49 cgd Exp $
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/namei.h>
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#include <sys/proc.h>
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#include <sys/kernel.h>
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#include <sys/vnode.h>
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#include <miscfs/specfs/specdev.h> /* XXX */
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#include <sys/mount.h>
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#include <sys/buf.h>
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#include <sys/file.h>
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#include <sys/dkbad.h> /* XXX */
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#include <sys/disklabel.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/malloc.h>
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#include <ufs/quota.h>
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#include <ufs/fs.h>
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#include <ufs/ufsmount.h>
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#include <ufs/inode.h>
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struct vfsops ufs_vfsops = {
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MOUNT_UFS,
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ufs_mount,
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ufs_start,
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ufs_unmount,
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ufs_root,
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ufs_quotactl,
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ufs_statfs,
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ufs_sync,
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ufs_fhtovp,
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ufs_vptofh,
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ufs_init
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};
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/*
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* Called by vfs_mountroot when ufs is going to be mounted as root.
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*
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* Name is updated by mount(8) after booting.
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*/
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#define ROOTNAME "root_device"
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ufs_mountroot()
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{
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register struct mount *mp;
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extern struct vnode *rootvp;
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struct proc *p = curproc; /* XXX */
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struct ufsmount *ump;
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register struct fs *fs;
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u_int size;
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int error;
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mp = (struct mount *)malloc((u_long)sizeof(struct mount),
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M_MOUNT, M_WAITOK);
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mp->mnt_op = &ufs_vfsops;
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mp->mnt_flag = MNT_RDONLY;
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mp->mnt_exroot = 0;
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LIST_INIT(&mp->mnt_vnodelist);
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error = mountfs(rootvp, mp, p);
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if (error) {
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free((caddr_t)mp, M_MOUNT);
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return (error);
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}
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if (error = vfs_lock(mp)) {
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(void)ufs_unmount(mp, 0, p);
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free((caddr_t)mp, M_MOUNT);
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return (error);
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}
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rootfs = mp;
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TAILQ_INSERT_TAIL(&mountlist, mp, mnt_list);
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mp->mnt_vnodecovered = NULLVP;
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ump = VFSTOUFS(mp);
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fs = ump->um_fs;
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bzero(fs->fs_fsmnt, sizeof(fs->fs_fsmnt));
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fs->fs_fsmnt[0] = '/';
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bcopy((caddr_t)fs->fs_fsmnt, (caddr_t)mp->mnt_stat.f_mntonname,
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MNAMELEN);
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(void) copystr(ROOTNAME, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
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&size);
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bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
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(void) ufs_statfs(mp, &mp->mnt_stat, p);
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vfs_unlock(mp);
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inittodr(fs->fs_time);
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return (0);
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}
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/*
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* VFS Operations.
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*
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* mount system call
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*/
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ufs_mount(mp, path, data, ndp, p)
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register struct mount *mp;
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char *path;
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caddr_t data;
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struct nameidata *ndp;
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struct proc *p;
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{
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struct vnode *devvp;
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struct ufs_args args;
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struct ufsmount *ump;
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register struct fs *fs;
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u_int size;
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int error;
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if (error = copyin(data, (caddr_t)&args, sizeof (struct ufs_args)))
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return (error);
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/*
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* If updating, check whether changing from read-only to
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* read/write; if there is no device name, that's all we do.
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*/
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if (mp->mnt_flag & MNT_UPDATE) {
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ump = VFSTOUFS(mp);
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fs = ump->um_fs;
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if (fs->fs_ronly && (mp->mnt_flag & MNT_RDONLY) == 0)
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fs->fs_ronly = 0;
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if (args.fspec == 0)
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return (0);
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}
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/*
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* Not an update, or updating the name: look up the name
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* and verify that it refers to a sensible block device.
