bsd/sys/vnode_internal.h

61  *	@(#)vnode.h	8.17 (Berkeley) 5/20/95
85 #include <sys/vnode.h>
106  * VFS Internal (private) trigger vnode resolver info.
135 struct vnode {
136 	lck_mtx_t v_lock;			/* vnode mutex */
137 	TAILQ_ENTRY(vnode) v_freelist;		/* vnode freelist */
138 	TAILQ_ENTRY(vnode) v_mntvnodes;		/* vnodes for mount point */
139         LIST_HEAD(, namecache) v_nclinks;	/* name cache entries that name this vnode */
143 	uint32_t v_flag;			/* vnode flags (see below) */
144 	uint16_t v_lflag;			/* vnode local and named ref flags */
150 	void *   v_owner;			/* act that owns the vnode */
151 	uint16_t v_type;			/* vnode type */
153 	uint32_t v_id;				/* identity of vnode contents */
163 	struct klist v_knotes;			/* knotes attached to this vnode */
174 	 * back to the vnode lock for protection
178 	const char *v_name;			/* name component of the vnode */
179 	vnode_t v_parent;			/* pointer to parent vnode */
189 	int 	(**v_op)(void *);		/* vnode operations vector */
196 	vnode_resolve_t v_resolve;		/* trigger vnode resolve info (VDIR only) */
219 #define VLIST_RAGE		  0x01		/* vnode is currently in the rapid age list */
220 #define VLIST_DEAD		  0x02		/* vnode is currently in the dead list */
221 #define VLIST_ASYNC_WORK	  0x04		/* vnode is currently on the deferred async work queue */
226 #define	VL_SUSPENDED 	0x0001		/* vnode is suspended */
227 #define	VL_DRAIN	0x0002		/* vnode is being drained */
228 #define	VL_TERMINATE	0x0004		/* vnode is in the process of being recycled */
230 #define	VL_DEAD		0x0010		/* vnode is dead, cleaned of filesystem-specific info */
231 #define	VL_MARKTERM	0x0020		/* vnode should be recycled when no longer referenced */
234 #define	VL_LABEL	0x0100		/* vnode is marked for labeling */
235 #define	VL_LABELWAIT	0x0200		/* vnode is marked for labeling */
236 #define	VL_LABELED	0x0400		/* vnode is labeled */
238 #define VL_HASSTREAMS	0x1000		/* vnode has had at least one associated named stream vnode (may not have one any longer) */
248 #define	VTEXT		0x000002	/* vnode is a pure text prototype */
249 #define	VSYSTEM		0x000004	/* vnode being used by kernel */
250 #define	VISTTY		0x000008	/* vnode represents a tty */
251 #define	VRAGE		0x000010	/* vnode is in rapid age state */
252 #define VBDEVVP		0x000020        /* vnode created by bdevvp */
253 #define VDEVFLUSH	0x000040        /* device vnode after vflush */
256 #define VSHARED_DYLD	0x000200	/* vnode is a dyld shared cache file */
258 #define	VSTANDARD	0x000800	/* vnode obtained from common pool */
259 #define	VAGE		0x001000	/* Insert vnode at head of free list */
261 #define	VNCACHEABLE	0x004000	/* vnode is allowed to be put back in name cache */
263 #define	VISSHADOW	0x008000	/* vnode is a shadow file */
265 #define	VSWAP		0x010000	/* vnode is being used as swapfile */
269 #define	VLOCKLOCAL	0x080000	/* this vnode does adv locking in vfs */
273 #define	VISNAMEDSTREAM	0x400000	/* vnode is a named stream (eg HFS resource fork) */
279  * Global vnode data.
281 extern	struct vnode *rootvnode;	/* root (i.e. "/") vnode */
285 extern	struct vnode *imgsrc_rootvnodes[];
312  * This structure describes the vnode operation taking place.
383 int 	bdevvp(dev_t dev, struct vnode **vpp);
385 void	vprint(const char *label, struct vnode *vp);
390 int 	vn_rdwr_64(enum uio_rw rw, struct vnode *vp, uint64_t base,
395 int	vn_setlabel (struct vnode *vp, struct label *intlabel,
398 void	fifo_printinfo(struct vnode *vp);
404 errno_t vn_rename(struct vnode *fdvp, struct vnode **fvpp, struct componentname *fcnp, struct vnode_attr *fvap,
405        	     struct vnode *tdvp, struct vnode **tvpp, struct componentname *tcnp, struct vnode_attr *tvap,
423 int 	vn_authorize_rename(struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp,
424        		struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp,
552 int 	vnode_hasnamedstreams(vnode_t); /* Does this vnode have associated named streams? */