2582 	if (buf->dtb_offset == 0) {  in dtrace_aggregate()
2710 	offs = buf->dtb_offset;  in dtrace_aggregate()
2730 	buf->dtb_offset = offs + fsize;  in dtrace_aggregate()
2876 			ASSERT(src->dtb_offset == 0);  in dtrace_speculation_commit()
2891 			if (src->dtb_offset != 0) {  in dtrace_speculation_commit()
2912 	if ((offs = dtrace_buffer_reserve(dest, src->dtb_offset,  in dtrace_speculation_commit()
2927 	slimit = saddr + src->dtb_offset;  in dtrace_speculation_commit()
2956 	dlimit = daddr + src->dtb_offset;  in dtrace_speculation_commit()
2978 	dest->dtb_offset = offs + src->dtb_offset;  in dtrace_speculation_commit()
2994 	src->dtb_offset = 0;  in dtrace_speculation_commit()
3041 			if (buf->dtb_offset != 0) {  in dtrace_speculation_discard()
3054 	buf->dtb_offset = 0;  in dtrace_speculation_discard()
3088 			src->dtb_offset = 0;  in dtrace_speculation_clean_here()
3095 		if (src->dtb_offset == 0)  in dtrace_speculation_clean_here()
3199 			ASSERT(buf->dtb_offset == 0);  in dtrace_speculation_buffer()
3211 			if (buf->dtb_offset != 0)  in dtrace_speculation_buffer()
7566 					buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
7756 			buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
11984 	buf->dtb_xamot_offset = buf->dtb_offset;  in dtrace_buffer_switch()
11987 	buf->dtb_offset = 0;  in dtrace_buffer_switch()
12084 		buf->dtb_offset = 0;  in dtrace_buffer_alloc()
12156 	intptr_t offs = buf->dtb_offset, soffs;  in dtrace_buffer_reserve()
12346 					buf->dtb_offset = 0;  in dtrace_buffer_reserve()
12437 	if (buf->dtb_offset < buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
12438 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
12439 		    buf->dtb_xamot_offset - buf->dtb_offset);  in dtrace_buffer_polish()
12442 	if (buf->dtb_offset > buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
12443 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
12444 		    buf->dtb_size - buf->dtb_offset);  in dtrace_buffer_polish()
18393 			size_t sz = buf->dtb_offset;  in dtrace_ioctl()