Lines Matching defs:sequential
206 * It is mainly used to detect sequential file reading.
211 * detection of sequential file reading.
217 * In this state, prev_index is used to detect the resumption of sequential I/O.
237 * the next sequential page. Ahead window calculations are done only when it
242 * at the first sequential access.
466 int sequential;
476 sequential = (offset == ra->prev_index + 1);
492 * sequential access
494 if (sequential && ra->size == 0) {
520 if (!sequential) {
528 * If we get here we are doing sequential IO and this was not the first