228 lines
7.0 KiB
C
228 lines
7.0 KiB
C
/* $NetBSD: ops_cdfs.c,v 1.1.1.6 2003/03/09 01:13:15 christos Exp $ */
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/*
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* Copyright (c) 1997-2003 Erez Zadok
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* Copyright (c) 1990 Jan-Simon Pendry
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* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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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 acknowledgment:
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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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*
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* Id: ops_cdfs.c,v 1.19 2002/12/27 22:43:51 ezk Exp
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*
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*/
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/*
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* High Sierra (CD-ROM) file system
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <am_defs.h>
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#include <amd.h>
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/* forward declarations */
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static char *cdfs_match(am_opts *fo);
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static int cdfs_mount(am_node *am, mntfs *mf);
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static int cdfs_umount(am_node *am, mntfs *mf);
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/*
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* Ops structure
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*/
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am_ops cdfs_ops =
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{
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"cdfs",
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cdfs_match,
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0, /* cdfs_init */
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cdfs_mount,
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cdfs_umount,
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amfs_error_lookup_child,
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amfs_error_mount_child,
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amfs_error_readdir,
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0, /* cdfs_readlink */
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0, /* cdfs_mounted */
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0, /* cdfs_umounted */
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find_amfs_auto_srvr,
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FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
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#ifdef HAVE_FS_AUTOFS
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AUTOFS_CDFS_FS_FLAGS,
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#endif /* HAVE_FS_AUTOFS */
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};
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/*
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* CDFS needs remote filesystem.
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*/
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static char *
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cdfs_match(am_opts *fo)
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{
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if (!fo->opt_dev) {
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plog(XLOG_USER, "cdfs: no source device specified");
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return 0;
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}
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dlog("CDFS: mounting device \"%s\" on \"%s\"",
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fo->opt_dev, fo->opt_fs);
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/*
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* Determine magic cookie to put in mtab
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*/
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return strdup(fo->opt_dev);
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}
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static int
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mount_cdfs(char *mntdir, char *real_mntdir, char *fs_name, char *opts, int on_autofs, char **lpname)
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{
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cdfs_args_t cdfs_args;
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mntent_t mnt;
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int genflags, cdfs_flags, retval;
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/*
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* Figure out the name of the file system type.
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*/
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MTYPE_TYPE type = MOUNT_TYPE_CDFS;
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memset((voidp) &cdfs_args, 0, sizeof(cdfs_args)); /* Paranoid */
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cdfs_flags = 0;
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/*
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* Fill in the mount structure
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*/
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memset((voidp) &mnt, 0, sizeof(mnt));
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mnt.mnt_dir = mntdir;
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mnt.mnt_fsname = fs_name;
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mnt.mnt_type = MNTTAB_TYPE_CDFS;
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mnt.mnt_opts = opts;
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#if defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM)
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if (amu_hasmntopt(&mnt, MNTTAB_OPT_DEFPERM))
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# ifdef MNT2_CDFS_OPT_DEFPERM
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cdfs_flags |= MNT2_CDFS_OPT_DEFPERM;
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# else /* not MNT2_CDFS_OPT_DEFPERM */
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cdfs_flags &= ~MNT2_CDFS_OPT_NODEFPERM;
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# endif /* not MNT2_CDFS_OPT_DEFPERM */
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#endif /* defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM) */
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#if defined(MNT2_CDFS_OPT_NODEFPERM) && defined(MNTTAB_OPT_NODEFPERM)
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if (amu_hasmntopt(&mnt, MNTTAB_OPT_NODEFPERM))
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cdfs_flags |= MNT2_CDFS_OPT_NODEFPERM;
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#endif /* MNTTAB_OPT_NODEFPERM */
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#if defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION)
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if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOVERSION))
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cdfs_flags |= MNT2_CDFS_OPT_NOVERSION;
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#endif /* defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION) */
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#if defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP)
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if (amu_hasmntopt(&mnt, MNTTAB_OPT_RRIP))
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cdfs_flags |= MNT2_CDFS_OPT_RRIP;
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#endif /* defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP) */
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#if defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP)
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if (amu_hasmntopt(&mnt, MNTTAB_OPT_NORRIP))
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cdfs_flags |= MNT2_CDFS_OPT_NORRIP;
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#endif /* defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP) */
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#if defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS)
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if (amu_hasmntopt(&mnt, MNTTAB_OPT_GENS))
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cdfs_flags |= MNT2_CDFS_OPT_GENS;
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#endif /* defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS) */
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#if defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT)
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if (amu_hasmntopt(&mnt, MNTTAB_OPT_EXTATT))
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cdfs_flags |= MNT2_CDFS_OPT_EXTATT;
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#endif /* defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT) */
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genflags = compute_mount_flags(&mnt);
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#ifdef HAVE_FS_AUTOFS
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if (on_autofs)
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genflags |= autofs_compute_mount_flags(&mnt);
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#endif /* HAVE_FS_AUTOFS */
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#ifdef HAVE_CDFS_ARGS_T_FLAGS
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cdfs_args.flags = cdfs_flags;
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#endif /* HAVE_CDFS_ARGS_T_FLAGS */
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#ifdef HAVE_CDFS_ARGS_T_ISO_FLAGS
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cdfs_args.iso_flags = genflags | cdfs_flags;
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#endif /* HAVE_CDFS_ARGS_T_ISO_FLAGS */
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#ifdef HAVE_CDFS_ARGS_T_ISO_PGTHRESH
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cdfs_args.iso_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH);
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#endif /* HAVE_CDFS_ARGS_T_ISO_PGTHRESH */
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#ifdef HAVE_CDFS_ARGS_T_NORRIP
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/* XXX: need to provide norrip mount opt */
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cdfs_args.norrip = 0; /* use Rock-Ridge Protocol extensions */
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#endif /* HAVE_CDFS_ARGS_T_NORRIP */
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#ifdef HAVE_CDFS_ARGS_T_SSECTOR
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/* XXX: need to provide ssector mount option */
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cdfs_args.ssector = 0; /* use 1st session on disk */
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#endif /* HAVE_CDFS_ARGS_T_SSECTOR */
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#ifdef HAVE_CDFS_ARGS_T_FSPEC
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cdfs_args.fspec = fs_name;
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#endif /* HAVE_CDFS_ARGS_T_FSPEC */
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/*
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* Call generic mount routine
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*/
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retval = mount_fs2(&mnt, real_mntdir, genflags, (caddr_t) &cdfs_args, 0, type, 0, NULL, mnttab_file_name);
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return retval;
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}
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static int
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cdfs_mount(am_node *am, mntfs *mf)
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{
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int error;
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error = mount_cdfs(mf->mf_mount, mf->mf_real_mount, mf->mf_info, mf->mf_mopts,
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am->am_flags & AMF_AUTOFS, &mf->mf_loopdev);
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if (error) {
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errno = error;
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plog(XLOG_ERROR, "mount_cdfs: %m");
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return error;
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}
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return 0;
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}
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static int
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cdfs_umount(am_node *am, mntfs *mf)
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{
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return UMOUNT_FS(mf->mf_mount, mf->mf_real_mount, mnttab_file_name);
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}
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