Lines Matching defs:undo
151 * zone 3 (z,o): undo/redo fifo - fixed zone-2 offset array in volume header
513 * and minimum of (64x8MB) = 512MB may be reserved. The size of the undo
527 * All undo structures are guaranteed to not cross a 16K filesystem
528 * buffer boundary. Most undo structures are fairly small. Data spaces
536 * Every undo record has a sequence number. This number is unrelated to
537 * transaction ids and instead collects the undo transactions associated
544 * In HAMMER version 4 the undo structure alignment is reduced from 16384
549 * undo sequence space without having to rely on information from the volume
550 * header. In addition, new REDO entries in the undo space are used to
683 struct hammer_fifo_undo undo;
792 * Array of zone-2 addresses for undo FIFO.
815 #define HAMMER_VOL_VERSION_FOUR 4 /* new undo/flush (2.5+) */