Re: VFS/ext2fs - large files on the Alpha (fails for 17GB+)

H. Peter Anvin (hpa@transmeta.com)
Wed, 19 Aug 1998 01:50:33 -0700 (PDT)

>
> Oh, its a 2.3.x issue no doubt about it.
>
> There are many complexities with very large files, e.g. >>2gb,
> especially when you consider mmap, etc.
>
> But, it seems there might be a simpler `half-way' case which won't
> require lots of vm reworking, for files between 2gb and the maximum
> size of userland, normally 3GB.
>

True, but is that enough of a difference that it pays for the
complexity?

>
> Even when/if we do support obscenely large files (e.g. 10GB) for
> Intel, we still will only ever be able to mmap a small part of them.
>

10 GB isn't "obscenely large", IMO... I'd reserve that for files in
the 200-300 GB range (larger than most filesystems.)

Perhaps I'm just spoiled; none of the systems I use regularly has less
than 11 GB of disk...

-hpa

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