freebsd-dev/sys/gnu/fs/xfs/FreeBSD/xfs_mountops.h
Craig Rodrigues 93d9c69ff4 Initial import of read-only support for SGI's XFS filesystem.
Contributed by:		XFS for FreeBSD project
2005-12-12 01:04:32 +00:00

60 lines
2.1 KiB
C

/*-
* Copyright (c) 2001 Alexander Kabaev
* 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 AUTHOR 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 AUTHOR 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 _XFS_XFS_H_
#define _XFS_XFS_H_
#define XFSFS_VMAJOR 0
#define XFS_VMINOR 1
#define XFS_VERSION ((XFS_VMAJOR << 16) | XFS_VMINOR)
#define XFS_NAME "xfs"
#ifdef _KERNEL
struct xfsmount {
struct xfs_mount_args m_args; /* Mount parameters */
struct mount * m_mp; /* Back pointer */
xfs_vfs_t m_vfs; /* SHOULD BE FIRST */
};
#define XFSTOMNT(xmp) ((xmp)->m_mp)
#define XFSTOVFS(xmp) (&(xmp)->m_vfs)
#define MNTTOXFS(mp) ((struct xfsmount *)((mp)->mnt_data))
#define MNTTOVFS(mp) XFSTOVFS(MNTTOXFS(mp))
#define VFSTOMNT(vfsp) (vfsp)->vfs_mp
#define VFSTOXFS(vfsp) MNTTOXFS(VFSTOMNT(vfsp))
struct xfsmount *xfsmount_allocate(struct mount *mp);
void xfsmount_deallocate(struct xfsmount *xmp);
#endif /* _KERNEL */
#endif /* _XFS_XFS_H*/