sys/kern/vfs_wapbl.c

1412  * wapbl_advance(size, off, oldoff, delta)
1414  *	Given a byte offset oldoff into a circular queue of size bytes
1415  *	starting at off, return a new byte offset oldoff + delta into
1419 wapbl_advance(size_t size, size_t off, off_t oldoff, size_t delta)
1425 	KASSERT((oldoff == 0) || ((size_t)oldoff >= off));
1426 	KASSERT(oldoff < (off_t)(size + off));
1428 	if ((oldoff == 0) && (delta != 0))
1430 	else if ((oldoff + delta) < (size + off))
1431 		newoff = oldoff + delta;
1433 		newoff = (oldoff + delta) - size;
1436 	KASSERT((delta != 0) || (newoff == oldoff));
1438 	KASSERT((delta != (size)) || (newoff == oldoff));
3146 wapbl_replay_process_inodes(struct wapbl_replay *wr, off_t oldoff, off_t newoff)
3160 		wr->wr_inodestail = oldoff;