linux and rawdisk...

Miquel van Smoorenburg list-inn-workers at news.cistron.nl
Wed Nov 3 22:37:48 UTC 1999


In article <cistron.19991103225115.E2235 at wonderland.linux.it>,
Marco d'Itri <md at linux.it> wrote:
>On Nov 03, Dan Merillat <harik at chaos.ao.net> wrote:
>
> >Is this possible?  How ugly is it to do in other OSes?
>There is a kernel module written by the admin of cistron.nl for making a
>big file out of a whole disk partition.
>That will allow you to use mmap

Yes

>and cycbuffs > 2 GB.

But no, that's not possible. The VFS interface and the pagecache
of Linux is limited to 2GB max. No way around it.

It looks like Linus is integrating the LFS (Large File System) patches
into 2.3 though, so perhaps there is hope for 2.4 yet.

Mike.
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