DT_2SECONDS_SHIFT  119 msdosfs/msdosfs_conv.c 		lastdtime = (((t / 2) % 30) << DT_2SECONDS_SHIFT)
DT_2SECONDS_SHIFT  199 msdosfs/msdosfs_conv.c 	seconds = ((dt & DT_2SECONDS_MASK) >> DT_2SECONDS_SHIFT) * 2