fs/specfs/specsubr.c

80 	dev_t		dev,
88 	vp = specvp(realvp, dev, vtyp, cr);
97  * Return a shadow special vnode for the given dev.
98  * If no snode exists for this dev create one and put it
99  * in a table hashed by <dev, realvp>.  If the snode for
100  * this dev is already in the table return it (ref count is
111 	dev_t		dev,
129 	ASSERT(vp->v_rdev == dev);
146 	if ((sp = sfind(dev, type, vp)) == NULL) {
155 		sp->s_dev	= dev;
184 		svp->v_rdev	= dev;
187 			cvp = get_cvp(dev, type, csp, &used_csp);
209  * Return a special vnode for the given dev; no vnode is supplied
211  * table hashed by <dev, NULL>.  The snode will be flushed from the
217  * else is creating a snode for (dev, type) at this time.
220 makespecvp(dev_t dev, vtype_t type)
228 	cvp = commonvp(dev, type);
233 	sp->s_dev	= dev;
251 	svp->v_rdev	= dev;
404 specfind(dev_t dev, vtype_t type)
410 	st = stable[STABLEHASH(dev)];
412 		if (st->s_dev == dev) {
521  * Returns a special vnode for the given dev.  The vnode is the
529 	dev_t		dev,
538 	if ((sp = sfind(dev, type, NULL)) == NULL) {
545 		sp->s_dev	= dev;
562 		svp->v_rdev	= dev;
571  * Returns a special vnode for the given dev.  The vnode is the
576 commonvp(dev_t dev, vtype_t type)
585 	if ((sp = sfind(dev, type, NULL)) == NULL) {
591 		sp->s_dev	= dev;
608 		svp->v_rdev	= dev;
622  * These routines maintain a table of snodes hashed by dev so
623  * that the snode for an dev can be found if it already exists.
667  * Lookup an snode by <dev, type, vp>.
676 	dev_t	dev,
684 	st = stable[STABLEHASH(dev)];
687 		if (st->s_dev == dev && svp->v_type == type &&
796 	dev_t dev;
827 	if ((dev = getudev()) == -1)
828 		dev = 0;
829 	specdev = makedevice(dev, 0);
839 	dev_t dev;
842 	dev = sp->s_dev;
853 			error = dev_close(dev, flag, OTYP_CHR, cr);
864 		bflush(dev);
865 		binval(dev);
866 		error = dev_close(dev, flag, OTYP_BLK, cr);
1053 spec_size_invalidate(dev_t dev, vtype_t type)
1059 	if ((csp = sfind(dev, type, NULL)) != NULL) {