INODES_PER_BITMAP 317 fs/btrfs/inode-map.c max_bitmaps = ALIGN(max_ino, INODES_PER_BITMAP) / INODES_PER_BITMAP; INODES_PER_BITMAP 335 fs/btrfs/inode-map.c info->bytes > INODES_PER_BITMAP / 10)