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SubjectRe: nasty inode leak in 2.1.125? details


On Thu, 29 Oct 1998, Stephen C. Tweedie wrote:

> Hi,
>
> On Thu, 29 Oct 1998 10:18:23 +0000 (GMT), Chris Evans
> <chris@ferret.lmh.ox.ac.uk> said:
>
> > Hi,
>
> > I just found out a way to make filesystems unmountable in 2.1.125, perhaps
> > an inode or dentry leak.
>
> Have you managed to reproduce this? I've just tried exactly what you
> describe, on 2.1.125, and it worked perfectly. Any process which is
> cd'ed to that filesystem or has any open file there will block the
> unmount.

Stephen, I also did hit it. In 2.1.126. Couldn't reproduce it yet. I've
poked in /dev/kmem and it turned out that ->s_root->d_count was 2 without
any obvious holders. So it sounds like dentry leak. And no, I don't know
how I got there. _Not_ the way that Chris described, that's for sure.


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