how do i read a block

[Valdis.Kletnieks at vt.edu]

On Mon, 13 May 2013 13:35:54 +0530, shampavman said:
> Hi all,
>
> Supposing i create a file of size 10K, it will occupy 2 blocks (4K each).
> Now if i want to read only 1 block from it how can i do it?
>
> read(fd, buf, 4096) ;
> would this mean i would read the first block and all its contents?

This isn't a kernel question, it's a C 101 question.

But yes, if you only want to read the first 4K, you just read the first 4K.
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