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/*-
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
*
* $FreeBSD$
*/
#ifndef _OPENSOLARIS_SYS_VFS_H_
#define _OPENSOLARIS_SYS_VFS_H_
#include <sys/param.h>
#ifdef _KERNEL
#include <sys/mount.h>
#include <sys/vnode.h>
#define rootdir rootvnode
typedef struct mount vfs_t;
#define vfs_flag mnt_flag
#define vfs_data mnt_data
#define vfs_count mnt_ref
#define vfs_fsid mnt_stat.f_fsid
#define vfs_bsize mnt_stat.f_bsize
#define v_flag v_vflag
#define v_vfsp v_mount
#define VFS_RDONLY MNT_RDONLY
#define VFS_NOSETUID MNT_NOSUID
#define VFS_NOEXEC MNT_NOEXEC
#define VFS_HOLD(vfsp) do { \
MNT_ILOCK(vfsp); \
MNT_REF(vfsp); \
MNT_IUNLOCK(vfsp); \
} while (0)
#define VFS_RELE(vfsp) do { \
MNT_ILOCK(vfsp); \
MNT_REL(vfsp); \
MNT_IUNLOCK(vfsp); \
} while (0)
#define VROOT VV_ROOT
/*
* Structure defining a mount option for a filesystem.
* option names are found in mntent.h
*/
typedef struct mntopt {
char *mo_name; /* option name */
char **mo_cancel; /* list of options cancelled by this one */
char *mo_arg; /* argument string for this option */
int mo_flags; /* flags for this mount option */
void *mo_data; /* filesystem specific data */
} mntopt_t;
/*
* Flags that apply to mount options
*/
#define MO_SET 0x01 /* option is set */
#define MO_NODISPLAY 0x02 /* option not listed in mnttab */
#define MO_HASVALUE 0x04 /* option takes a value */
#define MO_IGNORE 0x08 /* option ignored by parser */
#define MO_DEFAULT MO_SET /* option is on by default */
#define MO_TAG 0x10 /* flags a tag set by user program */
#define MO_EMPTY 0x20 /* empty space in option table */
#define VFS_NOFORCEOPT 0x01 /* honor MO_IGNORE (don't set option) */
#define VFS_DISPLAY 0x02 /* Turn off MO_NODISPLAY bit for opt */
#define VFS_NODISPLAY 0x04 /* Turn on MO_NODISPLAY bit for opt */
#define VFS_CREATEOPT 0x08 /* Create the opt if it's not there */
/*
* Structure holding mount option strings for the mounted file system.
*/
typedef struct mntopts {
uint_t mo_count; /* number of entries in table */
mntopt_t *mo_list; /* list of mount options */
} mntopts_t;
void vfs_setmntopt(vfs_t *vfsp, const char *name, const char *arg,
int flags __unused);
void vfs_clearmntopt(vfs_t *vfsp, const char *name);
int vfs_optionisset(const vfs_t *vfsp, const char *opt, char **argp);
int traverse(vnode_t **cvpp, int lktype);
int domount(kthread_t *td, vnode_t *vp, const char *fstype, char *fspath,
char *fspec, int fsflags);
#endif /* _KERNEL */
#endif /* _OPENSOLARIS_SYS_VFS_H_ */
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