Re: How to get the size of the block device ???? (Important)

Richard B. Johnson (root@chaos.analogic.com)
Tue, 17 Dec 2002 09:36:26 -0500 (EST)


On Tue, 17 Dec 2002, [iso-8859-1] Sanjay Kumar wrote:

> Hi,
> I am Sanjay Kumar and wants to write my own file
> system on Linux. I have almost written the code.
> But,now i have a problem while writing the code
> for "mkfs" for my filesystem.
>
> Problem Summary : I need the size of the block device
> in bytes on which my file system will be created.
> Actually, there is a feild in the super block, needs
> the total no of blocks on the device while while
> creating the filesystem. So, Can you Plz. help me out
> of this problem.
>

You make an ioctl() function for your file-system that returns
the block-size that you selected when you designed the system.

Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.

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