ckpt_map 1848 fs/f2fs/segment.c unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map; ckpt_map 1869 fs/f2fs/segment.c dmap[i] = force ? ~ckpt_map[i] & ~discard_map[i] : ckpt_map 1870 fs/f2fs/segment.c (cur_map[i] ^ ckpt_map[i]) & ckpt_map[i]; ckpt_map 2533 fs/f2fs/segment.c unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map; ckpt_map 2538 fs/f2fs/segment.c target_map[i] = ckpt_map[i] | cur_map[i];