Method alloc

src/fs/bmapblk.rs:25–37

Allocate

(address: u32)

{
	// Allocate
	pub fn alloc(address: u32)
	{
		let mut blk = Blk::read(BMapBlk::blkidx(address));
		let bmap = blk.datamut();
		let i = BMapBlk::buffidx(address);

		if !bmap[i / 8].get_bit(i % 8)
		{
			bmap[i / 8].set_bit(i % 8, true);
			blk.write();
			crate::fs::sblk::alloc_count_up();
		}
	}

	// Block index
	fn blkidx(address: u32) -> u32