Re: Beginner questions about ext4

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On Mon, Jul 01, 2013 at 05:23:13PM +0200, Felipe Monteiro de Carvalho wrote:
> On Sun, Jun 23, 2013 at 1:59 PM, Theodore Ts'o <tytso@xxxxxxx> wrote:
> > Historically, before flex_bg, the allocation bitmaps and inode tables
> > for a particular block group had to be located within that block
> > group, per the image that you've referenced above.
> 
> Thanks, but I'm still not sure: Are all groups flexible groups when
> FLEX_BG feature is activated?

I'm not sure whant you mean by "flexible groups".  There is no such
concept.

> If not, I wonder how a reader will recognize which groups were merged ...

And block groups don't get merged.

You should think of a flex block group as a collection of block
groups.  (Just as a number of provinces make up country, or a
collection of towns make up a county, and a number of counties make up
a province.)

	       	    	      		- Ted
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