Re: reading superblock

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On Tue, Sep 16, 2008 at 9:47 AM, ashish mahamuni <ashitpro@xxxxxxxxxxx> wrote:
> Hello Rohit,
>
> I hope you are doing this for getting hand on ext2/ext3 file systems.
> So what I'll suggest is try to read the on disk data structures and read the Super Block. That will really help you to understand some part of file systems instead relying on some existing functions.

Ya definitely Ashish,  have done my homework on this ;) .

I was just searching , if there are any functions in ext2 to read the
superblock.

> I've posted one article regarding reading super block you can look at that...
> http://bytes.com/forum/thread771405.html

Manish also suggested me this method that you have implemented in your
article, i have implemented this.
I am looking for kernel space implementation .Can you help me on that.
Manish has asked me to read the registered file systems and display
the superblock from there. Any other method in kernel space??
>
> Regards,
> Ashish
>
>
> --- On Mon, 15/9/08, Rohit Sharma <imreckless@xxxxxxxxx> wrote:
>
>> From: Rohit Sharma <imreckless@xxxxxxxxx>
>> Subject: reading superblock
>> To: "Kernelnewbies" <kernelnewbies@xxxxxxxxxxxx>
>> Cc: "ext4" <linux-ext4@xxxxxxxxxxxxxxx>
>> Date: Monday, 15 September, 2008, 10:11 PM
>> I want to read ext2 superblock and display the structure.
>>
>> which function do i need to call for that.
>> is it ext2_get_sb() or ext2_fill_super() or both ??
>>
>> this is the function prototype:
>> static int ext2_fill_super(struct super_block *sb, void
>> *data, int silent)
>>
>> what are the parameters data and silent used for.
>>
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