bucket_blocks      80 fs/f2fs/dir.c  		bidx += dir_buckets(i, dir_level) * bucket_blocks(i);
bucket_blocks      81 fs/f2fs/dir.c  	bidx += idx * bucket_blocks(level);
bucket_blocks     269 fs/f2fs/dir.c  	nblock = bucket_blocks(level);
bucket_blocks     643 fs/f2fs/dir.c  	nblock = bucket_blocks(level);