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PFS Bitmap information

 
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gewgawkarl



Joined: 15 Dec 2006
Posts: 1

PostPosted: Fri Dec 15, 2006 12:02 pm    Post subject: PFS Bitmap information Reply with quote

After successfully traversing inodes and listing directories on the harddrive using utilities I created for windows, I'm at a point where I'd like to write files to the harddrive (ignoring Journaling).

I was hoping someone could point me in the right direction either to documented source code (undocumented even) that deals directly with the bitmap on a PFS partition so I have some idea of how to free or allocate blocks.

I have the code from ps2fs, but I'm having a little bit of difficulty understanding it. I was under the impression that the bitmap would simply be a linear bit representation of the 8k clusters on a partition, but from where my root inode starts it doesn't look like that's possible. Anyway, any clarification would be appreciated.
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