patch-2.4.27 linux-2.4.27/fs/xfs/linux/xfs_vfs.h

• Lines: 209
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.26/fs/xfs/linux/xfs_vfs.h
• Orig date: 2004-02-18 05:36:32.000000000 -0800

diff -urN linux-2.4.26/fs/xfs/linux/xfs_vfs.h linux-2.4.27/fs/xfs/linux/xfs_vfs.h
@@ -1,208 +0,0 @@
-/*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like.  Any license provided herein, whether implied or
- * otherwise, applies only to this software file.  Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA  94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
- */
-#ifndef __XFS_VFS_H__
-#define __XFS_VFS_H__
-
-#include <linux/vfs.h>
-#include "xfs_fs.h"
-
-struct fid;
-struct cred;
-struct vnode;
-struct statfs;
-struct seq_file;
-struct super_block;
-struct xfs_mount_args;
-
-typedef struct statfs xfs_statfs_t;
-
-typedef struct vfs {
-	u_int			vfs_flag;	/* flags */
-	xfs_fsid_t		vfs_fsid;	/* file system ID */
-	xfs_fsid_t		*vfs_altfsid;	/* An ID fixed for life of FS */
-	bhv_head_t		vfs_bh;		/* head of vfs behavior chain */
-	struct super_block	*vfs_super;	/* Linux superblock structure */
-	struct task_struct	*vfs_sync_task;
-	wait_queue_head_t	vfs_wait_sync_task;
-} vfs_t;
-
-#define vfs_fbhv		vfs_bh.bh_first	/* 1st on vfs behavior chain */
-
-#define bhvtovfs(bdp)		( (struct vfs *)BHV_VOBJ(bdp) )
-#define bhvtovfsops(bdp)	( (struct vfsops *)BHV_OPS(bdp) )
-#define VFS_BHVHEAD(vfs)	( &(vfs)->vfs_bh )
-#define VFS_REMOVEBHV(vfs, bdp)	( bhv_remove(VFS_BHVHEAD(vfs), bdp) )
-
-#define VFS_POSITION_BASE	BHV_POSITION_BASE	/* chain bottom */
-#define VFS_POSITION_TOP	BHV_POSITION_TOP	/* chain top */
-#define VFS_POSITION_INVALID	BHV_POSITION_INVALID	/* invalid pos. num */
-
-typedef enum {
-	VFS_BHV_UNKNOWN,	/* not specified */
-	VFS_BHV_XFS,		/* xfs */
-	VFS_BHV_DM,		/* data migration */
-	VFS_BHV_QM,		/* quota manager */
-	VFS_BHV_IO,		/* IO path */
-	VFS_BHV_END		/* housekeeping end-of-range */
-} vfs_bhv_t;
-
-#define VFS_POSITION_XFS	(BHV_POSITION_BASE)
-#define VFS_POSITION_DM		(VFS_POSITION_BASE+10)
-#define VFS_POSITION_QM		(VFS_POSITION_BASE+20)
-#define VFS_POSITION_IO		(VFS_POSITION_BASE+30)
-
-#define VFS_RDONLY		0x0001	/* read-only vfs */
-#define VFS_GRPID		0x0002	/* group-ID assigned from directory */
-#define VFS_DMI			0x0004	/* filesystem has the DMI enabled */
-#define VFS_UMOUNT		0x0008	/* unmount in progress */
-#define VFS_END			0x0008	/* max flag */
-
-#define SYNC_ATTR		0x0001	/* sync attributes */
-#define SYNC_CLOSE		0x0002	/* close file system down */
-#define SYNC_DELWRI		0x0004	/* look at delayed writes */
-#define SYNC_WAIT		0x0008	/* wait for i/o to complete */
-#define SYNC_BDFLUSH		0x0010	/* BDFLUSH is calling -- don't block */
-#define SYNC_FSDATA		0x0020	/* flush fs data (e.g. superblocks) */
-#define SYNC_REFCACHE		0x0040  /* prune some of the nfs ref cache */
-#define SYNC_REMOUNT		0x0080  /* remount readonly, no dummy LRs */
-
-#define IGET_NOALLOC		0x0001	/* vfs_get_inode may return NULL */
-
-typedef int	(*vfs_mount_t)(bhv_desc_t *,
