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SubjectRe: mke2fs (and mkreiserfs) core dumps
On Mar 17, 2002  10:37 -0800, Mike Fedyk wrote:
> On Sun, Mar 17, 2002 at 12:26:53AM -0700, Andreas Dilger wrote:
> > Yes, I have always considered this a kernel bug (introduced in 2.4.10),
> > but my (admittedly feeble) attempts to get it fixed were not accepted.
> > At one point I thought a fix went into 2.4.18-pre[12] or so, but I
> > guess not. I haven't tried in a while, so maybe I should make another
> > attempt.
> >
>
> Was that part of the 2.4.10-pre11 -aa VM merge, or was it from another
> seperate patch?

Well, at the same time as Linus merged -aa VM, he also merged
blockdev-in-pagecache from -aa. This caused this problem, among others.
With blockdev-in-pagecache, the kernel thinks block device access is the
same as reading a file, so it imposes file limits. It also caused the
problem that the block device (pagecache) and the filesystem (buffer
cache) were not coherent, causing e2fsck, tune2fs, etc to not work.

Cheers, Andreas
--
Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto,
\ would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert

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