2470 	if (buf->dtb_offset == 0) {  in dtrace_aggregate()
2598 	offs = buf->dtb_offset;  in dtrace_aggregate()
2618 	buf->dtb_offset = offs + fsize;  in dtrace_aggregate()
2764 			ASSERT(src->dtb_offset == 0);  in dtrace_speculation_commit()
2779 			if (src->dtb_offset != 0) {  in dtrace_speculation_commit()
2800 	if ((offs = dtrace_buffer_reserve(dest, src->dtb_offset,  in dtrace_speculation_commit()
2815 	slimit = saddr + src->dtb_offset;  in dtrace_speculation_commit()
2843 	dlimit = daddr + src->dtb_offset;  in dtrace_speculation_commit()
2865 	dest->dtb_offset = offs + src->dtb_offset;  in dtrace_speculation_commit()
2880 	src->dtb_offset = 0;  in dtrace_speculation_commit()
2926 			if (buf->dtb_offset != 0) {  in dtrace_speculation_discard()
2939 	buf->dtb_offset = 0;  in dtrace_speculation_discard()
2973 			src->dtb_offset = 0;  in dtrace_speculation_clean_here()
2980 		if (src->dtb_offset == 0)  in dtrace_speculation_clean_here()
3082 			ASSERT(buf->dtb_offset == 0);  in dtrace_speculation_buffer()
3094 			if (buf->dtb_offset != 0)  in dtrace_speculation_buffer()
7334 					buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
7516 			buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
11570 	buf->dtb_xamot_offset = buf->dtb_offset;  in dtrace_buffer_switch()
11573 	buf->dtb_offset = 0;  in dtrace_buffer_switch()
11652 		buf->dtb_offset = 0;  in dtrace_buffer_alloc()
11721 	intptr_t offs = buf->dtb_offset, soffs;  in dtrace_buffer_reserve()
11893 					buf->dtb_offset = 0;  in dtrace_buffer_reserve()
11984 	if (buf->dtb_offset < buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
11985 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
11986 		    buf->dtb_xamot_offset - buf->dtb_offset);  in dtrace_buffer_polish()
11989 	if (buf->dtb_offset > buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
11990 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
11991 		    buf->dtb_size - buf->dtb_offset);  in dtrace_buffer_polish()
12016 		if (!buf->dtb_switched && buf->dtb_offset != 0)  in dtrace_buffer_consumed()
16984 			size_t sz = buf->dtb_offset;  in dtrace_ioctl()