dev/vn/shadow.c

92     u_char *		block_bitmap;		/* 1 bit per block; 1=written */
463     n_blocks = bitmap_get(map->block_bitmap, block_offset, block_count,
525     bitmap_set(map->block_bitmap, block_offset, *incr_block_count);
540     return ((map->block_bitmap[b.byte] & bit(b.bit)) ? TRUE : FALSE);
568     void *		block_bitmap = NULL;
587     block_bitmap = my_malloc(bitmap_size);
588     if (block_bitmap == NULL) {
592     bzero(block_bitmap, bitmap_size);
608     map->block_bitmap = block_bitmap;
618     if (block_bitmap)
619 	my_free(block_bitmap);
633     if (map->block_bitmap)
634 	my_free(map->block_bitmap);
637     map->block_bitmap = NULL;