/* * Copyright (c) 1995 - 2000 Kungliga Tekniska H�gskolan * (Royal Institute of Technology, Stockholm, Sweden). * 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. * * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the Kungliga Tekniska * H�gskolan and its contributors. * * 4. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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. */ /* $Id: xfs_fs.h,v 1.5 2000/09/11 14:26:52 art Exp $ */ #ifndef _xfs_h #define _xfs_h #include <sys/types.h> #include <xfs/xfs_common.h> #include <xfs/xfs_node.h> #include <xfs/xfs_attr.h> #define NXFS 2 /* maximal number of filesystems on a single device */ /* * Filesystem struct. */ struct xfs { u_int status; /* Inited, opened or mounted */ #define XFS_MOUNTED 0x1 struct mount *mp; struct xfs_node *root; u_int nnodes; int fd; }; #ifdef __osf__ #ifdef HAVE_STRUCT_MOUNT_M_INFO #define VFS_TO_XFS(v) ((struct xfs *) ((v)->m_info)) #else #define VFS_TO_XFS(v) ((struct xfs *) ((v)->m_data)) #endif #else #define VFS_TO_XFS(v) ((struct xfs *) ((v)->mnt_data)) #endif #define XFS_TO_VFS(x) ((x)->mp) #define XFS_FROM_VNODE(vp) VFS_TO_XFS((vp)->v_mount) #define XFS_FROM_XNODE(xp) XFS_FROM_VNODE(XNODE_TO_VNODE(xp)) extern struct xfs xfs[]; extern struct vnodeops xfs_vnodeops; struct xfs_node *xfs_node_find(struct xfs *, struct xfs_handle *); int new_xfs_node(struct xfs *, struct xfs_msg_node *, struct xfs_node **, struct proc *); void free_xfs_node(struct xfs_node *); int free_all_xfs_nodes(struct xfs *, int, int); int xfs_dnlc_enter(struct vnode *, xfs_componentname *, struct vnode *); int xfs_dnlc_enter_name(struct vnode *, const char *, struct vnode *); void xfs_dnlc_purge_mp(struct mount *); void xfs_dnlc_purge(struct vnode *); int xfs_dnlc_lookup(struct vnode *, xfs_componentname *, struct vnode **); int xfs_dnlc_lookup_name(struct vnode *, const char *, struct vnode **); void vattr2xfs_attr(const struct vattr *, struct xfs_attr *); void xfs_attr2vattr(const struct xfs_attr *, struct vattr *); int xfs_has_pag(const struct xfs_node *, xfs_pag_t); #endif /* _xfs_h */