Messages in this thread | | | Subject | Re: 1GB limit - new filesystem or ext3? | From | Andi Kleen <> | Date | 31 Mar 1998 09:49:48 +0200 |
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tytso@mit.edu writes:
> Date: Thu, 26 Mar 1998 22:10:33 +0000 (GMT) > From: Alistair Riddell <alistair@watsons.edin.sch.uk> > > Pardon me for being ignorant, but wouldn't it be possible to use unsigned > (i.e. 32-bit) variables instead of 31-bit? That would at least allow 4GB > files. Or is the extra bit/sign used for something? > > The lseek() interface uses the sign bit for being able to do negative > offsets from the current position of the file.
But the kernel internally uses absolute offsets [doesn't it?] - and for the user interface there is llseek().
-Andi
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