how to write a block driver

[Carlos A. M. dos Santos]

2009/6/10 cooper <bo.coopci at i-waihui.com>:
> There are a lot of examples about how to write a charactor device, I
> didn't find one about block device( or in moden word, a disk device? )
> Is there a tutorial about it?

There are no block devices in FreeBSD since a long time ago:

http://www.freebsd.org/doc/en/books/arch-handbook/driverbasics-block.html


-- 
My preferred quotation of Robert Louis Stevenson is "You cannot
make an omelette without breaking eggs". Not because I like the
omelettes, but because I like the sound of eggs being broken.