drbd_epoch
struct drbd_epoch *epoch; /* for writes */
struct drbd_epoch *current_epoch;
connection->current_epoch = kzalloc_obj(struct drbd_epoch);
struct drbd_epoch *epoch,
struct drbd_epoch *next_epoch;
next_epoch = list_entry(epoch->list.next, struct drbd_epoch, list);
struct drbd_epoch *epoch;
epoch = kmalloc_obj(struct drbd_epoch, GFP_NOIO);
epoch = kmalloc_obj(struct drbd_epoch, GFP_NOIO);
static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *, struct drbd_epoch *, enum epoch_event);