Creating mkfs for my custom filesystem

[Sankar P]

On Fri, Mar 29, 2013 at 3:56 PM, Pranay Srivastava <pranjas at gmail.com> wrote:
> ---------- Forwarded message ----------
> From: Pranay Srivastava <pranjas at gmail.com>
> Date: Fri, 29 Mar 2013 15:53:21 +0530
> Subject: Re: Creating mkfs for my custom filesystem
> To: Sankar P <sankar.curiosity at gmail.com>
>
>
>
> On 3/29/13, Sankar P <sankar.curiosity at gmail.com> wrote:
>> Hi,
>>
>> I am trying to write a simple filesystem to learn the basics of it.
>>
>> I have decided on a simple layout for my filesystem where the first
>> block will be the super block and   will contain the version
>> information etc. The second block will contain the list of inodes.
>> Third block onwards will be data blocks. Each file can grow only up to
>> a single block size. Thrid block will represent the first file, fourth
>> block for the second file and so on. Directories will not be
>> supported.
>>
>> Now I want to create a mkfs for my filesystem as mentioned above. But
>> I am not able to find out how to do the mkfs for my filesystem such
>> that the generic mkfs utility will understand my filesystem. What APIs
>> should I be using ?
>>
>> Any help is appreciated. Thanks.
>>
>> --
>> Sankar P
>> http://psankar.blogspot.com
>>
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>>
>
> Hi Sankar,
>
> I started with something like that. Although I wrote just a bit more
> complex but it really is quite simple. If you want you can use this
> and I'll also like to contribute to it.
>
> https://github.com/pranjas/psfs.git
>
> Checkout psfs.h and psfs-format.c for complete details. Let me know if
> you need any help.
>

Thank you.

Yours seems a bit complex with support for extents etc. I am planning
to start as simple as it could be. However, I believe your code will
help me to find the right APIs I need. I will let you know once I
publish my code. Your code should be very helpful to me. Thanks.


--
Sankar P
http://psankar.blogspot.com