Re: Developing a filesystem

[Pekka Enberg <penberg@gmail.com>]

On 7/8/05, Guillermo López Alejos <glalejos@gmail.com> wrote:
> Hi,
> 
> As I anounced a couple of weeks ago, I'm studying how to build a new
> filesystem. I have taken a look at the ramfs and also read some
> documentation about.
> 
> Now I'm writing my own dummyfs (based on ramfs) to know how this
> works, but I'm having problems compiling it; I need to include the
> "linux/fs.h" header file to have access to some structures definitions
> (such as struct file_system_type), but this is giving me some errors.
> So I think that I have to integrate my code with the kernel sources to
> make it compile.
> 
> Therefore, my question is, is there any way to check wheter my code
> compiles or not without having to integrate it with the kernel code?
> If not, is there any tutorial to learn how to integrate a filesystem
> into the Linux kernel code?

1. Example Makefile for an out-of-tree filesystem: 

http://cvs.sourceforge.net/viewcvs.py/v9fs/linux-9p/Makefile?rev=2.0&view=auto

2. Putting it into the kernel:

cat fs/ramfs/Makefile
grep -i ramfs fs/Kconfig

                              Pekka
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