332 	unsigned	 read;		/* index for next read */  member
525 	unsigned long			read;  member
781 	size_t read;  in ring_buffer_nr_dirty_pages()  local
785 	read = local_read(&buffer->buffers[cpu]->pages_read);  in ring_buffer_nr_dirty_pages()
795 	if (cnt < read) {  in ring_buffer_nr_dirty_pages()
796 		WARN_ON_ONCE(read > cnt + 1);  in ring_buffer_nr_dirty_pages()
800 	return cnt - read;  in ring_buffer_nr_dirty_pages()
2251 			       cpu_buffer->reader_page->read);  in rb_reader_event()
3742 	if (reader->read != rb_page_commit(reader))  in rb_per_cpu_empty()
3920 		(local_read(&cpu_buffer->overrun) + cpu_buffer->read);  in rb_num_of_entries()
4074 	return cpu_buffer->read;  in ring_buffer_read_events_cpu()
4130 	iter->head = cpu_buffer->reader_page->read;  in rb_iter_reset()
4134 	iter->cache_read = cpu_buffer->read;  in rb_iter_reset()
4212 		 head_page->read == commit &&  in ring_buffer_iter_empty()
4304 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
4309 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
4392 	cpu_buffer->reader_page->read = 0;  in rb_get_reader_page()
4403 	if (reader && reader->read == 0)  in rb_get_reader_page()
4459 		cpu_buffer->read++;  in rb_advance_reader()
4464 	cpu_buffer->reader_page->read += length;  in rb_advance_reader()
4594 	if (unlikely(iter->cache_read != cpu_buffer->read ||  in rb_iter_peek()
4993 	page->read = 0;  in rb_clear_buffer_page()
5029 	cpu_buffer->read = 0;  in rb_reset_cpu()
5450 	unsigned int read;  in ring_buffer_read_page()  local
5481 	read = reader->read;  in ring_buffer_read_page()
5494 	if (read || (len < (commit - read)) ||  in ring_buffer_read_page()
5497 		unsigned int rpos = read;  in ring_buffer_read_page()
5508 		    (!read || (len < (commit - read)) ||  in ring_buffer_read_page()
5512 		if (len > (commit - read))  in ring_buffer_read_page()
5513 			len = (commit - read);  in ring_buffer_read_page()
5538 			rpos = reader->read;  in ring_buffer_read_page()
5554 		read = 0;  in ring_buffer_read_page()
5557 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
5566 		reader->read = 0;  in ring_buffer_read_page()
5577 	ret = read;  in ring_buffer_read_page()