2304 	if (buf->dtb_offset == 0) {  in dtrace_aggregate()
2432 	offs = buf->dtb_offset;  in dtrace_aggregate()
2452 	buf->dtb_offset = offs + fsize;  in dtrace_aggregate()
2598 			ASSERT(src->dtb_offset == 0);  in dtrace_speculation_commit()
2613 			if (src->dtb_offset != 0) {  in dtrace_speculation_commit()
2634 	if ((offs = dtrace_buffer_reserve(dest, src->dtb_offset,  in dtrace_speculation_commit()
2649 	slimit = saddr + src->dtb_offset;  in dtrace_speculation_commit()
2677 	dlimit = daddr + src->dtb_offset;  in dtrace_speculation_commit()
2699 	dest->dtb_offset = offs + src->dtb_offset;  in dtrace_speculation_commit()
2714 	src->dtb_offset = 0;  in dtrace_speculation_commit()
2760 			if (buf->dtb_offset != 0) {  in dtrace_speculation_discard()
2773 	buf->dtb_offset = 0;  in dtrace_speculation_discard()
2807 			src->dtb_offset = 0;  in dtrace_speculation_clean_here()
2814 		if (src->dtb_offset == 0)  in dtrace_speculation_clean_here()
2916 			ASSERT(buf->dtb_offset == 0);  in dtrace_speculation_buffer()
2928 			if (buf->dtb_offset != 0)  in dtrace_speculation_buffer()
7040 					buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
7222 			buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
11162 	buf->dtb_xamot_offset = buf->dtb_offset;  in dtrace_buffer_switch()
11165 	buf->dtb_offset = 0;  in dtrace_buffer_switch()
11244 		buf->dtb_offset = 0;  in dtrace_buffer_alloc()
11313 	intptr_t offs = buf->dtb_offset, soffs;  in dtrace_buffer_reserve()
11485 					buf->dtb_offset = 0;  in dtrace_buffer_reserve()
11576 	if (buf->dtb_offset < buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
11577 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
11578 		    buf->dtb_xamot_offset - buf->dtb_offset);  in dtrace_buffer_polish()
11581 	if (buf->dtb_offset > buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
11582 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
11583 		    buf->dtb_size - buf->dtb_offset);  in dtrace_buffer_polish()
11608 		if (!buf->dtb_switched && buf->dtb_offset != 0)  in dtrace_buffer_consumed()
16464 			size_t sz = buf->dtb_offset;  in dtrace_ioctl()