173 lines
4.7 KiB
C
173 lines
4.7 KiB
C
/* $NetBSD: ops_xfs.c,v 1.1.1.7 2004/11/27 01:00:41 christos Exp $ */
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/*
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* Copyright (c) 1997-2004 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_xfs.c,v 1.19 2004/01/06 03:56:20 ezk Exp
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*
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*/
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/*
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* Irix UN*X file system: XFS (Extended 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 *xfs_match(am_opts *fo);
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static int xfs_mount(am_node *am, mntfs *mf);
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static int xfs_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 xfs_ops =
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{
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"xfs",
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xfs_match,
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0, /* xfs_init */
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xfs_mount,
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xfs_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, /* xfs_readlink */
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0, /* xfs_mounted */
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0, /* xfs_umounted */
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amfs_generic_find_srvr,
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0, /* xfs_get_wchan */
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FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
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#ifdef HAVE_FS_AUTOFS
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AUTOFS_XFS_FS_FLAGS,
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#endif /* HAVE_FS_AUTOFS */
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};
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/*
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* XFS needs local filesystem and device.
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*/
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static char *
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xfs_match(am_opts *fo)
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{
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if (!fo->opt_dev) {
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plog(XLOG_USER, "xfs: no device specified");
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return 0;
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}
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dlog("XFS: mounting device \"%s\" on \"%s\"", 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_xfs(char *mntdir, char *fs_name, char *opts, int on_autofs)
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{
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xfs_args_t xfs_args;
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mntent_t mnt;
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int flags;
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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_XFS;
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memset((voidp) &xfs_args, 0, sizeof(xfs_args)); /* Paranoid */
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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_XFS;
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mnt.mnt_opts = opts;
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flags = compute_mount_flags(&mnt);
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#ifdef HAVE_FS_AUTOFS
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if (on_autofs)
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flags |= autofs_compute_mount_flags(&mnt);
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#endif /* HAVE_FS_AUTOFS */
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#ifdef HAVE_XFS_ARGS_T_FLAGS
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xfs_args.flags = 0; /* XXX: fix this to correct flags */
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#endif /* HAVE_XFS_ARGS_T_FLAGS */
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#ifdef HAVE_XFS_ARGS_T_FSPEC
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xfs_args.fspec = fs_name;
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#endif /* HAVE_XFS_ARGS_T_FSPEC */
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/*
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* Call generic mount routine
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*/
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return mount_fs(&mnt, flags, (caddr_t) &xfs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs);
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}
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static int
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xfs_mount(am_node *am, mntfs *mf)
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{
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int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
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int error;
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error = mount_xfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs);
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if (error) {
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errno = error;
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plog(XLOG_ERROR, "mount_xfs: %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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xfs_umount(am_node *am, mntfs *mf)
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{
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int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
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return UMOUNT_FS(mf->mf_mount, mnttab_file_name, on_autofs);
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}
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