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SubjectRe: Big Files Handling
Date
From
Jerome Etienne <jerome@psti.com> asks:
> On Friday, April 09, 1999 1:56 AM, Chris Wedgwood [SMTP:cw@ix.net.nz]
> wrote:
> > On Thu, Apr 08, 1999 at 10:22:23AM +0200, Sylwester Zelazko wrote:
> > >How big files kernel can handle ? Is there (in new kernels) still 2Gb
> > >size limit ?
> >
> > Assuming you mean ext2fs, 2GB-1 for 32-bit platforms, 2TB-1 for
> > 64-bit platforms...
>
> so 32bits plateforms doesnt use the same fs format than 64bits ones?
> you mean that a disc with a ext2fs formated on alpha cant be read on
> a x86 ?

The format could be(*) the same, but a few issues in the
e.g. page cache, and API/ABI prevent current 32-bit
linux systems to exceed 2GB file size.

For further reading, see my patches for this at:
ftp://mea.tmt.tele.fi/linux/LFS/

/Matti Aarnio <matti.aarnio@sonera.fi>

(*) The format is basically the same, however EXT2 code isn't currently
quite clean to handle large file sizes at 32-bit machines.
In theory it is just a matter of using 'long long' variables,
but it isn't quite that simple...

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