2583 	if (buf->dtb_offset == 0) {  in dtrace_aggregate()
2711 	offs = buf->dtb_offset;  in dtrace_aggregate()
2731 	buf->dtb_offset = offs + fsize;  in dtrace_aggregate()
2877 			ASSERT(src->dtb_offset == 0);  in dtrace_speculation_commit()
2892 			if (src->dtb_offset != 0) {  in dtrace_speculation_commit()
2913 	if ((offs = dtrace_buffer_reserve(dest, src->dtb_offset,  in dtrace_speculation_commit()
2928 	slimit = saddr + src->dtb_offset;  in dtrace_speculation_commit()
2957 	dlimit = daddr + src->dtb_offset;  in dtrace_speculation_commit()
2979 	dest->dtb_offset = offs + src->dtb_offset;  in dtrace_speculation_commit()
2995 	src->dtb_offset = 0;  in dtrace_speculation_commit()
3042 			if (buf->dtb_offset != 0) {  in dtrace_speculation_discard()
3055 	buf->dtb_offset = 0;  in dtrace_speculation_discard()
3089 			src->dtb_offset = 0;  in dtrace_speculation_clean_here()
3096 		if (src->dtb_offset == 0)  in dtrace_speculation_clean_here()
3200 			ASSERT(buf->dtb_offset == 0);  in dtrace_speculation_buffer()
3212 			if (buf->dtb_offset != 0)  in dtrace_speculation_buffer()
7567 					buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
7757 			buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
11985 	buf->dtb_xamot_offset = buf->dtb_offset;  in dtrace_buffer_switch()
11988 	buf->dtb_offset = 0;  in dtrace_buffer_switch()
12085 		buf->dtb_offset = 0;  in dtrace_buffer_alloc()
12157 	intptr_t offs = buf->dtb_offset, soffs;  in dtrace_buffer_reserve()
12347 					buf->dtb_offset = 0;  in dtrace_buffer_reserve()
12438 	if (buf->dtb_offset < buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
12439 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
12440 		    buf->dtb_xamot_offset - buf->dtb_offset);  in dtrace_buffer_polish()
12443 	if (buf->dtb_offset > buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
12444 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
12445 		    buf->dtb_size - buf->dtb_offset);  in dtrace_buffer_polish()
18394 			size_t sz = buf->dtb_offset;  in dtrace_ioctl()