Re: [PATCH] ext4: explain encoding of 34-bit a,c,mtime values
From: Darrick J. Wong
Date: Wed Jan 22 2014 - 01:23:48 EST
On Mon, Nov 11, 2013 at 07:30:18PM -0500, Theodore Ts'o wrote:
> On Sun, Nov 10, 2013 at 02:56:54AM -0500, David Turner wrote:
> > b. Use Andreas's encoding, which is incompatible with pre-1970 files
> > written on 64-bit systems.
> > I don't care about currently-existing post-2038 files, because I believe
> > that nobody has a valid reason to have such files. However, I do
> > believe that pre-1970 files are probably important to someone.
> > Despite this, I prefer option (b), because I think the simplicity is
> > valuable, and because I hate to give up date ranges (even ones that I
> > think we'll "never" need). Option (b) is not actually lossy, because we
> > could correct pre-1970 files with e2fsck; under Andreas's encoding,
> > their dates would be in the far future (and thus cannot be legitimate).
> > Would a patch that does (b) be accepted? I would accompany it with a
> > patch to e2fsck (which I assume would also go to the ext4 developers
> > mailing list?).
> I agree, I think this is the best way to go. I'm going to drop your
> earlier patch, and wait for an updated patch from you. It may miss
> this merge window, but as Andreas has pointed out, we still have a few
> years to get this right. :-)
Just out of curiosity, did this (updated patch) ever happen?
> - Ted
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