136 devfs_clone_bitmap_chk(struct devfs_bitmap *bitmap, int unit)  in devfs_clone_bitmap_chk()  argument
141 	chunk = unit / (sizeof(u_long) * 8);  in devfs_clone_bitmap_chk()
142 	unit -= chunk * (sizeof(u_long) * 8);  in devfs_clone_bitmap_chk()
149 	res = !((bitmap->bitmap[chunk]) & (1UL << unit));  in devfs_clone_bitmap_chk()
170 devfs_clone_bitmap_set(struct devfs_bitmap *bitmap, int unit)  in devfs_clone_bitmap_set()  argument
175 	chunk = unit / (sizeof(u_long) * 8);  in devfs_clone_bitmap_set()
176 	unit -= chunk * (sizeof(u_long) * 8);  in devfs_clone_bitmap_set()
181 	if (bitmap->bitmap[chunk] & (1UL << unit)) {  in devfs_clone_bitmap_set()
182 		bitmap->bitmap[chunk] &= ~(1UL << unit);  in devfs_clone_bitmap_set()
198 devfs_clone_bitmap_put(struct devfs_bitmap *bitmap, int unit)  in devfs_clone_bitmap_put()  argument
204 	chunk = unit / (sizeof(u_long) * 8);  in devfs_clone_bitmap_put()
205 	unit -= chunk * (sizeof(u_long) * 8);  in devfs_clone_bitmap_put()
209 		bitmap->bitmap[chunk] |= (1UL << unit);  in devfs_clone_bitmap_put()
223 	int unit;  in devfs_clone_bitmap_get()  local
226 	unit = devfs_clone_bitmap_fff(bitmap);  in devfs_clone_bitmap_get()
227 	if (limit > 0 && unit > limit) {  in devfs_clone_bitmap_get()
228 		unit = -1;  in devfs_clone_bitmap_get()
230 		devfs_clone_bitmap_set(bitmap, unit);  in devfs_clone_bitmap_get()
234 	return unit;  in devfs_clone_bitmap_get()