[Gllug] Help with block device drivers

[adr]

I am writing a block device driver (for Dreamcast flash fs - which is similar, 
though not the same as, DOS FAT).

My driver does the simple things like read raw data off the flash etc, but I 
want to mount the filesystem etc. (If anyone wants to see the code go to 
http://sourceforge.net/projects/linuxdc and look in the cvs under 
linux-sh-dc/fs).

The thing is, I cannot really find something that clearly explains things such 
as superblocks etc. The two books I have - the O'Reilly "Writing Linux Device 
Drivers" and "Understanding the Linux Kernel" either appear to ignore the 
subject or are very much focused on ext2.

Does anyone know of a good online resource that might explain these concepts 
in relatively clear terms? I have looked on google, but as usual, all you get 
is a 1001 messages from email lists which do little to clarify things....


Adrian

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