nats 110 fs/f2fs/debug.c si->nats = NM_I(sbi)->nat_cnt; nats 419 fs/f2fs/debug.c si->dirty_nats, si->nats, si->dirty_sits, si->sits); nats 3276 fs/f2fs/f2fs.h int nats, dirty_nats, sits, dirty_sits;