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*/
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ndp->ni_nameiop = LOOKUP | FOLLOW;
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ndp->ni_segflg = UIO_USERSPACE;
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ndp->ni_dirp = args.fspec;
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if (error = namei(ndp, p))
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return (error);
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devvp = ndp->ni_vp;
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if (devvp->v_type != VBLK) {
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vrele(devvp);
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return (ENOTBLK);
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}
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if (major(devvp->v_rdev) >= nblkdev) {
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vrele(devvp);
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return (ENXIO);
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}
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if ((mp->mnt_flag & MNT_UPDATE) == 0)
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error = mountfs(devvp, mp, p);
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else {
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if (devvp != ump->um_devvp)
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error = EINVAL; /* needs translation */
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else
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vrele(devvp);
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}
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if (error) {
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vrele(devvp);
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return (error);
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}
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ump = VFSTOUFS(mp);
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fs = ump->um_fs;
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(void) copyinstr(path, fs->fs_fsmnt, sizeof(fs->fs_fsmnt) - 1, &size);
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bzero(fs->fs_fsmnt + size, sizeof(fs->fs_fsmnt) - size);
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bcopy((caddr_t)fs->fs_fsmnt, (caddr_t)mp->mnt_stat.f_mntonname,
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MNAMELEN);
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(void) copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1,
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&size);
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bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
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(void) ufs_statfs(mp, &mp->mnt_stat, p);
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return (0);
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}
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/*
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* Common code for mount and mountroot
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*/
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mountfs(devvp, mp, p)
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register struct vnode *devvp;
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struct mount *mp;
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struct proc *p;
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{
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register struct ufsmount *ump = (struct ufsmount *)0;
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struct buf *bp = NULL;
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register struct fs *fs;
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dev_t dev = devvp->v_rdev;
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struct partinfo dpart;
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caddr_t base, space;
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int havepart = 0, blks;
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int error, i, size;
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int needclose = 0;
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int ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
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extern struct vnode *rootvp;
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/*
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* Disallow multiple mounts of the same device.
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* Disallow mounting of a device that is currently in use
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* (except for root, which might share swap device for miniroot).
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* Flush out any old buffers remaining from a previous use.
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*/
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if (error = mountedon(devvp))
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return (error);
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if (vcount(devvp) > 1 && devvp != rootvp)
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return (EBUSY);
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vinvalbuf(devvp, 1);
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if (error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p))
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return (error);
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needclose = 1;
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if (VOP_IOCTL(devvp, DIOCGPART, (caddr_t)&dpart, FREAD, NOCRED, p) != 0)
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size = DEV_BSIZE;
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else {
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havepart = 1;
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size = dpart.disklab->d_secsize;
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}
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if (error = bread(devvp, SBOFF / size, SBSIZE, NOCRED, &bp))
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goto out;
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fs = (struct fs *)bp->b_data;
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if (fs->fs_magic != FS_MAGIC || fs->fs_bsize > MAXBSIZE ||
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fs->fs_bsize < sizeof(struct fs)) {
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error = EINVAL; /* XXX needs translation */
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goto out;
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}
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ump = (struct ufsmount *)malloc(sizeof *ump, M_UFSMNT, M_WAITOK);
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ump->um_fs = (struct fs *)malloc((u_long)fs->fs_sbsize, M_UFSMNT,
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M_WAITOK);
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bcopy((caddr_t)bp->b_un.b_addr, (caddr_t)ump->um_fs,
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(u_int)fs->fs_sbsize);
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if (fs->fs_sbsize < SBSIZE)
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bp->b_flags |= B_INVAL;
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brelse(bp);
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bp = NULL;
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fs = ump->um_fs;
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fs->fs_ronly = ronly;
