Re: Creating a >32bit blocks filesystem.

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On Wed, 09 May 2007 16:57:01 +0200
Valerie Clement <valerie.clement@xxxxxxxx> wrote:

> Jose R. Santos wrote:
> > I think this has more to do with the fact that I'm on a 32bit
> > architecture and there are still a couple places where blocks are
> > represented using "unsigned long".  I'm trying to get access to a 64bit
> > arch to confirm this.
> > 
> > -JRS
> > 
> Oh, I didn't catch that you use a 32-bit system.
> On 32-bit architectures, the page cache index size imposes a 16TB limit 
> on the filesystem size (with 4KB blocksize). So you need a 64-bit system 
> for your test.
>    Valérie

Thanks for the info.  Would the page cache limitation also restrict debugfs and dumpe2fs from reading information on a large filesystem?  Would a check need to be in place to limit the use of e2fsprog on 32bit architectures using large block devices.

-JRS
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