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Thread: Ext4 Filesystem
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- Join Date
- Dec 2012
I'm not an expert on this topic, but this sounds very much like a question for one of the kernel mailing lists.
From what I've read though, sparse super block puts the block to each of the powers, so that would boil down to block group: 0, 1, 3, 5, 7, 9, 25, 27, 49, 81, etc ...
The articles covered Ext2 on this, but I think that by extension this pattern should also apply to ext4.
Now, as I haven't looked into file system implementations yet, I honestly wouldn't know what those flex_bg and meta_bg flags would do.