bsd/vfs/vfs_bio.c

789 		io_bp->b_shadow = bp->b_shadow;
790 		bp->b_shadow = io_bp;
848 	for (t_bp = bp->b_shadow; t_bp; t_bp = t_bp->b_shadow) {
868 	for (t_bp = bp->b_shadow; t_bp; t_bp = t_bp->b_shadow) {
1812 	bp->b_shadow = 0;
2443 	for (bp_temp = bp_head; bp_temp && bp != bp_temp->b_shadow; bp_temp = bp_temp->b_shadow);
2448 	bp_temp->b_shadow = bp_temp->b_shadow->b_shadow;
2457 		if ((bp_data = bp_head->b_shadow) == NULL)
2460 		for (bp_temp = bp_data; bp_temp; bp_temp = bp_temp->b_shadow)
2465 	if (bp_head->b_shadow_ref == 0 && bp_head->b_shadow)
2466 		panic("buf_relse_shadow: b_shadow != NULL && b_shadow_ref == 0  bp(%p)", bp);
2467 	if (bp_head->b_shadow_ref && bp_head->b_shadow == 0)
2468 		panic("buf_relse_shadow: b_shadow == NULL && b_shadow_ref != 0  bp(%p)", bp);