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if (ronly == 0)
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fs->fs_fmod = 1;
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if (havepart) {
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dpart.part->p_fstype = FS_BSDFFS;
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dpart.part->p_fsize = fs->fs_fsize;
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dpart.part->p_frag = fs->fs_frag;
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dpart.part->p_cpg = fs->fs_cpg;
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}
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blks = howmany(fs->fs_cssize, fs->fs_fsize);
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base = space = (caddr_t)malloc((u_long)fs->fs_cssize, M_UFSMNT,
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M_WAITOK);
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for (i = 0; i < blks; i += fs->fs_frag) {
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size = fs->fs_bsize;
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if (i + fs->fs_frag > blks)
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size = (blks - i) * fs->fs_fsize;
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error = bread(devvp, fsbtodb(fs, fs->fs_csaddr + i), size,
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NOCRED, &bp);
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if (error) {
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free((caddr_t)base, M_UFSMNT);
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goto out;
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}
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bcopy((caddr_t)bp->b_un.b_addr, space, (u_int)size);
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fs->fs_csp[fragstoblks(fs, i)] = (struct csum *)space;
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space += size;
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brelse(bp);
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bp = NULL;
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}
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mp->mnt_data = (qaddr_t)ump;
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mp->mnt_stat.f_fsid.val[0] = (long)dev;
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mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_UFS);
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mp->mnt_flag |= MNT_LOCAL;
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ump->um_mountp = mp;
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ump->um_dev = dev;
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ump->um_devvp = devvp;
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for (i = 0; i < MAXQUOTAS; i++)
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ump->um_quotas[i] = NULLVP;
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devvp->v_specflags |= SI_MOUNTEDON;
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/* Sanity checks for old file systems. XXX */
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fs->fs_npsect = MAX(fs->fs_npsect, fs->fs_nsect); /* XXX */
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fs->fs_interleave = MAX(fs->fs_interleave, 1); /* XXX */
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if (fs->fs_postblformat == FS_42POSTBLFMT) /* XXX */
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fs->fs_nrpos = 8; /* XXX */
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return (0);
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out:
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if (bp)
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brelse(bp);
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if (needclose)
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(void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p);
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if (ump) {
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free((caddr_t)ump->um_fs, M_UFSMNT);
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free((caddr_t)ump, M_UFSMNT);
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mp->mnt_data = (qaddr_t)0;
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}
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return (error);
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}
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/*
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* Make a filesystem operational.
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* Nothing to do at the moment.
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*/
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/* ARGSUSED */
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ufs_start(mp, flags, p)
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struct mount *mp;
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int flags;
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struct proc *p;
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{
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return (0);
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}
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/*
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* unmount system call
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*/
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ufs_unmount(mp, mntflags, p)
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struct mount *mp;
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int mntflags;
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struct proc *p;
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{
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register struct ufsmount *ump;
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register struct fs *fs;
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int i, error, ronly, flags = 0;
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extern int doforce;
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if (mntflags & MNT_FORCE) {
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if (!doforce || mp == rootfs)
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return (EINVAL);
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flags |= FORCECLOSE;
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}
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mntflushbuf(mp, 0);
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if (mntinvalbuf(mp))
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return (EBUSY);
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ump = VFSTOUFS(mp);
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#ifdef QUOTA
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if (mp->mnt_flag & MNT_QUOTA) {
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if (error = vflush(mp, NULLVP, SKIPSYSTEM|flags))
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return (error);
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for (i = 0; i < MAXQUOTAS; i++) {
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if (ump->um_quotas[i] == NULLVP)
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continue;
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quotaoff(p, mp, i);
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}
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/*
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* Here we fall through to vflush again to ensure
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* that we have gotten rid of all the system vnodes.
