get_ckpt_valid_blocks 401 fs/f2fs/gc.c get_ckpt_valid_blocks(sbi, segno) && get_ckpt_valid_blocks 842 fs/f2fs/segment.c ckpt_valid_blocks = get_ckpt_valid_blocks(sbi, segno); get_ckpt_valid_blocks 925 fs/f2fs/segment.c if (get_ckpt_valid_blocks(sbi, segno))