305 	unsigned	 read;		/* index for next read */  member
489 	unsigned long			read;  member
828 	size_t read;  in ring_buffer_nr_dirty_pages()  local
832 	read = local_read(&buffer->buffers[cpu]->pages_read);  in ring_buffer_nr_dirty_pages()
842 	if (cnt < read) {  in ring_buffer_nr_dirty_pages()
843 		WARN_ON_ONCE(read > cnt + 1);  in ring_buffer_nr_dirty_pages()
847 	return cnt - read;  in ring_buffer_nr_dirty_pages()
1959 	cpu_buffer->read = 0;  in rb_remove_pages()
2331 			       cpu_buffer->reader_page->read);  in rb_reader_event()
3944 	if (reader->read != rb_page_commit(reader))  in rb_per_cpu_empty()
4128 		(local_read(&cpu_buffer->overrun) + cpu_buffer->read);  in rb_num_of_entries()
4282 	return cpu_buffer->read;  in ring_buffer_read_events_cpu()
4338 	iter->head = cpu_buffer->reader_page->read;  in rb_iter_reset()
4342 	iter->cache_read = cpu_buffer->read;  in rb_iter_reset()
4419 		 head_page->read == commit &&  in ring_buffer_iter_empty()
4567 	cpu_buffer->reader_page->read = 0;  in rb_swap_reader_page_ext()
4672 	cpu_buffer->reader_page->read = 0;  in rb_swap_reader_page()
4708 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
4714 		       cpu_buffer->reader_page->read > page_size))  in rb_get_reader_page()
4736 	if (reader && reader->read == 0)  in rb_get_reader_page()
4792 		cpu_buffer->read++;  in rb_advance_reader()
4797 	cpu_buffer->reader_page->read += length;  in rb_advance_reader()
4928 	if (unlikely(iter->cache_read != cpu_buffer->read ||  in rb_iter_peek()
5396 	page->read = 0;  in rb_clear_buffer_page()
5432 	cpu_buffer->read = 0;  in rb_reset_cpu()
5857 	unsigned int read;  in ring_buffer_read_page()  local
5888 	read = reader->read;  in ring_buffer_read_page()
5901 	if (read || (len < (commit - read)) ||  in ring_buffer_read_page()
5905 		unsigned int rpos = read;  in ring_buffer_read_page()
5916 		    (!read || (len < (commit - read)) ||  in ring_buffer_read_page()
5920 		if (len > (commit - read))  in ring_buffer_read_page()
5921 			len = (commit - read);  in ring_buffer_read_page()
5946 			rpos = reader->read;  in ring_buffer_read_page()
5962 		read = 0;  in ring_buffer_read_page()
5965 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
5974 		reader->read = 0;  in ring_buffer_read_page()
5985 	ret = read;  in ring_buffer_read_page()