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*/
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}
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#endif
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if (error = vflush(mp, NULLVP, flags))
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return (error);
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fs = ump->um_fs;
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ronly = !fs->fs_ronly;
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ump->um_devvp->v_specflags &= ~SI_MOUNTEDON;
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error = VOP_CLOSE(ump->um_devvp, ronly ? FREAD : FREAD|FWRITE,
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NOCRED, p);
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vrele(ump->um_devvp);
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free((caddr_t)fs->fs_csp[0], M_UFSMNT);
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free((caddr_t)fs, M_UFSMNT);
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free((caddr_t)ump, M_UFSMNT);
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mp->mnt_data = (qaddr_t)0;
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mp->mnt_flag &= ~MNT_LOCAL;
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return (error);
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}
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/*
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* Return root of a filesystem
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*/
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ufs_root(mp, vpp)
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struct mount *mp;
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struct vnode **vpp;
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{
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register struct inode *ip;
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struct inode *nip;
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struct vnode tvp;
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int error;
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tvp.v_mount = mp;
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ip = VTOI(&tvp);
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ip->i_vnode = &tvp;
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ip->i_dev = VFSTOUFS(mp)->um_dev;
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error = iget(ip, (ino_t)ROOTINO, &nip);
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if (error)
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return (error);
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*vpp = ITOV(nip);
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return (0);
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}
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/*
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* Do operations associated with quotas
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*/
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ufs_quotactl(mp, cmds, uid, arg, p)
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struct mount *mp;
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int cmds;
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uid_t uid;
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caddr_t arg;
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struct proc *p;
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{
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struct ufsmount *ump = VFSTOUFS(mp);
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int cmd, type, error;
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#ifndef QUOTA
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return (EOPNOTSUPP);
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#else
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if (uid == (uid_t) -1)
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uid = p->p_cred->p_ruid;
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cmd = cmds >> SUBCMDSHIFT;
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switch (cmd) {
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case Q_GETQUOTA:
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case Q_SYNC:
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if (uid == p->p_cred->p_ruid)
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break;
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/* fall through */
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default:
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if (error = suser(p->p_ucred, &p->p_acflag))
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return (error);
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}
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type = cmd & SUBCMDMASK;
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if ((u_int)type >= MAXQUOTAS)
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return (EINVAL);
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switch (cmd) {
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case Q_QUOTAON:
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return (quotaon(p, mp, type, arg));
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case Q_QUOTAOFF:
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if (vfs_busy(mp))
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return (0);
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error = quotaoff(p, mp, type);
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vfs_unbusy(mp);
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return (error);
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case Q_SETQUOTA:
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return (setquota(mp, uid, type, arg));
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case Q_SETUSE:
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return (setuse(mp, uid, type, arg));
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case Q_GETQUOTA:
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return (getquota(mp, uid, type, arg));
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case Q_SYNC:
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if (vfs_busy(mp))
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return (0);
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error = qsync(mp);
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vfs_unbusy(mp);
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return (error);
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default:
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return (EINVAL);
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}
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/* NOTREACHED */
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#endif
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}
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/*
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* Get file system statistics.
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*/
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ufs_statfs(mp, sbp, p)
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struct mount *mp;
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register struct statfs *sbp;
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struct proc *p;
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{
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register struct ufsmount *ump;
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register struct fs *fs;
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ump = VFSTOUFS(mp);
|
|
fs = ump->um_fs;
|
|
if (fs->fs_magic != FS_MAGIC)
|
|
panic("ufs_statfs");
|
|
#ifdef COMPAT_09
|
|
sbp->f_type = 1;
|
|
#else
|
|
sbp->f_type = 0;
|
|
#endif
|
|
sbp->f_bsize = fs->fs_fsize;
|
|
sbp->f_iosize = fs->fs_bsize;
|
|
sbp->f_blocks = fs->fs_dsize;
|
|
sbp->f_bfree = fs->fs_cstotal.cs_nbfree * fs->fs_frag +
|
|
fs->fs_cstotal.cs_nffree;
|
|
sbp->f_bavail = (fs->fs_dsize * (100 - fs->fs_minfree) / 100) -
|
|
(fs->fs_dsize - sbp->f_bfree);
|
|
sbp->f_files = fs->fs_ncg * fs->fs_ipg - ROOTINO;
|
|
sbp->f_ffree = fs->fs_cstotal.cs_nifree;
|
|
if (sbp != &mp->mnt_stat) {
|
|
bcopy((caddr_t)mp->mnt_stat.f_mntonname,
|
|
(caddr_t)&sbp->f_mntonname[0], MNAMELEN);
|
|
bcopy((caddr_t)mp->mnt_stat.f_mntfromname,
|
|
(caddr_t)&sbp->f_mntfromname[0], MNAMELEN);
|
|
}
|
|
strncpy(&sbp->f_fstypename[0], mp->mnt_op->vfs_name, MFSNAMELEN);
|
|
sbp->f_fstypename[MFSNAMELEN] = '\0';
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Go through the disk queues to initiate sandbagged IO;
|
|
* go through the inodes to write those that have been modified;
|
|
* initiate the writing of the super block if it has been modified.
