X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/2d21ac55c334faf3a56e5634905ed6987fc787d4..3e170ce000f1506b7b5d2c5c7faec85ceabb573d:/bsd/miscfs/union/union.h

diff --git a/bsd/miscfs/union/union.h b/bsd/miscfs/union/union.h
index 5411f538d..eee3e5a87 100644
--- a/bsd/miscfs/union/union.h
+++ b/bsd/miscfs/union/union.h
@@ -67,156 +67,5 @@
 #ifndef __UNION_UNION_H__
 #define __UNION_UNION_H__
 
-#include  <sys/appleapiopts.h>
-#include  <sys/cdefs.h>
-
-#ifdef __APPLE_API_PRIVATE
-struct union_args {
-	char		*target;	/* Target of loopback  */
-	int		mntflags;	/* Options on the mount */
-};
-
-#define UNMNT_ABOVE	0x0001		/* Target appears above mount point */
-#define UNMNT_BELOW	0x0002		/* Target appears below mount point */
-#define UNMNT_REPLACE	0x0003		/* Target replaces mount point */
-#ifdef FAULTFS
-#define UNMNT_FAULTIN	0x0004		/* get the files to TOT on lookup */
-#define UNMNT_OPMASK	0x0007
-#else
-#define UNMNT_OPMASK	0x0003
-#endif
-
-#ifdef BSD_KERNEL_PRIVATE
-
-struct union_mount {
-	struct vnode	*um_uppervp;	/* */
-	int		um_uppervid;	/* vid of upper vnode */
-	struct vnode	*um_lowervp;	/* Left unlocked */
-	int		um_lowervid;	/* vid of lower vnode */
-	kauth_cred_t	um_cred;	/* Credentials of user calling mount */
-	int		um_cmode;	/* cmask from mount process */
-	int		um_op;		/* Operation mode */
-	dev_t		um_upperdev;	/* Upper root node fsid[0]*/
-};
-
-
-#define  UNION_ABOVE(x) (x->um_op == UNMNT_ABOVE)
-#define  UNION_LOWER(x) (x->um_op == UNMNT_BELOW)
-#define  UNION_REPLACE(x) (x->um_op == UNMNT_REPLACE)
-#ifdef FAULTFS
-#define  UNION_FAULTIN(x) (x->um_op == UNMNT_FAULTIN)
-#else
-#define  UNION_FAULTIN(x) (0)
-
-#endif
-
-/* LP64 version of union_args.  all pointers 
- * grow when we're dealing with a 64-bit process.
- * WARNING - keep in sync with union_args
- */
-
-struct user_union_args {
-	user_addr_t	target;		/* Target of loopback  */
-	int			mntflags;	/* Options on the mount */
-	char		_pad[4];
-};
-
-/*
- * DEFDIRMODE is the mode bits used to create a shadow directory.
- */
-#define VRWXMODE (VREAD|VWRITE|VEXEC)
-#define VRWMODE (VREAD|VWRITE)
-#define UN_DIRMODE ((VRWXMODE)|(VRWXMODE>>3)|(VRWXMODE>>6))
-#define UN_FILEMODE ((VRWMODE)|(VRWMODE>>3)|(VRWMODE>>6))
-
-/*
- * A cache of vnode references
- */
-struct union_node {
-	LIST_ENTRY(union_node)	un_cache;	/* Hash chain */
-	struct vnode		*un_vnode;	/* Back pointer */
-
-	struct vnode	        *un_uppervp;	/* overlaying object */
-	int			un_uppervid;	/* vid of upper vnode */
-	off_t			un_uppersz;	/* size of upper object */
-
-	struct vnode	        *un_lowervp;	/* underlying object */
-	int			un_lowervid;	/* vid of upper vnode */
-	off_t			un_lowersz;	/* size of lower object */
-
-	struct vnode		*un_dirvp;	/* Parent dir of uppervp */
-	struct vnode		*un_pvp;	/* Parent vnode */
-
-	char			*un_path;	/* saved component name */
-	int			un_hash;	/* saved un_path hash value */
-	int			un_openl;	/* # of opens on lowervp */
-	int			un_exclcnt;	/* exclusive count */
-	unsigned int		un_flags;
-	mount_t			un_mount;
-	struct vnode		**un_dircache;	/* cached union stack */
-};
-
-#define UN_WANT		0x01		/* union node is needed */
-#define UN_LOCKED	0x02		/* union node is locked */
-#define UN_CACHED	0x04		/* In union cache */
-#define UN_TRANSIT	0x08		/* The union node is in creation */
-#define UN_DELETED	0x10		/* The union node is deleted  */
-#ifdef FAULTFS
-#define UN_FAULTFS	0x80		/* The union node is for faultfs */
-#endif
-#define UN_DIRENVN	0x100		/* The union node is created for dir enumeration */
-
-
-#ifdef FAULTFS
-#define  UNNODE_FAULTIN(x) ((x->un_flags & UN_FAULTFS)== UN_FAULTFS)
-#else
-#define  UNNODE_FAULTIN(x) (0)
-#endif
-/*
- * Hash table locking flags
- */
-
-#define UNVP_WANT	0x01
-#define UNVP_LOCKED	0x02
-
-#define	MOUNTTOUNIONMOUNT(mp) ((struct union_mount *)((mp)->mnt_data))
-#define	VTOUNION(vp) ((struct union_node *)(vp)->v_data)
-#define	UNIONTOV(un) ((un)->un_vnode)
-#define	LOWERVP(vp) (VTOUNION(vp)->un_lowervp)
-#define	UPPERVP(vp) (VTOUNION(vp)->un_uppervp)
-#define OTHERVP(vp) (UPPERVP(vp) ? UPPERVP(vp) : LOWERVP(vp))
-
-
-extern int union_allocvp(struct vnode **, struct mount *,
-				struct vnode *, struct vnode *,
-				struct componentname *, struct vnode *,
-				struct vnode *, int);
-extern int union_freevp(struct vnode *);
-extern struct vnode * union_dircache(struct vnode *, vfs_context_t);
-extern int union_copyfile(struct vnode *, struct vnode *,vfs_context_t );
-extern int union_copyup(struct union_node *, int, vfs_context_t );
-extern int union_dowhiteout(struct union_node *, vfs_context_t);
-extern int union_mkshadow(struct union_mount *, struct vnode *,
-				struct componentname *, struct vnode **);
-extern int union_mkwhiteout(struct union_mount *, struct vnode *,
-				struct componentname *, char *);
-extern int union_vn_create(struct vnode **, struct union_node *, mode_t  mode, vfs_context_t context);
-extern int union_cn_close(struct vnode *, int, vfs_context_t context);
-extern void union_removed_upper(struct union_node *un);
-extern struct vnode *union_lowervp(struct vnode *);
-extern void union_newsize(struct vnode *, off_t, off_t);
-extern int union_init(struct vfsconf *);
-extern void union_updatevp(struct union_node *, struct vnode *, struct vnode *);
-extern void union_dircache_free(struct union_node *);
-extern int (*union_dircheckp)(struct vnode **, struct fileproc *, vfs_context_t);
-extern int union_faultin_copyup(struct vnode ** uvpp, vnode_t udvp, vnode_t lvp, struct componentname * cnp, vfs_context_t context);
-extern int (**union_vnodeop_p)(void *);
-extern struct vfsops union_vfsops;
-void union_lock(void);
-void union_unlock(void);
-
-#endif /* BSD_KERNEL_PRIVATE */
-
-#endif /* __APPLE_API_PRIVATE */
 
 #endif /* __UNION_UNION_H__ */