-				struct xfs_mount_args *, struct cred *);
-typedef int	(*vfs_parseargs_t)(bhv_desc_t *, char *,
-				struct xfs_mount_args *, int);
-typedef	int	(*vfs_showargs_t)(bhv_desc_t *, struct seq_file *);
-typedef int	(*vfs_unmount_t)(bhv_desc_t *, int, struct cred *);
-typedef int	(*vfs_mntupdate_t)(bhv_desc_t *, int *,
-				struct xfs_mount_args *);
-typedef int	(*vfs_root_t)(bhv_desc_t *, struct vnode **);
-typedef int	(*vfs_statvfs_t)(bhv_desc_t *, xfs_statfs_t *, struct vnode *);
-typedef int	(*vfs_sync_t)(bhv_desc_t *, int, struct cred *);
-typedef int	(*vfs_vget_t)(bhv_desc_t *, struct vnode **, struct fid *);
-typedef int	(*vfs_dmapiops_t)(bhv_desc_t *, caddr_t);
-typedef int	(*vfs_quotactl_t)(bhv_desc_t *, int, int, caddr_t);
-typedef void	(*vfs_init_vnode_t)(bhv_desc_t *,
-				struct vnode *, bhv_desc_t *, int);
-typedef void	(*vfs_force_shutdown_t)(bhv_desc_t *, int, char *, int);
-typedef	struct inode * (*vfs_get_inode_t)(bhv_desc_t *, xfs_ino_t, int);
-
-typedef struct vfsops {
-	bhv_position_t		vf_position;	/* behavior chain position */
-	vfs_mount_t		vfs_mount;	/* mount file system */
-	vfs_parseargs_t		vfs_parseargs;	/* parse mount options */
-	vfs_showargs_t		vfs_showargs;	/* unparse mount options */
-	vfs_unmount_t		vfs_unmount;	/* unmount file system */
-	vfs_mntupdate_t		vfs_mntupdate;	/* update file system options */
-	vfs_root_t		vfs_root;	/* get root vnode */
-	vfs_statvfs_t		vfs_statvfs;	/* file system statistics */
-	vfs_sync_t		vfs_sync;	/* flush files */
-	vfs_vget_t		vfs_vget;	/* get vnode from fid */
-	vfs_dmapiops_t		vfs_dmapiops;	/* data migration */
-	vfs_quotactl_t		vfs_quotactl;	/* disk quota */
-	vfs_get_inode_t		vfs_get_inode;	/* bhv specific iget */
-	vfs_init_vnode_t	vfs_init_vnode;	/* initialize a new vnode */
-	vfs_force_shutdown_t	vfs_force_shutdown;	/* crash and burn */
-} vfsops_t;
-
-/*
- * VFS's.  Operates on vfs structure pointers (starts at bhv head).
- */
-#define VHEAD(v)			((v)->vfs_fbhv)
-#define VFS_MOUNT(v, ma,cr, rv)		((rv) = vfs_mount(VHEAD(v), ma,cr))
-#define VFS_PARSEARGS(v, o,ma,f, rv)	((rv) = vfs_parseargs(VHEAD(v), o,ma,f))
-#define VFS_SHOWARGS(v, m, rv)		((rv) = vfs_showargs(VHEAD(v), m))
-#define VFS_UNMOUNT(v, f, cr, rv)	((rv) = vfs_unmount(VHEAD(v), f,cr))
-#define VFS_MNTUPDATE(v, fl, args, rv)	((rv) = vfs_mntupdate(VHEAD(v), fl, args))
-#define VFS_ROOT(v, vpp, rv)		((rv) = vfs_root(VHEAD(v), vpp))
-#define VFS_STATVFS(v, sp,vp, rv)	((rv) = vfs_statvfs(VHEAD(v), sp,vp))
-#define VFS_SYNC(v, flag,cr, rv)	((rv) = vfs_sync(VHEAD(v), flag,cr))
-#define VFS_VGET(v, vpp,fidp, rv)	((rv) = vfs_vget(VHEAD(v), vpp,fidp))
-#define VFS_DMAPIOPS(v, p, rv)		((rv) = vfs_dmapiops(VHEAD(v), p))
-#define VFS_QUOTACTL(v, c,id,p, rv)	((rv) = vfs_quotactl(VHEAD(v), c,id,p))
-#define VFS_GET_INODE(v, ino, fl)	( vfs_get_inode(VHEAD(v), ino,fl) )
-#define VFS_INIT_VNODE(v, vp,b,ul)	( vfs_init_vnode(VHEAD(v), vp,b,ul) )
-#define VFS_FORCE_SHUTDOWN(v, fl,f,l)	( vfs_force_shutdown(VHEAD(v), fl,f,l) )
-
-/*
- * PVFS's.  Operates on behavior descriptor pointers.