|
|
*
|
|
* Note: we are always called with the filesystem marked `MPBUSY'.
|
|
*/
|
|
ufs_sync(mp, waitfor)
|
|
struct mount *mp;
|
|
int waitfor;
|
|
{
|
|
register struct vnode *vp;
|
|
register struct inode *ip;
|
|
register struct ufsmount *ump = VFSTOUFS(mp);
|
|
register struct fs *fs;
|
|
int error, allerror = 0;
|
|
|
|
fs = ump->um_fs;
|
|
/*
|
|
* Write back modified superblock.
|
|
* Consistency check that the superblock
|
|
* is still in the buffer cache.
|
|
*/
|
|
if (fs->fs_fmod != 0) {
|
|
if (fs->fs_ronly != 0) { /* XXX */
|
|
printf("fs = %s\n", fs->fs_fsmnt);
|
|
panic("update: rofs mod");
|
|
}
|
|
fs->fs_fmod = 0;
|
|
fs->fs_time = time.tv_sec;
|
|
allerror = sbupdate(ump, waitfor);
|
|
}
|
|
/*
|
|
* Write back each (modified) inode.
|
|
*/
|
|
loop:
|
|
for (vp = mp->mnt_vnodelist.lh_first; vp;
|
|
vp = vp->v_mntvnodes.le_next) {
|
|
/*
|
|
* If the vnode that we are about to sync is no longer
|
|
* associated with this mount point, start over.
|
|
*/
|
|
if (vp->v_mount != mp)
|
|
goto loop;
|
|
if (VOP_ISLOCKED(vp))
|
|
continue;
|
|
ip = VTOI(vp);
|
|
if ((ip->i_flag & (IMOD|IACC|IUPD|ICHG)) == 0 &&
|
|
vp->v_dirtyblkhd.lh_first == NULL)
|
|
continue;
|
|
if (vget(vp, 1))
|
|
goto loop;
|
|
if (vp->v_dirtyblkhd.lh_first != NULL)
|
|
vflushbuf(vp, 0);
|
|
if ((ip->i_flag & (IMOD|IACC|IUPD|ICHG)) &&
|
|
(error = iupdat(ip, (struct timeval *)&time,
|
|
(struct timeval *)&time, 0)))
|
|
allerror = error;
|
|
vput(vp);
|
|
}
|
|
/*
|
|
* Force stale file system control information to be flushed.
|
|
*/
|
|
vflushbuf(ump->um_devvp, waitfor == MNT_WAIT ? B_SYNC : 0);
|
|
#ifdef QUOTA
|
|
qsync(mp);
|
|
#endif
|
|
return (allerror);
|
|
}
|
|
|
|
/*
|
|
* Write a superblock and associated information back to disk.
