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From: Theodore Ts'o <tytso@mit.edu>
To: Felipe Monteiro de Carvalho <felipemonteiro.carvalho@gmail.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: Beginner questions about ext4
Date: Mon, 1 Jul 2013 12:55:24 -0400	[thread overview]
Message-ID: <20130701165524.GB23896@thunk.org> (raw)
In-Reply-To: <CACyNnZNQ00D=hKHZ_wvfwJx3CWt7iELrbgUf_41AzzSAJmxGUw@mail.gmail.com>

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@mit.edu> 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

  reply	other threads:[~2013-07-01 16:55 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-12 12:20 Beginner questions about ext4 Felipe Monteiro de Carvalho
2013-06-23  6:29 ` Felipe Monteiro de Carvalho
2013-06-23 11:59   ` Theodore Ts'o
2013-07-01 15:23     ` Felipe Monteiro de Carvalho
2013-07-01 16:55       ` Theodore Ts'o [this message]
2013-07-10 16:13         ` Felipe Monteiro de Carvalho
2013-07-10 17:24           ` Theodore Ts'o
2013-07-11  7:37             ` Felipe Monteiro de Carvalho
2013-07-11 15:23               ` Theodore Ts'o
2013-07-15 10:20     ` Felipe Monteiro de Carvalho
2013-07-15 13:43       ` Theodore Ts'o
2013-07-15 16:09         ` Felipe Monteiro de Carvalho
2013-07-15 16:37           ` Theodore Ts'o
2013-07-15 17:55             ` Felipe Monteiro de Carvalho
2013-07-15 18:10               ` Theodore Ts'o
2013-07-15 18:18                 ` Felipe Monteiro de Carvalho
2013-07-15 18:59                   ` Theodore Ts'o
2013-07-16  6:14                     ` Felipe Monteiro de Carvalho

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