Messages in this thread | | | Date | Wed, 25 Feb 1998 14:46:27 -0500 | From | "Theodore Y. Ts'o" <> | Subject | Re: VFS 64-bit clean |
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From: Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> Date: Wed, 25 Feb 1998 13:16:13 +0100 (MET)
The following patch adds support for large files on EXT2 on 64bit machines. Once the kernel will be able to handle large files on 32bit machines, this can be easily changed.
Before this patch goes into the mainline kernel, we're going to need add some feature bits to the superblock so that the kernel can distinguish filesystems that have this functionality versus those that don't. We can also use this functionality to make e2fsprogs compile both on older and newer platforms.
I can try making the necessary changes to support large files, but I won't be able to test them. (Of the two Multias that various people had lent/given me, one baked itself because I didn't realize the vertical stand wasn't a good idea, it was absolutely necessary for thermal reasons, and the otherone had a surface mounted bypass capacitor clipped off the motherboard as I tried sliding it into the Overly Cleverly Designed case of the Multia (sigh, my fault), and any other kind of Alpha is Too Damn Expensive. Anybody have a spare Sparc 64 they're not using? :-)
In any case, let me take a quick look at the changes and try to come up with a new set of integrated kernel and e2fsprogs changes that will support large filesystems. Given my current lack of a 64-bit development system, someone else will need to test the changes, but given the enthusiasm of the people who wanted 64-bit support on linux-kernel, I'm assuming this won't be a problem. :-)
- Ted
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