|
|
*/
|
|
sbupdate(mp, waitfor)
|
|
struct ufsmount *mp;
|
|
int waitfor;
|
|
{
|
|
register struct fs *fs = mp->um_fs;
|
|
register struct buf *bp;
|
|
int blks;
|
|
caddr_t space;
|
|
int i, size, error = 0;
|
|
|
|
i = SBOFF >> (fs->fs_fshift - fs->fs_fsbtodb);
|
|
bp = getblk(mp->um_devvp, i, (int)fs->fs_sbsize, 0, 0);
|
|
bcopy((caddr_t)fs, bp->b_un.b_addr, (u_int)fs->fs_sbsize);
|
|
/* Restore compatibility to old file systems. XXX */
|
|
if (fs->fs_postblformat == FS_42POSTBLFMT) /* XXX */
|
|
((struct fs *)bp->b_data)->fs_nrpos = -1; /* XXX */
|
|
if (waitfor == MNT_WAIT)
|
|
error = bwrite(bp);
|
|
else
|
|
bawrite(bp);
|
|
blks = howmany(fs->fs_cssize, fs->fs_fsize);
|
|
space = (caddr_t)fs->fs_csp[0];
|
|
for (i = 0; i < blks; i += fs->fs_frag) {
|
|
size = fs->fs_bsize;
|
|
if (i + fs->fs_frag > blks)
|
|
size = (blks - i) * fs->fs_fsize;
|
|
bp = getblk(mp->um_devvp, fsbtodb(fs, fs->fs_csaddr + i), size,
|
|
0, 0);
|
|
bcopy(space, bp->b_un.b_addr, (u_int)size);
|
|
space += size;
|
|
if (waitfor == MNT_WAIT)
|
|
error = bwrite(bp);
|
|
else
|
|
bawrite(bp);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* File handle to vnode
|
|
*
|
|
* Have to be really careful about stale file handles:
|
|
* - check that the inode number is in range
|
|
* - call iget() to get the locked inode
|
|
* - check for an unallocated inode (i_mode == 0)
|
|
* - check that the generation number matches
|
|
*/
|
|
ufs_fhtovp(mp, fhp, vpp)
|
|
register struct mount *mp;
|
|
struct fid *fhp;
|
|
struct vnode **vpp;
|
|
{
|
|
register struct ufid *ufhp;
|
|
register struct fs *fs;
|
|
register struct inode *ip;
|
|
struct inode *nip;
|
|
struct vnode tvp;
|
|
int error;
|
|
|
|
ufhp = (struct ufid *)fhp;
|
|
fs = VFSTOUFS(mp)->um_fs;
|
|
if (ufhp->ufid_ino < ROOTINO ||
|
|
ufhp->ufid_ino >= fs->fs_ncg * fs->fs_ipg) {
|
|
*vpp = NULLVP;
|
|
return (EINVAL);
|
|
}
|
|
tvp.v_mount = mp;
|
|
ip = VTOI(&tvp);
|
|
ip->i_vnode = &tvp;
|
|
ip->i_dev = VFSTOUFS(mp)->um_dev;
|
|
if (error = iget(ip, ufhp->ufid_ino, &nip)) {
|
|
*vpp = NULLVP;
|
|
return (error);
|
|
}
|
|
ip = nip;
|
|
if (ip->i_mode == 0) {
|
|
iput(ip);
|
|
*vpp = NULLVP;
|
|
return (EINVAL);
|
|
}
|
|
if (ip->i_gen != ufhp->ufid_gen) {
|
|
iput(ip);
|
|
*vpp = NULLVP;
|
|
return (EINVAL);
|
|
}
|
|
*vpp = ITOV(ip);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Vnode pointer to File handle
|
|
*/
|
|
/* ARGSUSED */
|
|
ufs_vptofh(vp, fhp)
|
|
struct vnode *vp;
|
|
struct fid *fhp;
|
|
{
|
|
register struct inode *ip = VTOI(vp);
|
|
register struct ufid *ufhp;
|
|
|
|
ufhp = (struct ufid *)fhp;
|
|
ufhp->ufid_len = sizeof(struct ufid);
|
|
ufhp->ufid_ino = ip->i_number;
|
|
ufhp->ufid_gen = ip->i_gen;
|
|
return (0);
|
|
}
|