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SubjectRe: IDE locking problem
On Sun, Aug 03 2003, Lou Langholtz wrote:
> Benjamin Herrenschmidt wrote:
> >>The last step is bad - sooner or later the queue will be kfreed, and if
> >>there are bozos around that still have references, they would access
> >>random memory. It must be guaranteed that all references expired before
> >>the tear down begins. Just leaving a dead flag set is not sufficient.
> >>
> >>
> >Jens ? I see no refcounting of the queue,. . .
> >
> struct request_queue's kobj field perhaps?

Queue still needs dynamically allocated for this to work, and it isn't.
This is one of Al's projects, but he seems to be busy and/or away. It's
pretty straight forward but pretty massive change, wonder if Linus could
be talked into it...

Jens Axboe

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