- */
-#define PVFS_MOUNT(b, ma,cr, rv)	((rv) = vfs_mount(b, ma,cr))
-#define PVFS_PARSEARGS(b, o,ma,f, rv)	((rv) = vfs_parseargs(b, o,ma,f))
-#define PVFS_SHOWARGS(b, m, rv)		((rv) = vfs_showargs(b, m))
-#define PVFS_UNMOUNT(b, f,cr, rv)	((rv) = vfs_unmount(b, f,cr))
-#define PVFS_MNTUPDATE(b, fl, args, rv)	((rv) = vfs_mntupdate(b, fl, args))
-#define PVFS_ROOT(b, vpp, rv)		((rv) = vfs_root(b, vpp))
-#define PVFS_STATVFS(b, sp,vp, rv)	((rv) = vfs_statvfs(b, sp,vp))
-#define PVFS_SYNC(b, flag,cr, rv)	((rv) = vfs_sync(b, flag,cr))
-#define PVFS_VGET(b, vpp,fidp, rv)	((rv) = vfs_vget(b, vpp,fidp))
-#define PVFS_DMAPIOPS(b, p, rv)		((rv) = vfs_dmapiops(b, p))
-#define PVFS_QUOTACTL(b, c,id,p, rv)	((rv) = vfs_quotactl(b, c,id,p))
-#define PVFS_GET_INODE(b, ino,fl)	( vfs_get_inode(b, ino,fl) )
-#define PVFS_INIT_VNODE(b, vp,b2,ul)	( vfs_init_vnode(b, vp,b2,ul) )
-#define PVFS_FORCE_SHUTDOWN(b, fl,f,l)	( vfs_force_shutdown(b, fl,f,l) )
-
-extern int vfs_mount(bhv_desc_t *, struct xfs_mount_args *, struct cred *);
-extern int vfs_parseargs(bhv_desc_t *, char *, struct xfs_mount_args *, int);
-extern int vfs_showargs(bhv_desc_t *, struct seq_file *);
-extern int vfs_unmount(bhv_desc_t *, int, struct cred *);
-extern int vfs_mntupdate(bhv_desc_t *, int *, struct xfs_mount_args *);
-extern int vfs_root(bhv_desc_t *, struct vnode **);
-extern int vfs_statvfs(bhv_desc_t *, xfs_statfs_t *, struct vnode *);
-extern int vfs_sync(bhv_desc_t *, int, struct cred *);
-extern int vfs_vget(bhv_desc_t *, struct vnode **, struct fid *);
-extern int vfs_dmapiops(bhv_desc_t *, caddr_t);
-extern int vfs_quotactl(bhv_desc_t *, int, int, caddr_t);
-extern struct inode *vfs_get_inode(bhv_desc_t *, xfs_ino_t, int);
-extern void vfs_init_vnode(bhv_desc_t *, struct vnode *, bhv_desc_t *, int);
-extern void vfs_force_shutdown(bhv_desc_t *, int, char *, int);
-
-typedef struct bhv_vfsops {
-	struct vfsops		bhv_common;
-	void *			bhv_custom;
-} bhv_vfsops_t;
-
-#define vfs_bhv_lookup(v, id)	( bhv_lookup_range(&(v)->vfs_bh, (id), (id)) )
-#define vfs_bhv_custom(b)	( ((bhv_vfsops_t *)BHV_OPS(b))->bhv_custom )
-#define vfs_bhv_set_custom(b,o)	( (b)->bhv_custom = (void *)(o))
-#define vfs_bhv_clr_custom(b)	( (b)->bhv_custom = NULL )
-
-extern vfs_t *vfs_allocate(void);
-extern void vfs_deallocate(vfs_t *);
-extern void vfs_insertops(vfs_t *, bhv_vfsops_t *);
-extern void vfs_insertbhv(vfs_t *, bhv_desc_t *, vfsops_t *, void *);
-
-extern void bhv_insert_all_vfsops(struct vfs *);
-extern void bhv_remove_all_vfsops(struct vfs *, int);
-extern void bhv_remove_vfsops(struct vfs *, int);
-
-#endif	/* __XFS_VFS_H__ */